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Ankle/Foot/Calf (24 e-Posters)
ePoster #101	Endoscopic Resection of Different Types of Talocalcaneal Coalition Wael Aldahshan, Prof. EGYPT
ePoster #103	Endoscopic Treatment for Chronic Achilles Tendon Rupture on High-Demand Patients Nuno Corte-Real, MD PORTUGAL
ePoster #105	Hybrid Treatment for Hallux Rigidus Alberto Cuellar-Avaroma, MD MEXICO
ePoster #106	Return to Play After Acute Isolated Unstable Syndesmosis Injuries in Professional Football Players Pieter D'Hooghe, MD PhD QATAR
ePoster #107	Comparative Bio-Mechanical Study of Acute Tendon of Achilles Repair between Krackow and Uchiyama Technique in an Ex Vivo Porcine Model Mary Rose Casas Gonzales, MD PHILIPPINES
ePoster #108	Investigation of the Factors to Affect the Duration to Return Sports After the Surgery of Anterior Talofibular Ligament Repair with Arthroscopy Mitsuru Hanada, MD, PhD JAPAN
ePoster #109	Ultrasonographic Evaluation of the Healing Process of Acute Achilles Tendon Rupture: Comparison between Operative versus Non-Operative Treatment Kunihiko Hiramatsu, MD, PhD JAPAN
ePoster #110	All-Inside Arthroscopic Lateral Ankle Ligament Repair with Accelerated Rehabilitation Achieved Earlier Return to Sports Compared to Open Procedures Mai Katakura, MD, PhD JAPAN
ePoster #111	What Is the Role of Deltoid Ligament Repair in Ankle Fractures?: A Systematic Review Moin Khan, MD, MSc, FRCSC CANADA
ePoster #112	Time to Stability After Landing as a New Method of Predicting Ankle Sprain? Malgorzata Kowalczyk, MSc POLAND
ePoster #113	Osteochondral Lesions of the Talus: Alterations in Ankle Joint Contact Mechanics with Increasing Size of OLT Shoulder Lesion Peter J. Lawson, BA UNITED STATES
ePoster #114	Decrease of Vestibular System in Chronic Ankle Instability Patients Hong-Yun Li, PhD CHINA
ePoster #115	The Long-Term Effect of High Volume Image-Guided Injection in the Chronic Non-Insertional Achilles Tendinopathy: A Prospective Case Series Martin Lind, MD, PhD, Prof. DENMARK
ePoster #116	No Positive Effects of Running with Sports Compression Socks on Leg Muscle Oxygen Saturation or Muscle Injury Biomarkers Sophia Lindorsson, MD SWEDEN
ePoster #117	Shock Wave Therapy Associated to Eccentric Strengthening for Achilles Insertional Tendinopathy: A Prospective Study Nacime Salomao Barbachan Mansur, MD, PhD UNITED STATES
ePoster #122	Arthroscopic Treatment for Anterolateral Ankle Impingement: A Systematic Review – Is This Micro Instability? Haruki Odagiri, MD JAPAN
ePoster #124	Hybrid Fixation Restores Tibiofibular Kinematics for Early Weightbearing After Syndesmotic Injury Neel K. Patel, MD UNITED STATES
ePoster #125	Surgical Fixation of Grade II Syndesmosis Injuries May Be Beneficial for Early Weightbearing: A Cadaveric Robotic Study Neel K. Patel, MD UNITED STATES
ePoster #126	Comparison of Outcomes of Osteochondral Transplantation with Autografts and Allografts for Osteochondral Lesions of the Talus Yoshiharu Shimozono, MD JAPAN
ePoster #127	Knee Donor-Site Morbidity Following Autologous Osteochondral Transplantation for Osteochondral Lesions of the Talus: A Systematic Review and Meta-Analysis Yoshiharu Shimozono, MD JAPAN
ePoster #128	Clinical Results of Extracorporeal Shock Wave Therapy for Medial Malleolar Stress Fracture in Elite Athletes Nobuhiko Sumiyoshi, MD JAPAN
ePoster #129	Clinical Outcomes of Arthroscopic Transmalleolar Fixation Using Cortical Bone Pegs Combined with Retrograde Autologous Cancellous Bone Grafting for Chronic Osteochondral Lesion of the Talus Kenji Takahashi, MD, PhD JAPAN
ePoster #130	Outcomes of a Single Incision Technique to Treat Anterior and Posterior Leg Exertional Compartment Syndrome Stewart J. Walsh, FRACS NEW ZEALAND
ePoster #131	Supplementation of Vitamin D in NCAA Division I Football Athletes Alexander E. Weber, MD UNITED STATES

Basic science/Biologic repair (not articular cartilage) (4 e-Posters)
ePoster #201	How to Manage Bone Marrow Aspirate Concentrate to Treat Musculoskeletal Disorders: A Systematic Review of Literature Diego Costa Astur, MD, PhD BRAZIL
ePoster #202	Intra-Articular Injections of Expanded Mesenchymal Stem Cells with and without Addition of Platelet-Rich Plasma: A Randomized, Double-Blind and Controlled Clinical Trial Ricardo Bastos-Filho, MD, PhD, Prof. PORTUGAL
ePoster #203	Effect of Platelet-Rich Plasma and Hyaluronic Acid on the Synovial Inflammatory Response of Patients with Knee Osteoarthritis Luis A. O'Connell, MD CHILE
ePoster #204	Can Platelet-Rich Plasma (PRP) Volume Be Predictable?: Relationship between Hematological Profiles and PRP Volume Production Nuno Pais, MD, MSc, PhD student PORTUGAL

Cartilage (21 e-Posters)
ePoster #301	Mental Health Has No Predictive Association with Self-Assessed Knee Outcome Scores in Patients After Osteochondral Allograft Transplantation in the Knee Jakob Ackermann, MD SWITZERLAND
ePoster #302	Ex Vivo Modeling of Acute Cartilage Injury to Study the Mechanisms of Post-Traumatic Osteoarthritis Susanna Chubinskaya, PhD UNITED STATES
ePoster #303	Length of Symptoms and Smoking: Differences in Athletic and Non-Athletic Candidates for Cartilage Surgery David C. Flanigan, MD UNITED STATES
ePoster #304	Clinical Implementation of Autologous Chondrocyte Implantation in a Collagen Scaffold in Brazil: Series of the First Ten Cases Pedro N. Giglio, MD BRAZIL
ePoster #305	Combined Bone Marrow Aspirate and Platelet-Rich Plasma for Cartilage Repair Martin Lind, MD, PhD, Prof. DENMARK
ePoster #306	Mid-Term Follow-Up Results (Five Years) After Mesenchymal Stem Cells Implantation for Knee Cartilage Lesions Michail I. Iosifidis, MD, PhD GREECE
ePoster #307	Long-Term Results of Surgical Treatment of Knee Juvenile Osteochondritis Dissecans by Arthroscopic Fixation with Bioabsorbable Implants Michail I. Iosifidis, MD, PhD GREECE
ePoster #308	Early Load Bearing Improves Cartilage Repair in an In Vitro Model Mimicking Rehabilitation After Microfracture Surgery Tomoya Iseki, MD, PhD JAPAN
ePoster #309	Mid-Term Clinical Outcomes of Atelocollagen-Associated Autologous Chondrocyte Implantation for the Repair of Chondral Defects of the Knee Takuma Kaibara, MD JAPAN
ePoster #310	Clinical Results of a Novel 3D Fresh Cartilage Matrix for Focal Articular Cartilage Defects Vishal M. Mehta, MD UNITED STATES
ePoster #311	Evaluation of Early Degeneration of Cartilage in Patients with Anterior Cruciate Ligament Injury: Analysis Using Urine CTX-II Biomarker Alexandre P. Nicolini, MD, MSc BRAZIL
ePoster #312	Concentrations of Serum Cartilage Oligomeric Matrix Protein After Anterior Cruciate Ligament Injury: Comparing with MRI T2 Mapping Technique Yohei Nishida, MD JAPAN
ePoster #314	Performance of PROMIS in Knee Cartilage Restoration Alan Shamrock, MD UNITED STATES
ePoster #316	Implantation of Fresh Amniotic Membrane for the Treatment of Cartilage Defects Samuel Tabet, MD UNITED STATES
ePoster #317	Long-Term Results of Autologous Bone Marrow-Derived Stem Cell Implantation for Chondral Defects of the Knee Alex Q. A. Teo, MBBChir(Cantab) SINGAPORE
ePoster #318	Modern Osteochondral Allograft Transplantation: The "Gold Standard" for Femoral Condyle Cartilage Repair? Luís Eduardo P. Tírico, MD BRAZIL
ePoster #319	Improvement of Cartilage Repair with Biologically Regulated Bone Marrow Stimulation by Blocking Growth Factors in Rabbit Osteochondral Defect Model Hajime Utsunomiya, MD, PhD JAPAN
ePoster #320	A Systematic Review and Meta-Analysis of Oral Collagen Supplementation on Osteoarthritis Symptoms in Randomized Placebo-Controlled Clinical Trials Felix Vilchez-Cavazos, MD, PhD MEXICO
ePoster #321	Kappa Opioid Agonist Injections: A Novel Drug Treatment to Prevent the Progression of Knee Osteoarthritis Alexander E. Weber, MD UNITED STATES
ePoster #322	Arthroscopic Cartilage Lesion Debridement in the Human Knee in Preparation for Cartilage Repair: Morphologic Properties of Lesions Prepared by Standard Curette Technique Are Inferior to Lesions Prepared by Specialized Chondrectomy Instruments Graeme P. Whyte, MD, MSc, FRCSC UNITED STATES
ePoster #323	Long-Term Clinical Outcomes of One-Stage Cartilage Repair in the Knee Using Hyaluronic Acid-Based Scaffold Embedded with Mesenchymal Stem Cells Sourced from Bone Marrow Aspirate Concentrate Graeme P. Whyte, MD, MSc, FRCSC UNITED STATES

Education (3 e-Posters)
ePoster #401	Basic Knee Simulator Model Proves to Successfully Transfer Abilities Learned to Real-Patient Scenarios Sebastián Irarrázaval, MD CHILE
ePoster #402	Doctor Training© for Video Assisted Surgeries: The Paradox, the Gap, the App Santiago Lasa-Maeso, MD URUGUAY
ePoster #403	Use of a Custom Website by Orthopaedic Sports Medicine Surgical Patients: If You Build It, Will They Come? Sean J. Meredith, MD UNITED STATES

Elbow/Wrist/Hand (14 e-Posters)
ePoster #501	Osteochondral Coronoid Graft and Ligament Reconstruction in Recurrent Complex Elbow Instability Alessandro Marinelli, MD ITALY
ePoster #502	Treatment of Lateral Epicondylitis with Autologous Blood, Platelet-Rich Plasma, or Corticosteroid Injections: A Systematic Review of Overlapping Meta-Analyses Jonathan T. Bravman, MD UNITED STATES
ePoster #503	Increased Palmaris Longus Tendon Detection by Ultrasound, but Physical Exam Sufficient for Identification of Appropriate Graft Material Kevin X. Farley, BS UNITED STATES
ePoster #504	Epidemiology of Elbow Injuries in National Collegiate Athletic Association Athletes from 2009 to 2015 Jeff D. Hassebrock, MD UNITED STATES
ePoster #505	Two-Year Follow-Up Study of Subchondral Surface Irregularities of the Capitellum on Ultrasonography in Baseball Players Under the Age of 10 Years Toshiyuki Iwame, MD JAPAN
ePoster #506	Heterotopic Ossification After Total Elbow Arthroplasty: A Systematic Review Moin Khan, MD, MSc, FRCSC CANADA
ePoster #507	Elbow as a Sensing Organ: a Neuro-Anatomical Topography Study of Elbow Sensory Receptors Erica Kholinne, MD, PhD INDONESIA
ePoster #508	Elbow Injuries in National Collegiate Athletic Association Football Players: An Epidemiological Study Spanning Five Academic Years Justin Makovicka, MD UNITED STATES
ePoster #509	The Osseous Morphologic Change After the Mosaicplasty for the Advanced Osteochondritis Dissecans of the Humeral Capitellum with the Damaged Lateral Wall Kenichi Matsumura, MD JAPAN
ePoster #510	Analysis of Factors Influencing Arthroscopic Release of Elbow Joint Stiffness Chunqing Meng, Prof. CHINA
ePoster #511	Effect of Fatigue Protocols on Upper Extremity Neuromuscular Function and Implications for Ulnar Collateral Ligament Injury Prevention Kelechi R. Okoroha, MD UNITED STATES
ePoster #513	The Effect of Early Elbow Contracture Arthroscopic Release After Open Reduction and Internal Fixation with Olecranon Osteotomy of Intraarticular Fractures of the Distal Humerus Pawel Reichert, Prof POLAND
ePoster #514	Reconstruction of the Medial Collateral Ligament of the Elbow: Clinical Outcomes in Elite Weightlifters George D. Tsikouris, MD GREECE
ePoster #516	Does Pitching Experience During Elementary and Junior High School Increase the Risk of Shoulder and Elbow Injuries? Seiji Watanabe, MD JAPAN

Hip (59 e-Posters)
ePoster #601	Gluteus Maximus Contraction Velocity Assessed by Tensiomyography Improves Following Arthroscopic Treatment of Femoroacetabular Impingement. Pedro Alvarez-Diaz, MD, PhD, Prof. SPAIN
ePoster #602	Outcomes of Hip Arthroscopy Surgery in Under-16 Football Players Pedro Alvarez-Diaz, MD, PhD, Prof. SPAIN
ePoster #604	Immediate Weight Bearing After Hip Arthroscopy for Femoroacetabular Impingement Is Similar to Non-Weight Bearing Protocol: A Comparative Case Series Study with Minimum Two-Year Follow-Up Ehud Rath, Prof. ISRAEL
ePoster #605	Return to Sport After Surgical Management of Proximal Hamstring Ruptures: A Systematic Review and Meta-Analysis Olufemi R. Ayeni, MD, PhD, MSc, FRCSC CANADA
ePoster #606	Intraoperative Radiation Exposure in Hip Arthroscopy: A Systematic Review Olufemi R. Ayeni, MD, PhD, MSc, FRCSC CANADA
ePoster #607	What Makes Suture Anchor Use Safe in Hip Arthroscopy?: A Systematic Review of Techniques and Safety Profile Olufemi R. Ayeni, MD, PhD, MSc, FRCSC CANADA
ePoster #608	Functional Results of Hip Arthroscopy without Capsule Closure: Three Years of Follow-Up. Maximiliano Andres Barahona, MD, MSc CHILE
ePoster #609	Successful Arthroscopy for Pincer-Morphology: Two-Year Outcomes in Patients with Acetabular Overcoverage Compared with Matched Controls Matthew J. Brick, MBChB, FRACS NEW ZEALAND
ePoster #610	Effect of Pre-Surgery Patient-Reported Outcomes and Surgeon Experience on Reoperation and Total Hip Replacement Rates Following Hip Arthroscopy Matthew J. Brick, MBChB, FRACS NEW ZEALAND
ePoster #611	Arthroscopic Iliopsoas Tendon Release in Patients with Iliopsoas Tendinopathy Following Total Hip Arthroplasty: A Multicenter Arthroscopic Study of the Hip (MASH) Group Study Steven B. Cohen, MD UNITED STATES
ePoster #612	Mixed Reality Technology Assisted Navigation for Hip Arthroscopic Surgery Shuang Cong, MD CHINA
ePoster #613	Complete Capsular Repair Restores Native Kinematics Following Interportal and T-Capsulotomy Alan Getgood, MD, FRCS(Tr&Orth), DipSEM CANADA
ePoster #614	Anatomic Study of Injury Risk to the Posterior Femoral Cutaneous Nerve During Proximal Hamstring Repair James Dreese, MD UNITED STATES
ePoster #615	Acetabular Labral Tear Dimensions and Quantity of Suture Anchors Required for Arthroscopic Repair Guillaume D. Dumont, MD UNITED STATES
ePoster #616	Para-Acetabular Bony and Calcific Fragments in Patients with Femoroacetabular Impingement: A Retrospective Assessment of Prevalence and Characteristics Guillaume D. Dumont, MD UNITED STATES
ePoster #617	AIIS Morphologic Classification: Evaluation of the Accuracy of Plain Radiographs Guillaume D. Dumont, MD UNITED STATES
ePoster #618	A Novel Biomechanical Model for Hip Microinstability Leandro Ejnisman, MD, PhD BRAZIL
ePoster #619	Frozen Hip: An Uncommon, but Not Rare, Cause of Hip Pain Leandro Ejnisman, MD, PhD BRAZIL
ePoster #620	Clinical Outcomes of Arthroscopic Capsular Plication for Hip Microinstability with a Minimum Five-Year Follow-Up Leandro Ejnisman, MD, PhD BRAZIL
ePoster #621	Revision versus Primary Arthroscopic Release for External Snapping Hip: A One-Year Analysis of Outcomes in 189 Patients Heng'an Ge, PhD CHINA
ePoster #622	Water Polo Player’s Hip: An Analysis of Hip Range of Motion During the Egg-Beater Movement Kimberly Hall, MD UNITED STATES
ePoster #623	Health-Related Quality of Life After Hip Arthroscopy for Femoroacetabular Impingement: A Systematic Review and Meta-Analysis Jeffrey Kay, MD CANADA
ePoster #624	Hip Health among Retired National Basketball Association Athletes: A Survey Moin Khan, MD, MSc, FRCSC CANADA
ePoster #625	Radial Alpha Angle Using 3-Dimensional Magnetic Resonance Image for the Evaluation of Cam Morphology Naomi Kobayashi, MD, PhD JAPAN
ePoster #626	Effects of Hip Distraction without a Perineal Post on Venous Blood Flow and Peripheral Nerve Conduction During Hip Arthroscopy Matthew J. Kraeutler, MD UNITED STATES
ePoster #627	Return to Sport After Proximal Hamstring Tendon Repair: A Systematic Review Matthew J. Kraeutler, MD UNITED STATES
ePoster #628	Acetabular Chondral Flap Morphology During Hip Arthroscopy Correlates with Clinical Pathology: The Inside-Out and Outside-In Pathomechanism Matthew J. Kraeutler, MD UNITED STATES
ePoster #629	A Decade of Hip Injuries in NCAA Football Players: Epidemiological Study of NCAA Injury Surveillance System Data Justin Makovicka, MD UNITED STATES
ePoster #630	Arthroscopic Management of the Crossover Sign as a Function of Acetabular Coverage: Does Dysplasia Change Things? Dean K. Matsuda, MD UNITED STATES
ePoster #632	Hip Stiffness Score Has Correlations with Range of Motion and Muscle Power of Throwing Shoulder in Professional Baseball Pitchers Yutaka Mifune, MD, PhD JAPAN
ePoster #633	Predictors of Clinical Outcomes After Proximal Hamstring Repairs Karen Mohr, PT UNITED STATES
ePoster #634	A Sport Specific Biomechanical Analysis of the Epidemiology of Hip Injuries in NCAA Athletes from 2009 to 2014 Mary K. Mulcahey, MD UNITED STATES
ePoster #635	Comparison of Self-Renewal and Differentiation Potential for Synovial Mesenchymal Stem Cells between Non-Arthritis and Osteoarthritis in the Hip Joint Soshi Uchida, MD, PhD JAPAN
ePoster #636	Pigmented Villonodular Synovitis of the Hip Managed with Arthroscopic Synovectomy: An Analysis of 19 Cases with Up to 10-Year Follow-Up Mark R. Nazal, MPH UNITED STATES
ePoster #637	Long-Term Outcome Improvement of Pre-Collapsed Osteonecrosis of the Femoral Head with Arthroscopic Drilling Mark R. Nazal, MPH UNITED STATES
ePoster #639	Arthroscopic Release of Gluteal Muscle Contracture Provides Satisfactory Functional Outcomes Saroj Rai, MD, PhD UNITED ARAB EMIRATES
ePoster #640	Validation of a Hip Arthroscopy Simulator Using the Arthroscopic Surgery Skill Evaluation Tool (ASSET) Anil S. Ranawat, MD UNITED STATES
ePoster #641	Hip Capsule Biomechanics: The Effect of Capsulotomy and Repair on Resistive Capsular Torque Anil S. Ranawat, MD UNITED STATES
ePoster #642	Cellphone Administration of the Short Hip Osteoarthritis Outcome Score (HOOS-PS) and Pain Subscale (HOOS-PAIN) Using Text Messaging Robert W. Westermann, MD UNITED STATES
ePoster #643	Risk Factors for 30-Day Readmission Following Hip Arthroscopy Vehniah K. Tjong, MD, FRCSC UNITED STATES
ePoster #644	Is Body Mass Index a Risk Factor for Complications Following Arthroscopy of the Knee, Hip, and Shoulder? Vehniah K. Tjong, MD, FRCSC UNITED STATES
ePoster #645	Validating Patient-Reported Outcome Measures in Hip Arthroscopy Vehniah K. Tjong, MD, FRCSC UNITED STATES
ePoster #646	Rehabilitation Following Hip Arthroscopy: A Qualitative and Quantitative Assessment of the Effect of Physical Therapy Characteristics on Treatment Success Adrian Tudor, MD ISRAEL
ePoster #647	The Importance of Device Portal Selection to Minimize Iliofemoral Ligament Injury During Hip Arthroscopy: A Cadaveric Study Hajime Utsunomiya, MD, PhD JAPAN
ePoster #648	Arthroscopic Reconstruction of the Irreparable Acetabular Labrum: A Match-Controlled Study Rafael Walker, MD UNITED STATES
ePoster #649	Is Diabetes Mellitus a Negative Prognostic Factor for Patients Undergoing Hip Arthroscopy? A Matched-Controlled Study Rafael Walker, MD UNITED STATES
ePoster #650	Arthroscopic Treatment of Hip Labral Tears and Instability in Professional Dancers Rafael Walker, MD UNITED STATES
ePoster #651	The Education and Training of Future Hip Preservation Surgeons: Aggregate Recommendations of High-Volume Surgeons Rafael Walker, MD UNITED STATES
ePoster #652	Effect of Alcohol Consumption on Patient-Reported Outcomes in Hip Arthroscopy: A Matched-Pair Controlled Study with Minimum Two-Year Follow-Up Rafael Walker, MD UNITED STATES
ePoster #653	Do Larger Acetabular Chondral Defects Portend Inferior Outcomes in Patients Undergoing Arthroscopic Acetabular Microfracture?: A Matched-Controlled Study Rafael Walker, MD UNITED STATES
ePoster #654	Arthroscopic Capsular Plication in Patients with Labral Tears and Borderline Dysplasia of the Hip: Analysis of Risk Factors for Failure Rafael Walker, MD UNITED STATES
ePoster #655	Primary Hip Arthroscopy with Labral Reconstruction: Is There a Difference Between Autograft and Allograft? Rafael Walker, MD UNITED STATES
ePoster #656	Hip Arthroscopy in Patients Aged 50 Years or Older: Minimum Five-Year Outcomes and Risk Factors Associated with Conversion to Total Hip Arthroplasty Rafael Walker, MD UNITED STATES
ePoster #657	Factors Determining Safe Return to Driving After Hip Arthroscopy Alexander E. Weber, MD UNITED STATES
ePoster #658	Division I Collegiate Athletes Have a High Return-to-Sport Rate Following Hip Arthroscopy for Femoroacetabular Impingement Syndrome Alexander E. Weber, MD UNITED STATES
ePoster #659	Validation of a Novel Hip Arthroscopy Simulator Robert W. Westermann, MD UNITED STATES
ePoster #660	Chitin-Based Scaffolding with Microfracture versus Microfracture Alone for the Treatment of Acetabular Defects: Two Year Outcomes Ivan Wong, MD, FRCSC, MACM, Dip. Sports Med CANADA
ePoster #661	Diagnosis and Treatment of Extraarticular Lesion Using Ultrasound-Guided Injection to the Muscles Adjacent to Hip Capsule Takuma Yamasaki, MD, PhD JAPAN
ePoster #662	Functional Results and Outcomes After Repair of Partial Proximal Hamstring Avulsions at Mid-Term Follow-Up Elan J. Golan, MD UNITED STATES

Knee - ACL (132 e-Posters)
ePoster #702	Patellar Tendinopathy Increases the Risk of BTB Autograft Failure After ACL Reconstruction Eduard Alentorn-Geli, MD, PhD, MSc, FEBOT, FACGME SPAIN
ePoster #703	Effects of Autologous Adipose-Derived Regenerative Cells in the Healing and Function of Anterior Cruciate Ligament Reconstruction Eduard Alentorn-Geli, MD, PhD, MSc, FEBOT, FACGME SPAIN
ePoster #704	The Eyes Are Bigger than the Stomach: Post-Operative Opioid Consumption Is Affected by Number of Tablets Prescribed After ACL Reconstruction Albert T. Anastasio, BA UNITED STATES
ePoster #705	Clinical Outcomes After Revision Anterior Cruciate Ligament Reconstruction: Based on the Cause of Failure Daisuke Araki, MD, PhD JAPAN
ePoster #706	Core Performance Measures and Body Segment Kinematics Following Knee Joint Loading among Female Collegiate Athletes Matthew James Armistead, MS, ATC UNITED STATES
ePoster #707	The Influence of Preserving Infrapatellar Fatpad in ACL Reconstruction Kazuki Asai JAPAN
ePoster #708	Age-Related Change in Semitendinosus Muscle Tendon Graft Kazuki Asai JAPAN
ePoster #709	The Use of the Bi-Component Carboxymethylcelulos-Polysaccarid B in the Knee Joint During ACL Reconstruction Diego Costa Astur, MD, PhD BRAZIL
ePoster #710	Primary Tunnel Dilatation in Tibia: An Unrecognized Complication of ACL Reconstruction Prakash Ayyadurai, MS INDIA
ePoster #711	Impact of Surgical Timing on Clinical Outcome of Anatomic Double-Bundle Anterior Cruciate Ligament Reconstruction Rikiya Baba, MD, PhD UNITED STATES
ePoster #712	A Comprehensive Assessment of the Effect of Tibial Slope on Cruciate Ligament Reconstruction Grafts: Tibial Slope Matters Andrew S. Bernhardson, MD UNITED STATES
ePoster #713	Arthroscopic All-Inside Anterior Cruciate Ligament Reconstruction: Allograft versus Hamstring Autograft, a Randomized Controlled Pilot Study Gerwin A. Bernhardt, MD, MBA, FACS AUSTRIA
ePoster #714	Suture Augmented versus Standard Anterior Cruciate Ligament Reconstruction: A Matched Cohort Analysis Blake M. Bodendorfer, MD UNITED STATES
ePoster #715	ACL Reconstruction with and without an Additional Extra-Articular Anterolateral Reconstruction by the Monoloop Technique: A Retrospective Comparing Study Peter Bollars, MD BELGIUM
ePoster #716	Do Older Skiers Have Worse Outcomes Following Anterior Cruciate Ligament Reconstruction Compared to Non-Skiers or Younger Skiers? Jonathan T. Bravman, MD UNITED STATES
ePoster #717	Fixed- versus Adjustable-Loop Femoral Cortical Suspension Devices for Anterior Cruciate Ligament Reconstruction: A Systematic Review and Meta-Analysis of Biomechanical Studies Jonathan T. Bravman, MD UNITED STATES
ePoster #718	Primary Transosseous ACL Repair in Proximal Lesions Gian Luigi Canata, MD ITALY
ePoster #719	ACL Repair in Proximal Lesions versus ACL Reconstruction Gian Luigi Canata, MD ITALY
ePoster #720	Does Posterior Tibial Slope Affect Graft Rupture Following Anterior Cruciate Ligament Reconstruction? Sung-Do Cho, MD, PhD KOREA, REPUBLIC OF
ePoster #721	Management of Neglected ACL Avulsion Fractures: A Case Series and Systematic Review Devendra K. Chouhan, MS INDIA
ePoster #722	Can We Always Reproduce the Same Anatomical Femoral Tunnel Using Transportal Technique in Anterior Cruciate Ligament Reconstruction?: Variation of Femoral Tunnel Placement by Surgeon Jai-Hyun Chung, MD KOREA, REPUBLIC OF
ePoster #723	Is It Possible to Create an Anatomical Femoral Tunnel Using Transportal Technique and Modified Transtibial Technique in Anterior Cruciate Ligament Reconstruction?: Comparison of Femoral Tunnel Placement in Tranportal and Modified Trantibial Technique Jai-Hyun Chung, MD KOREA, REPUBLIC OF
ePoster #724	Knee-Related Quality of Life, Functional Results and Osteoarthritis at a Minimum of 20-Years Follow-Up After ACL Reconstruction Matias Costa-Paz, MD, PhD. ARGENTINA
ePoster #725	Factors Affecting the Achievement of Symmetrical Six-Month Isokinetic Muscle Strength and Single Leg Hop Test Performance: A Cohort Study of 4,093 Patients with Primary Anterior Cruciate Ligament Reconstruction Riccardo Cristiani, MD, PhD SWEDEN
ePoster #726	Paediatric Anterior Cruciate Ligament Repair with Internal Brace: Early Results John Dabis, MBBS, MSc SEM, MRCS, FRCS(Tr&Orth) UNITED KINGDOM
ePoster #727	No Difference between Intra-Tunnel and Extra-Tunnel All-Soft Tissue Quadriceps Tendon Autograft Fixation in Anterior Cruciate Ligament Reconstruction: A Systematic Review Darren L. de SA, MBA(c), MD FRCSC CANADA
ePoster #729	Long-Term Follow-Up of Children with Anterior Cruciate Ligament Injury Before Age 13 Guri R. Ekås, MD NORWAY
ePoster #730	Can Conventional X-Ray Imaging Predict for Anterior Cruciate Ligament Reconstruction Failure? Adham E. Elgeidi, MD EGYPT
ePoster #732	A Randomized Controlled Study of ACL Reconstruction with Semitendinosus or Semitendinosus and Gracilis Autograft: Functional Assessment Nine Months After Surgery Anne Gro Heyn Faleide, MSc NORWAY
ePoster #733	Clinical Outcomes of All-Soft Tissue Quadriceps Tendon Autograft in Anterior Cruciate Ligament Reconstruction Kevin X. Farley, BS UNITED STATES
ePoster #734	A Smartphone Application Improves Collection of Postoperative Pain, Function, and Opioid Consumption After Anterior Cruciate Ligament Reconstruction Kevin X. Farley, BS UNITED STATES
ePoster #735	Effect of Graft Position on Postural Balance After Anatomical Single-Bundle ACL Reconstruction in Athletes: A Clinical Trial Tiago Lazzaretti Fernandes, MD, PhD, MSc, Post-Doctorate BRAZIL
ePoster #736	The Unhappy Triad of the Knee Re-Revisited Andrea Ferretti, Prof. ITALY
ePoster #737	Revision Anterior Cruciate Ligament Reconstruction with Hamstrings and Extra-Articular Tenodesis: A Mid- to Long-Term Clinical and Radiological Study Andrea Ferretti, Prof. ITALY
ePoster #738	1.5 Tesla Magnetic Resonance Imaging Demonstrates a High Prevalence of Anterolateral Ligament Abnormalities in Acutely Anterior Cruciate Ligament Injured Knees: A Case-Control Series Comparing against the Contralateral Uninjured Knee from Santi Study Grou Andrea Ferretti, Prof. ITALY
ePoster #739	Vancomycin Presoaking of Hamstring Grafts Removes the Risk of Infection in Primary Anterior Cruciate Ligament Reconstruction Francisco Figueroa, MD CHILE
ePoster #740	Is There a Cost to Resident Education? An Analysis of the Effect of Resident Involvement in Anterior Cruciate Ligament Reconstruction: 8142 Cases in the NSQIP Brian Forsythe, MD UNITED STATES
ePoster #741	The Effect of Operative Time on Short-Term Adverse Events Following Isolated Anterior Cruciate Ligament Reconstruction Brian Forsythe, MD UNITED STATES
ePoster #742	Bicruciate Lesion Biomechanics – Treatment Using a Simultaneous Tensioning Protocol: ACL Fixation First is Better than PCL Fixation First to Restore Tibiofemoral Orientation Carlos E. S. Franciozi, MD, PhD, Prof. BRAZIL
ePoster #743	Bone-Patellar-Tendon-Bone Anterior Cruciate Ligament Reconstruction Does Not Cause Functional Anterior Knee Pain Brian M Godshaw, MD UNITED STATES
ePoster #744	Association between Graft Choice and Pre-Operative Measurement of Semitendinosus Tendon Using Ultrasonography. Kazumi Goto, MD JAPAN
ePoster #745	Clinical Decision Making in Partial Acl Tears Daniel Guenther, MD, PD GERMANY
ePoster #746	The Influence of Femoral Tunnel Length on Graft Rupture After Anterior Cruciate Ligament Reconstruction Luiz Gabriel B. Guglielmetti, MD, PhD BRAZIL
ePoster #748	Analysis of Factors Affecting the Surgical Time in Anterior Cruciate Ligament Reconstruction Using Decision Tree Analysis Kengo Harato, MD, PhD JAPAN
ePoster #749	Rotational Stability of the Knee Two Years After the ACL and Anterolateral Ligament Reconstruction Radek Hart, MD, PhD, FRCS, Prof. CZECH REPUBLIC
ePoster #750	Combined Reconstruction of the Anterolateral Ligament in Patients with Hypermobility and Knee Hyperextension with ACL Injuries Leads to Better Clinical Outcomes than Isolated ACL Reconstruction Camilo P. Helito, MD, PhD, Prof BRAZIL
ePoster #751	Adjustable Buttons for ACL Graft Cortical Fixation Partially Fail with Cyclic Loading and Unloading Mirco Herbort, MD, Prof. GERMANY
ePoster #752	Comparison of Different Knee Laxities in the Anterior Cruciate Ligament Injured Knees Based on Quantitative Evaluation of the Manual Tests Using an Electromagnetic Sensor Yuji Hiroshima, MD JAPAN
ePoster #753	Influences of Muscle Fatigue of Unilateral Lower Extremity on Jump-Landing Satoshi Imai, PT, MSc JAPAN
ePoster #754	The Effect of Supplemental Tibial Fixation in Anterior Cruciate Ligament Reconstruction: A Randomized Controlled Trial Eivind Inderhaug, MD, PhD, MPH NORWAY
ePoster #755	Does Isolated Hip Abductor Fatigue Lead to Biomechanical Changes of Trunk, Pelvis, and Lower Leg During Single-Leg Landing? Yu Iwama, MD JAPAN
ePoster #756	Return to Performance Following ACL Reconstruction in the Professional Footballer: A New Method of Assessment Neil Jain, BM, MRCS(Ed), FRCS(Tr&Orth) UNITED KINGDOM
ePoster #757	Return to Performance Following ACL Reconstruction: The Need for a Specific Method of Assessment for Elite Athletes Neil Jain, BM, MRCS(Ed), FRCS(Tr&Orth) UNITED KINGDOM
ePoster #758	Impaired Neuromuscular Control up to Postoperative One Year in Operated and Non-Operated Knees After Anterior Cruciate Ligament Reconstruction Ki-Mo Jang, MD, PhD, Prof. KOREA, REPUBLIC OF
ePoster #760	Does the Knee Kinematics During Static Lunge Predict Knee Ligament Injury Risk in Single-Leg Landing?: A Comparative Study among Three Different Toe Directions Kazuya Kaneda, MD JAPAN
ePoster #761	ACL Reconstruction with Short Hamstring Graft and Tape Locking Screw Fixation: Results at Two Years Adam M. Katchky, MD, MSc, BESc, FRCSC CANADA
ePoster #762	Comparison of Chronological Changes in Anterior Knee Stability After Anatomical Anterior Cruciate Ligament Reconstruction Using Bone-Patellar Tendon-Bone Graft and Hamstrings Graft Kohei Kawaguchi, MD JAPAN
ePoster #763	The Biomechanical Effect of ALL Reconstruction Augmented to ACL Reconstruction on ACL Deficient Knee with Gross Instability Yusuke Kawanishi JAPAN
ePoster #764	Outcomes of Anatomical Transphyseal Double-Bundle Anterior Cruciate Ligament Reconstruction in Skeletally Immature Adolescents with Open Physes Itaru Kawashima, MD JAPAN
ePoster #765	Use of a Femoral Offset Guide Provides Accurate and Precise Placement of Femoral Tunnel in Single-Bundle Anterior Cruciate Ligament Reconstruction: A Comparison between Expert and Novice Surgeons Man-Soo Kim, MD, PhD KOREA, REPUBLIC OF
ePoster #766	Prospective Comparative Study of Clinical, Arthroscopic, and Radiologic Results between the Transportal and Outside-In Techniques for Double-Bundle Anatomic Anterior Cruciate Ligament Reconstruction Jae-Gyoon Kim, MD, PhD, Prof. KOREA, REPUBLIC OF
ePoster #767	Does Cortical Non-Contact or Delayed Contact of an Adjustable-Loop Femoral Button Affect Knee Stability After Anterior Cruciate Ligament Reconstruction? Chulkyu Kim, MD KOREA, REPUBLIC OF
ePoster #768	When Should We Initiate Range of Motion Exercise After Anterior Cruciate Ligament Reconstruction with Outside-In Method Using Hamstring Autograft?: Early versus Delayed, a Randomized Controlled Trial Yoon-Seok Kim, MD KOREA, REPUBLIC OF
ePoster #769	Anterior Cruciate Ligament Reconstruction Using an All-Inside Short-Graft Technique versus a Conventional Hamstring Technique: A Prospective, Randomized Comparative Study with Two-Year Follow-Up Panagiotis Kouloumentas, MD GREECE
ePoster #770	Demographics and Clinical Outcomes of Patients Undergoing Anterior Cruciate Ligament Reconstruction with a Planned or Unplanned Hybrid Graft Matthew J. Kraeutler, MD UNITED STATES
ePoster #771	Knee Osteoarthritis After Single-Bundle versus Double-Bundle Anterior Cruciate Ligament Reconstruction: A Systematic Review of Randomized Controlled Trials Matthew J. Kraeutler, MD UNITED STATES
ePoster #772	Playing Performance Among Australian Football League Players Following Anterior Cruciate Ligament Reconstruction Courtney C. H. Lai, MBBS, BMedSc(Hons) AUSTRALIA
ePoster #773	In Vitro and in Vivo Performance of Tissue-Engineered Tendons for Anterior Cruciate Ligament Reconstruction Kwang Il Lee, PhD UNITED STATES
ePoster #774	ACL Reconstruction Using the DT4-TLS Technique; What Is the Impact of Interference Screw Type on Clinical Outcomes?: A Comparative Prospective Study in 521 Patients Edouard Lefèvre, MD FRANCE
ePoster #775	Accidental Contamination of ACL Graft: Analysis of Procedures and Possible Bacteriae Species Jedrzej Jerzy Lesman, PhD MD POLAND
ePoster #776	The Revision Using Imaging to Guide Staging and Evaluation (REVISE) of Tunnel Placement in ACL Reconstruction Classification Bryson P. Lesniak, MD UNITED STATES
ePoster #777	Concomittant Injury of the Anterolateral Extra-Articular Structures in Pediatric Patients with Anterior Cruciate Ligament Rupture Michael C. Liebensteiner, MD, PhD AUSTRIA
ePoster #778	Anterior Cruciate Ligament Reconstruction Patients Require Two Years for Recovery to Pre-Injury Functional Level: Comparing Knee Outcomes at One Year And Two Years After Post-Surgery Zhixue Lim, MBCHb SINGAPORE
ePoster #779	Quadricepstendon Grafts Reduce Donor Site Morbidity for Anterior Cruciate Ligament Reconstruction Compared to Hamstring Graft: A Prospective and Randomized Study Martin Lind, MD, PhD, Prof. DENMARK
ePoster #780	The Advantages of Attached Semitendinosus Tendon Graft Applied in Anterior Cruciate Ligament Reconstruction in a Rabbit Model Shaohua Liu, MD CHINA
ePoster #781	Comparison of Functional Outcomes between Autograft Bone Quadriceps Tendon (BQT) and Autograft Single-Bundle Hamstring Tendon (SBHT) in Reconstruction of Anterior Cruciate Ligament (ACL) Andri M. Lubis, MD, PhD INDONESIA
ePoster #782	Moderately Increased Anterior and Rotational Knee Laxity Does Not Impact Patient-Reported Knee Function Two Years Following ACL Reconstruction Robert A Magnussen, MD, MPH UNITED STATES
ePoster #783	Five-Strand Hamstring Autograft for Anterior Cruciate Ligament Reconstruction: A Systematic Review Eric C. McCarty, MD UNITED STATES
ePoster #784	Anterior Cruciate Ligament Reconstruction with or without a Lateral Extra-Articular Tenodesis: Functional Outcomes from the ISAKOS-Sponsored Stability Study Alan Getgood, MD, FRCS(Tr&Orth), DipSEM CANADA
ePoster #785	Optimizing the Hamstring Graft for Anterior Cruciate Ligament Reconstruction: A Biomechanical Comparison of a Novel Six-Stranded Graft versus the Quadrupled Hamstring Graft Mitchell Meghpara, MD UNITED STATES
ePoster #786	Four-Dimensional Computed Tomographic Analysis of Screw Home Movement in Patients with Anterior Cruciate Ligament Deficient Knee: A 3D-3D Registration Technique Yutaro Morishige, MD JAPAN
ePoster #787	High Number of ACL Injuries After the Summer Break in Non-Professional Pivoting Ball Sports Caroline Mouton, PhD LUXEMBOURG
ePoster #788	At the Time of the ACL Reconstruction, One Patient out of Three Presents with a Previously Undiagnosed Medial Ramp and/or Lateral Root Lesion Caroline Mouton, PhD LUXEMBOURG
ePoster #789	Over-the-Top ACL Reconstruction Restores Anterior and Rotatory Knee Laxity in Skeletally Immature Individuals and Revision Settings Kanto Nagai, MD, PhD JAPAN
ePoster #790	Incidence of Venous Thromboembolism After Arthroscopic Anterior Cruciate Ligament Reconstruction Masaki Nagashima, MD, PhD, Prof. JAPAN
ePoster #791	Clinical Outcomes of Double-Bundle Reconstruction versus Remnant-Preserving Single-Bundle Augmentation in Anterior Cruciate Ligament Reconstruction Atsuo Nakamae, MD, PhD JAPAN
ePoster #792	Results of Delayed ACL Reconstruction More Than Ten Years Following Initial Trauma Amirmohammad Navali, MD IRAN, ISLAMIC REPUBLIC OF
ePoster #793	Contribution of the Anterolateral Complex to Rotational Stability of the Knee: A Biomechanical Analysis Thomas Neri, MD, PhD, Prof. FRANCE
ePoster #794	Outcomes from One- to Two-Year Follow-Up Show No Clinically Relevant Change After ACL Reconstruction Joseph T. Nguyen, MPH UNITED STATES
ePoster #795	Knee Lateral Extra-Articular Tenodesis Decreases In-Situ Force in the Anterior Cruciate Ligament João V. Novaretti, MD, PhD BRAZIL
ePoster #796	Knee Extra-Articular Tenodesis Has Minimal Effect on Tibiofemoral Contact Pressures João V. Novaretti, MD, PhD BRAZIL
ePoster #797	Autologous Platelet Concentrate Effect over ACL Reconstruction in the Long-Term Luis A. O'Connell, MD CHILE
ePoster #798	Clinical Outcome of Anatomical Double-Bundle Anterior Cruciate Ligament Reconstruction Using Small Diameter Semitendinosus Tendon Autografts Yasunari Oniki, MD, PhD JAPAN
ePoster #799	Lateral Location of the Tibial Tunnel After Single Bundle Anterior Cruciate Ligament Reconstruction Decreases the Attachment Area of the Anterior Lateral Meniscus Root Takeshi Oshima, MD, PhD JAPAN
ePoster #800	Tibial Tunnel Evaluation in ACL Reconstruction with and without Remnant Preservation: Are We in the Correct Place? Vitor Barion Castro De Padua, MD BRAZIL
ePoster #801	Sex-Based Differences in the Outcomes of ACL Reconstruction with Quadriceps Tendon: Patellar Autograft in Adolescent Patients Harin B. Parikh, BS UNITED STATES
ePoster #802	The Development and Preliminary Evaluation of a Return to Sport Assessment After ACL Reconstruction David A. Parker, MBBS, BMedSc, FRACS AUSTRALIA
ePoster #803	Risk of Femoral Tunnels Collision Combining Anterior Cruciate Ligament Reconstruction and Anterolateral Tenodesis Simone Perelli, MD,PhD SPAIN
ePoster #804	The Use of the Central Transpatellar Tendon Portal during the Reconstruction of the Anterior Cruciate Ligament Does Not Lead to Clinical or Radiological Alterations Simone Perelli, MD,PhD SPAIN
ePoster #805	Allograft Augmentation of Hamstring Anterior Cruciate Ligament Autografts Is Associated with Increased Graft Failure in Children and Adolescents Crystal A. Perkins, MD UNITED STATES
ePoster #806	Effects of Vancomycin-Soaked Grafts in ACL Reconstruction: A Systematic Review and Meta-Analysis Thomas R. Pfeiffer, Prof. GERMANY
ePoster #807	Single-Bundle Transtibial Anterior Cruciate Ligament Reconstruction: Restoration of the Native Footprint - A Simple 3D CT Radiographic Evaluation Kevin D. Plancher, MD, MPH UNITED STATES
ePoster #808	Failure Rates and Functional Outcomes of Allograft and Autograft Bone-Patellar Tendon-Bone (BPTB) Anterior Cruciate Ligament Reconstruction in Patients <30 Years Old Kevin D. Plancher, MD, MPH UNITED STATES
ePoster #809	Septic Arthritis After Anterior Cruciate Ligament Reconstruction: How Important is Graft Salvage? Jonas Pogorzelski, MD, PhD, MHBA GERMANY
ePoster #810	Outcomes of Single Stage Revision ACL Reconstruction Using Autograft Abdelaleem Ragab, MBBCh, MCh, MRCS UNITED KINGDOM
ePoster #811	The Ability of Isolated and Combined ACL Reconstruction and/or Lateral Monoloop Tenodesis to Restore Intact Knee Laxity in the Presence of Isolated and Combined Injuries In-Vitro Joris Robberecht, MD BELGIUM
ePoster #812	Laxity and Compliance Monitoring After Primary Anterior Cruciate Ligament Reconstructions with Hamstring Tendons: A 47-Case Prospective Study Henri E. Robert, MD FRANCE
ePoster #813	Ligamentization of ACL Autografts in Children: One-Year Minimum Follow-Up with MRI Henri E. Robert, MD FRANCE
ePoster #814	Randomised Controlled Trial of Bioabsorbable and Titanium Screws in ACL Reconstruction with 13-Year Follow-Up Justin P. Roe, FRACS, A/Prof. AUSTRALIA
ePoster #815	PEEK versus Titanium Screws in Anterior Cruciate Reconstruction Using Hamstring Autograft: A Prospective Randomized Controlled Trial with Two-Year Follow-Up Justin P. Roe, FRACS, A/Prof. AUSTRALIA
ePoster #817	Preoperative Predictors of 16-Year Acceptable Knee Function and Osteoarthritis After Anterior Cruciate Ligament Reconstruction: An Analysis Based on 147 Patients from Two Randomized Controlled Trials Eric Hamrin Senorski, PT, PhD, MSc SWEDEN
ePoster #818	Any Differences in Outcomes of ACL Reconstruction in Acute ACL Injury Patients with or without Segond’s Fracture Jong-Keun Seon, MD, PhD, Prof KOREA, REPUBLIC OF
ePoster #819	The Anatomical Risk Factors of Anterior Cruciate Ligament Injury Lei Shen CHINA
ePoster #820	Clinical Outcome of Anatomic Double-Bundle Anterior Cruciate Ligament Reconstruction with Remnant Tissue Preservation: Comparison with Conventional Double-Bundle Procedure Using 272 Patients Junki Shiota, MD JAPAN
ePoster #821	Anterior Knee Pain in ACL Reconstruction with BTB Graft - Is It a Myth?: Comparative Outcome Analysis with Hamstring Graft in 1,250 Cases Arumugam Sivaraman, MS(Orth), AB(IM)(USA), FRCS(Glasg) INDIA
ePoster #822	Higher BMI Predicts Additional Surgery in the Setting of ACL Reconstruction Harris S. Slone, MD UNITED STATES
ePoster #823	ACL Revision After ACL Reconstruction with LARS Artificial Ligament: Our Experience After 39 Revisions Sebastian Sorger, MD AUSTRIA
ePoster #824	Evaluation of the Angle Between Femoral ACL Footprint’s Long Axis and Knee Bony Morphology Makoto Suruga, MD JAPAN
ePoster #825	Marked Increase in the Incidence of ACL Reconstructions in Young Females in the Last 16 Years (2000-2016) Kirsty Sutherland NEW ZEALAND
ePoster #826	Anterior Tibial Subluxation with ACL Deficient Knees Influences Knee Stability After ACL Reconstruction Ryota Takase, MD JAPAN
ePoster #827	Mid-Term Results of the Ligamys Dynamic Intraligamentary Stabilization (DIS): The Belgian Experience Thomas Tampere, MD BELGIUM
ePoster #828	A Qualitative Investigation for Symptomatic Patients After Anterior Cruciate Ligament Reconstruction Shozaburo Terai, MD, PhD GERMANY
ePoster #829	Predictive Factors for Conservative Treatment Failure When Treating Partial ACL Tears in Young Patients Mathieu Thaunat, MD FRANCE
ePoster #830	Infrapatellar Fat Pad Affects the Anterior Knee Pain at Six Months After the Anterior Cruciate Ligament Reconstruction with a Hamstring Autograft Kazu Toyooka, MD JAPAN
ePoster #831	Functional Hallux Limitus: A Predisposing Factor for ACL Injuries: Biomechanics and Treatments Jacques Vallotton, MD SWITZERLAND
ePoster #832	Less Knee Joint Awareness Following Arthroscopic Primary Repair vs. Reconstruction of the Anterior Cruciate Ligament Harmen D. Vermeijden, MD UNITED STATES
ePoster #833	Revision ACL Reconstruction After Primary Anatomic Double-Bundle ACL Reconstruction: A Case Series of 40 Knees Joon Ho Wang, MD, PhD KOREA, REPUBLIC OF
ePoster #834	The Effect of Pre-Operative Opioid Use on Outcome Scores and Post-Operative Opioid Use After ACL Reconstruction Robert W. Westermann, MD UNITED STATES
ePoster #836	The Correlation between Mid-Substance Cross-Sectional Area of the Anterior Cruciate Ligament and the Knee Osseous Morphology Yoshiyuki Yahagi, MD,PhD JAPAN
ePoster #837	Morphologic Examination of Quadriceps Tendon for Anterior Cruciate Ligament Reconstruction Using Living Knee Shinya Yamasaki, MD, PhD JAPAN
ePoster #838	Ten-Years Survival of the Anterior Cruciate Ligament Reconstruction with an ''Over-The-Top" plus Lateral-Plasty Technique: Analysis of 322 Consecutive Cases Stefano Zaffagnini, MD, Prof. ITALY
ePoster #839	Patients with Failed Anterior Cruciate Ligament Reconstruction Have an Increased Posterior Lateral Tibial Plateau Slope: A Case-Controlled Study Stefano Zaffagnini, MD, Prof. ITALY

Knee - Arthroplasty (70 e-Posters)
ePoster #901	Validation of the Oswestry Risk of Knee Arthroplasty Index (ORKA-1) for Patients Undergoing Autologous Chondrocyte Implantation Jakob Ackermann, MD SWITZERLAND
ePoster #902	A Feasibility Study Considering the Use of a New Medical Stretching Device (STAK Tool) in 19 Patients with Knee Arthrofibrosis, Following Total Knee Replacement, Being Considered for Manipulation Under Anaesthetic Sara Aspinall, BSc, MSc(R) UNITED KINGDOM
ePoster #903	Total or Partial Knee Replacement for Medial Osteoarthritis?: Five-Year Outcome from the TOPKAT Trial David J. Beard, MA, MSc, DPhil, FBOA(Hon) FRCS(Hon), Prof. UNITED KINGDOM
ePoster #904	Inter- and Intra-Observer Concordance of the Modified Kellgren and Lawrence Scale for Knee Osteoarthritis by Compartments in Patients of the University Hospital Fundación Santa Fe De Bogotá, Colombia Abelardo Camacho-Uribe, MD COLOMBIA
ePoster #905	Lower Limb Kinematics and Moments of Staged Bilateral Mechanical and Kinematic Aligned Total Knee Arthroplasty During Activities of Daily Living (Sit-to-Stand and Squatting) Seng-Jin Yeo, MBBS, FRCS SINGAPORE
ePoster #907	What Factors Predict Patient Dissatisfaction After Contemporary Revision Total Knee Arthroplasty? Keun Young Choi, MD KOREA, REPUBLIC OF
ePoster #909	Medial Unicompartmental Knee Arthroplasty with Lateral Meniscus Lesion in Preoperative MRI Jae-Hoon Chung, MD, PhD KOREA, REPUBLIC OF
ePoster #910	Knee Arthroplasty with Prior Ligamentous Knee Surgery: A Matched Case Control Study Steven B. Cohen, MD UNITED STATES
ePoster #911	Comparing Revision Rates and Costs of Robotic Assisted and Manual Unicompartmental Knee Arthroplasty Andrea B. Coppolecchia, MPH UNITED STATES
ePoster #912	Can We Predict Laxity in Robotic TKA Using Pre-Operative Force-Controlled Laxity Measurements? Jeffrey H. DeClaire, MD UNITED STATES
ePoster #913	The Extension Planning Angle in Gap-Balancing Total Knee Arthroplasty Influences Mid-Flexion Laxity Jeffrey H. DeClaire, MD UNITED STATES
ePoster #914	Tibial Tray Positioning, Coverage and Relationship to Short-Term Outcome following TKR David M. Dickison, MBBS(Hons), FRACS, FAOrthA AUSTRALIA
ePoster #915	Post-Operative Opioid Use, Hypotension, and Aberrant Laboratory Values Associated with Prolonged Length of Stay Following Total Knee Arthroplasty Kevin X. Farley, BS UNITED STATES
ePoster #916	The Economic Burden of Opioid Use Disorder in Patients Undergoing Total Joint Arthroplasty Kevin X. Farley, BS UNITED STATES
ePoster #917	Utility of Synovial Fluid Biomarkers in Diagnosing Periprosthetic Joint Infection: Disparities in Single Sample Synovial Fluid Sent to Separate Centers Kevin X. Farley, BS UNITED STATES
ePoster #918	A Comparison of Kinematic Alignment and Mechanical Alignment with Regards to Bony Resection and Soft Tissue Release in Total Knee Replacement Brett A. Fritsch, MBBS BSc(Med), FRACS, FAOrthA AUSTRALIA
ePoster #919	Three-Dimensional Gait Analysis Synchronized with Surface Electromyography After Total Knee Arthroplasty: Comparison between Prosthesis Designs for Normal Knee Function and Conventional Total Knee Arthroplasty Kojiro Hyodo JAPAN
ePoster #920	Primary Total Knee Arthroplasty in Knees with Old Neglected Dislocation of Patella Seung-Bin Im, MD KOREA, REPUBLIC OF
ePoster #921	Debridement, Antibiotic Pearls, and Retention of the Implant (DAPRI): A Novel Technique in Total Knee Arthroplasty PJI Treatment Pier Francesco Indelli, MD, PhD UNITED STATES
ePoster #922	Robotic Assisted Unicopartimental Knee Arthroplasty: Can We Improve Accuracy? Magaly Iñiguez, MD CHILE
ePoster #923	Bi-Cruciate Substituting (BCS) TKA Improves Stair Climbing Ability When Compared with CR or PS TKA Takanori Iriuchishima, MD, PhD JAPAN
ePoster #924	Ten- to Fifteen-Year Survival of Navigation-Assisted Total Knee Arthroplasty Jean-Yves Jenny, Prof. FRANCE
ePoster #925	The Post-Operative Determination of Hemoglobin Level is Not Necessary After TKA Jean-Yves Jenny, Prof. FRANCE
ePoster #926	Accelerated Rehabilitation After TKA: A French Nationwide Study Jean-Yves Jenny, Prof. FRANCE
ePoster #927	Lower Pain Score but Better Survival of Mobile Bearing TKAs When Patella Is Resurfaced: A Matched-Paired Retrospective Study Jean-Yves Jenny, Prof. FRANCE
ePoster #928	Autologous Bone Grafting plus Bio-Absorbable Pin Fixation for Medial Tibial Defects in Total Knee Arthroplasty Shin Kato, MD, PhD JAPAN
ePoster #929	The Learning Curve Associated with Robotic-Arm Assisted Unicompartmental Knee Arthroplasty: A Prospective Cohort Study Babar Kayani, BSc (HONS), MBBS, MRCS (Eng) UNITED KINGDOM
ePoster #930	Robotic-Arm Assisted Total Knee Arthroplasty Has a Learning Curve of Seven Cases for Integration Into the Surgical Workflow but No Learning Curve Effect for Accuracy of Implant Positioning Babar Kayani, BSc (HONS), MBBS, MRCS (Eng) UNITED KINGDOM
ePoster #931	Iatrogenic Bone and Soft Tissue Trauma in Robotic-Arm Assisted Total Knee Arthroplasty Compared with Conventional Jig-Based Total Knee Arthroplasty: A Prospective Cohort Study and Validation of a New Classification System Babar Kayani, BSc (HONS), MBBS, MRCS (Eng) UNITED KINGDOM
ePoster #932	Early Functional Rehabilitation and Hospital Discharge in Unicompartmental Knee Arthroplasty with Conventional Jig-Based Technique versus Robotic-Arm Assistance: A Prospective Cohort Study Babar Kayani, BSc (HONS), MBBS, MRCS (Eng) UNITED KINGDOM
ePoster #933	Comparison of Anterior Stabilized and Posterior Stabilized Total Knee Arthroplasties in the Same Patients: A Prospective Randomized Study Man-Soo Kim, MD, PhD KOREA, REPUBLIC OF
ePoster #934	The Role of Platelet Hyperreactivity in Venous Thromboembolism After Total Knee Arthroplasty in Elderly Population eithout Pharmacologic Prophylaxis: A Single Center Study Yong-Bum Joo, MD, PhD KOREA, REPUBLIC OF
ePoster #935	Functional Outcome After Medial Unicondylar versus Total Knee Arthroplasty: An Analysis Based on Arthroplasty Registry Data Michael C. Liebensteiner, MD, PhD AUSTRIA
ePoster #936	Inferior Outcome of UKA Converted to TKA in Comparison to Primary TKA Michael C. Liebensteiner, MD, PhD AUSTRIA
ePoster #937	The Outcome of Unicompartment Knee Arthroplasty Treatment for Spontaneous Osteonecrosis of the Knee Tsung Yu Lin, MD TAIWAN
ePoster #938	In Vivo Kinematic Evaluation of a New Design Total Knee Arthroplasty Using Dynamic Radiostereometric Analysis Giulio Maria Marcheggiani Muccioli, MD, PhD, Associate Professor ITALY
ePoster #939	Medial Tibial Reduction Osteotomy in Total Knee Arthroplasty for Advanced Varus: Is There a Release Algorithm? Rodica Marinescu, MD, PhD ROMANIA
ePoster #940	Total Knee Arthroplasty in Patients with Extra Articular Deformity: Restoration of Mechanical Alignment Using Accelerometer-Based Navigation System Fabrizio Matassi, MD ITALY
ePoster #941	First Comparative Study of the Effectiveness of the Use of Tranexamic Acid Against Aminocapróic Acid in Multiple Doses by Oral Route for the Reduction of Post-Operative Bleeding and Transfusion Rate on Total Primary Knee Replacement Carlos Acosta-Olivo, PhD, MD MEXICO
ePoster #942	Primary Total Knee Arthroplasty After Knee Fusion Due to Tuberculosis Dicky Mulyadi, MD., PhD INDONESIA
ePoster #943	Total Knee Arthroplasty in Patients Over 85 Years of Age Keita Nagira, MD, PhD JAPAN
ePoster #944	A Novel 3-D Method for Determining Whether Calipered Kinematic Alignment Sets the Femoral Component Coincident with the Contralateral Native Distal Femur Alexander J. Nedopil, MD UNITED STATES
ePoster #945	What is the Optimal Indication for Kinematically Aligned Total Knee Arthroplasty to Maximize the Effectiveness of Natural Joint Line Concept? Yasuo Niki, MD, PhD JAPAN
ePoster #946	The Efficacy of New Total Knee Arthroplasty Rehabilitation Protocol for Good Range of Motion After Follow-Up of Two Years Masataka Nishikawa, MD, PhD JAPAN
ePoster #947	Greater Reduction of Anterior Condyle of the Distal Femur Improves Flexion After Total Knee Arthroplasty in Patients with Osteoarthritis Kohei Nishitani, MD, PhD JAPAN
ePoster #948	Effect of Periarticular Local Steroid Injection on D-Dimer in Total Knee Arthroplasty Satoshi Nonaka, MD JAPAN
ePoster #949	Higher Axial Tibiofemoral Rotation and Functional Outcomes with Mobile-Bearing Total Knee Arthroplasty Compared to Fixed-Bearing at One- but Not at Two-Year Follow-Up: A Randomized Clinical Trial João V. Novaretti, MD, PhD BRAZIL
ePoster #951	Medial Unicompartmental Knee Arthroplasty: Correcting to Neutral Might Be the Wrong Answer? Kevin D. Plancher, MD, MPH UNITED STATES
ePoster #952	Failure Rates of Lateral UKA and Return to Sports without Restrictions including Skiing: Average 10-Year Follow-Up Kevin D. Plancher, MD, MPH UNITED STATES
ePoster #954	Accuracy of Empirical Distal Femoral Valgus Cut Angle of Four To Six Degrees in Total Knee Arthroplasty: A Randomized Controlled Trial Chaturong Pornrattanamaneewong, MD THAILAND
ePoster #955	The Infected Total Knee Arthroplasty: Causative Pathogens and the Outcome of Surgical Revision Strategies Sven Edward Putnis, MB ChB FRCS(Tr&Orth) UNITED KINGDOM
ePoster #956	Bilateral versus Unilateral Total Knee Arthroplasty: A Propensity Matched Case-Controlled Study Sven Edward Putnis, MB ChB FRCS(Tr&Orth) UNITED KINGDOM
ePoster #957	Increased Utilization of Constraint in Total Knee Arthroplasty Following Anterior Cruciate Ligament and Multiligament Knee Reconstruction Anil S. Ranawat, MD UNITED STATES
ePoster #958	Pre-Anesthetic Knee Flexion Angle is the Most Accurate Predictor of Flexion Angle After Total Knee Arthroplasty (TKA) Pakpoom Ruangsomboon, MD THAILAND
ePoster #961	Influence of Osteophyte Resection of the Posterior Femoral Condyle on Extension Range of Motion and Gap Balance in Cruciate Retaining Type Total Knee Arthroplasty: Intraoperative Evaluation Using Navigation System Eiji Sasaki, MD, PhD JAPAN
ePoster #962	Are There Clinical Meaning on Asymptomatic Pulmonary Embolism After Total Knee Arthroplasty? Atsushi Sato, MD, PhD JAPAN
ePoster #963	Efficacy of Repeated Administration of One-Gram Intravenous Acetaminophen Injection for Pain Management After Total Knee Arthroplasty Kazushige Seki, MD JAPAN
ePoster #964	Objective Quantification of Ligament Balancing Using Verasense in Measured Resection and Modified Gap Balance Total Knee Arthroplasty Jong-Keun Seon, MD, PhD, Prof KOREA, REPUBLIC OF
ePoster #965	Severe Knee Osteoarthritis Patients Show More Femoral Coronal Bowing Than Moderate Knee Osteoarthritis Patients: A Study Using 3D CT Hiroshi Shimosawa, MD JAPAN
ePoster #966	Association between Bone Tunnel Enlargement and Posterior Knee Laxity After Posterior Cruciate Ligament Reconstruction Norifumi Suga, MD JAPAN
ePoster #967	Supine Position for Performing Oxford Medial Unicompartmental Knee Arthroplasty Causes Errors in Tibial Rotation Sachin Ramchandra Tapasvi, MBBS, MS, DNB, FRCS INDIA
ePoster #968	Long-Term Result of UKA for Severe Varus Deformity Ichiroh Tatsumi, MD JAPAN
ePoster #969	Japanese Deep Vein Thrombosis and Pulmonary Embolism After Total Knee Arthroplasty Yasunori Tsukimura, MD JAPAN
ePoster #971	An Optimum Prosthesis Combination of Low Risk TKR Options in All Five Primary Categories of Design Results in a 60% Reduction in Revision Risk Christopher J. Vertullo, MBBS, PhD, FRACS(Orth) AUSTRALIA
ePoster #972	A Pedaling-Based Three Exercise Protocol Was Superior to a Non-Pedaling Ten Exercise Protocol for Post-Operative Rehabilitation After Total Knee Replacement in a Randomized Controlled Trial Christopher J. Vertullo, MBBS, PhD, FRACS(Orth) AUSTRALIA
ePoster #973	Goal Attainment Scaling After Knee Arthroplasty in Younger, Active Patients, a New Individualized Rehabilitation Intervention Resulting in Goal Achievement and Improved Satisfaction For Activities: A Cohort Study Suzanne Witjes, MD, PhD NETHERLANDS
ePoster #974	Rotating Hinge Knee versus Constrained Condylar Knee in Revision Total Knee Arthroplasty: A Meta-Analysis Jung-Ro Yoon, MD, PhD KOREA, REPUBLIC OF
ePoster #975	Mini-Midvastus Approach Shows Improved Short-Term Outcomes in Primary TKA Compared to Medial Parapatellar Approach Dylan Young, BS UNITED STATES
ePoster #976	Intraosseous Regional Prophylaxis Provides Higher Tissue Concentrations in High BMI Patients in Total Knee Arthroplasty: A Randomized Trial Simon W. Young, MD, FRACS NEW ZEALAND
ePoster #977	Incidence of Total Knee Replacement in Patients with Previous Anterior Cruciate Ligament Reconstruction Jarret M. Woodmass, MD, FRCSC CANADA

Knee - Meniscus (64 e-Posters)
ePoster #1001	Significantly Increased Medial Meniscus Extrusion in Varus Alignment of Four Degrees with Positive Correlation to Peak Contact Pressure: A Biomechanical Study Lukas Willinger, MD GERMANY
ePoster #1002	Preoperative Medial Meniscus Extrusion Rate Is Inversely Correlated with Postoperative Quality of Life in High Tibial Osteotomy Patients Manabu Akagawa, MD, PhD JAPAN
ePoster #1003	What Are the Most Effective MRI-Specific Findings for Lateral Meniscus Posterior Root Tear in ACL Injuries? Kazuki Asai JAPAN
ePoster #1004	Arthroscopic Assessment of Meniscal Injuries Using an Anatomical Zone Classification System Diego Costa Astur, MD, PhD BRAZIL
ePoster #1005	Agreement Between Plain Radiograph and MRI Assessment of Medial Meniscal Extrusion Saraporn Bamrungchart, MD THAILAND
ePoster #1006	Biomechanical Comparison of Three Novel Repair Techniques for Radial Tears of the Medial Meniscus Patrick S. Buckley, MD UNITED STATES
ePoster #1007	Clinical Results Were Not Age-Dependent Following Pullout Fixation for Medial Meniscus Posterior Root Tears Kyu Sung Chung, MD, PhD, Prof. KOREA, REPUBLIC OF
ePoster #1008	Comparison of Tibiofemoral Contact Mechanics After Various Transtibial and All-Inside Fixation Techniques for Medial Meniscus Posterior Root Radial Tears in a Porcine Mode Kyu Sung Chung, MD, PhD, Prof. KOREA, REPUBLIC OF
ePoster #1010	Clinical Outcomes of Meniscal Repair: A 40-Case Series Nuno Corte-Real, MD PORTUGAL
ePoster #1011	Functional Outcomes Six Months After Anterior Cruciate Ligament Reconstruction: The Impact of Meniscus Treatment David R. Diduch, MD, MS UNITED STATES
ePoster #1012	Age-Related Differences of Neuronal Structures within the Posterior Horn of the Medial and Lateral Meniscus Theresa Diermeier, MD GERMANY
ePoster #1013	Biomechanical Effects of Nonanatomic Repair of the Posterior Root of the Lateral Meniscus James Dreese, MD UNITED STATES
ePoster #1014	Obesity and Meniscal Transplant Failure: A Retrospective Cohort Study Alejandro Espejo-Reina, MD, MSc SPAIN
ePoster #1015	All-Inside Repair of Posterior Root Tear of Medial Meniscus Using Fast-Fix through Accessory Medial Portal Sang-Soo Eun, MD, PhD KOREA, REPUBLIC OF
ePoster #1017	Higher Activity Level Is Associated with Better Meniscus Repair Results David C. Flanigan, MD UNITED STATES
ePoster #1018	Biomechanical Properties of Posterior Meniscal Root Repairs: A Systematic Review David C. Flanigan, MD UNITED STATES
ePoster #1019	The Relationship between Resilience and Insurance Status: The Effect on Meniscectomy Outcomes Brian Forsythe, MD UNITED STATES
ePoster #1020	Biomechanical Comparison of Vertical Mattress and Cross-Stitch Suture Techniques, and Single- and Double-Row Configurations, for the Treatment of Bucket-Handle Medial Meniscus Tears Carlos E. S. Franciozi, MD, PhD, Prof. BRAZIL
ePoster #1021	Avoiding Damage to the Popliteal Neurovascular Bundle in All-Inside Suturing of the Posterior Horn of the Lateral Meniscus: An MRI Assessment of Portal Selection and Safety Ron Gilat, MD ISRAEL
ePoster #1022	Clinical Result with Second-Look Arthroscopic Findings After Arthroscopic Treatment for Posterior Meniscal Root Tears with Anatomical Double Bundle Anterior Cruciate Ligament Reconstruction Yuki Hanai, PhD JAPAN
ePoster #1023	Risk Factors for Postoperative Osteochondritis Dissecans of the Lateral Femoral Condyle After Meniscal Surgery in Juvenile Patients with a Discoid Lateral Meniscus Yusuke Hashimoto, MD, PhD JAPAN
ePoster #1024	MRI Diagnosis of Medial Meniscal Ramp Lesions in Patients with Anterior Cruciate Ligament Injuries Kazuhisa Hatayama, MD, PhD JAPAN
ePoster #1025	Comparison of Postoperative Outcomes for Medial Meniscal Ramp Lesions between Left without Repair and All-Inside Suture Kazuhisa Hatayama, MD, PhD JAPAN
ePoster #1026	The Clinical Outcomes with Second-Look Evaluation After Arthroscopic Medial Meniscal Repair at the Time of Anatomic Double Bundle ACL Reconstruction Riku Hayashi, MD, PhD JAPAN
ePoster #1027	Extrusion in Meniscal Allograft Transplantation: Is the Lateral Capsular Fixation the Solution? Maximiliano Ibañez, MD SPAIN
ePoster #1028	Factors Contributing to Postoperative Opioid Use in Meniscus Surgery Toufic R. Jildeh, MD UNITED STATES
ePoster #1029	The 6-Meter Timed Hop Test Is a Prognostic Factor for Outcomes in Patients with Meniscal Tears Treated with Exercise Therapy or Arthroscopic Partial Meniscectomy Nina Jullum Kise, MD NORWAY
ePoster #1030	Medial Knee Osteoarthritis Precedes Medial Meniscal Posterior Root Tear with an Event of Painful Popping Dhong-Won Lee, MD KOREA, REPUBLIC OF
ePoster #1031	Can Discoid Lateral Meniscus Restore the Position and Size of Normal Lateral Meniscus After Surgery? Sang Hak Lee, MD, PhD KOREA, REPUBLIC OF
ePoster #1032	Assessment of the Knee Articular Cartilage through MRI-T2 Mapping at Five Year Follow-Up of Meniscal Allograft Transplantation Luis Tomas Llano Rodriguez, MD MEXICO
ePoster #1033	Capsulodesis versus Bone Trough Technique in Lateral Meniscal Allograft Transplantation: Graft Extrusion and Functional Results Àngel Masferrer-Pino, MD PhD SPAIN
ePoster #1034	Safety, Feasibility, and Radiographic Outcomes of the Anterior Meniscal Takedown Technique to Approach Chondral Defects on the Tibia and Posterior Femoral Condyle: A Matched Control Study Gergo B Merkely, MD, PhD UNITED STATES
ePoster #1035	Evaluation of Medial Meniscus Extrusion Using Ultrasonography and Magnetic Resonance Imaging Atsunori Murase, MD, PhD JAPAN
ePoster #1036	Lateral Meniscus Centralization Restores the Residual Instability After Anterior Cruciate Ligament Reconstruction Tomomasa Nakamura, MD, PhD JAPAN
ePoster #1037	Should the Meniscal Height Be Considered for Preoperative Sizing in Meniscal Transplantation? Alfredo D. Netto, MD BRAZIL
ePoster #1038	Long-Term Survival Analysis of Meniscal Allograft Transplantation with Minimum 10-Year Follow-Up: A Systematic Review João V. Novaretti, MD, PhD BRAZIL
ePoster #1039	The Role of Lateral Meniscus and Anterolateral Structure Injury on Rotatory Laxity in the Anterior Cruciate Ligament Deficient Knee Munehiro Ogawa, MD, PhD JAPAN
ePoster #1040	Delay of Cartilage Degeneration of Polyurethane Meniscal Substitute Alone or Enhanced with Autologous Mesenchymal Stem Cells Evaluated with T2-Mapping at 24 Follow-Up Months Ana Luisa Bravo-Mercado, MD MEXICO
ePoster #1041	Lateral Location of the Tibial Tunnel Increases Lateral Meniscal Extrusion After Anatomical Single Bundle Anterior Cruciate Ligament Reconstruction Takeshi Oshima, MD, PhD JAPAN
ePoster #1042	Survivorship after Meniscal Allograft Transplantation According to Articular Cartilage Status Jun-Gu Park, MD KOREA, REPUBLIC OF
ePoster #1043	Clinical Outcomes and Survival Rate of Autologous Chondrocyte Implantation with and without Concomitant Meniscus Allograft Transplantation: 10- to 15-Year Follow-Up Study Jae-Young Park, MD KOREA, REPUBLIC OF
ePoster #1044	The Rate of Meniscus Tears in Association with Anterior Cruciate Ligament Injuries Increases with Age Crystal A. Perkins, MD UNITED STATES
ePoster #1045	Outcomes of Isolated Meniscus Repairs in Children and Adolescents Crystal A. Perkins, MD UNITED STATES
ePoster #1048	Repair versus Non-Repair of Medial Meniscus Posterior Root Tear: A Systematic Review of Patients’ Selection Criteria, Including Clinical and Radiographic Outcomes Young-Jin Seo, MD, PhD KOREA, REPUBLIC OF
ePoster #1049	Lateral Extra-Articular Tenodesis (LET) Does Not Increase Lateral Compartment Contact Pressures, Even in the Face of Subtotal Meniscectomy Tomoyuki Shimakawa, MD JAPAN
ePoster #1050	Enhanced Repair of Meniscal Hoop Structure Injuries Using an Aligned Electrospun Nanofibrous Scaffold Combined with a Mesenchymal Stem Cell-Derived Tissue Engineered Construct Kazunori Shimomura, MD, PhD, Prof. JAPAN
ePoster #1051	Dynamics of the Meniscus Under the Weight-Loading Condition: Investigation Using Special Upright Magnetic Resonance Imaging Kengo Shimozaki, MD JAPAN
ePoster #1052	Relationship between the Anterior Horn of Lateral Meniscus and Tibial Tunnel in Anatomical Single Bundle Anterior Cruciate Ligament Reconstruction Kengo Shimozaki, MD JAPAN
ePoster #1053	Lateral Meniscus Slope and Its Clinical Relevance in Patients with a Combined ACL Tear and Posterior Tibia Compression Robert Smigielski, MD, PhD POLAND
ePoster #1054	Clinical Outcomes After Arthroscopic Posterolateral Joint Capsule Stabilization for Isolated Posterolateral Rotational Instability of the Knee Shinichiro Takada, MD JAPAN
ePoster #1055	Clinical Outcomes for Osteochondritis Dissecans of Lateral Femoral Condyle in Each Shape of Lateral Meniscus Junsei Takigami, MD, PhD JAPAN
ePoster #1056	Meniscal Healing Does Not Correlate with Clinical Symptoms and Outcome Measures: A Clinico-Radiological Analysis Sachin Ramchandra Tapasvi, MBBS, MS, DNB, FRCS INDIA
ePoster #1057	The Interrelationship between Anterior Cruciate Ligament Tibial Footprint and Anterolateral Meniscal Root Insertions Keiji Tensho, MD, PhD JAPAN
ePoster #1058	Risk Factors for 30-Day Readmission Following Knee Arthroscopy Vehniah K. Tjong, MD, FRCSC UNITED STATES
ePoster #1059	Repair for Posterior Lateral Meniscus Radial/Flap Tears Combined with ACL Reconstruction: Arthroscopic Evaluations at Two-Year Post-Operation Akira Tsujii, MD, PhD JAPAN
ePoster #1060	Varus Alignment Highly Affects Peak Pressure After Horizontal Leaflet Resection of the Medial Meniscus Lukas Willinger, MD GERMANY
ePoster #1061	Should Meniscus Tear Repair within Three Weeks After Trauma Be Preferable?: Results of a Single Surgeon Series of 95 Repairs Diederick B. Wouters, MD, PhD NETHERLANDS
ePoster #1063	Meniscal Repair: Failure Rate and Clinical Outcomes with Minimum Two-Years Follow-Up Carlos H. Yacuzzi, MD ARGENTINA
ePoster #1064	The Characteristic Findings to Assess Meniscal Healing Status After Meniscal Repair on MRI-T2 Mapping Shinya Yamasaki, MD, PhD JAPAN
ePoster #1065	Relationship between Severity of Bone Bruise and Presence of Meniscus Tears in Acute Anterior Cruciate Ligament Injury Shohei Yamauchi, MD, PhD JAPAN
ePoster #1066	A Comparison of Arthroscopic Diagnosis of Ramp Lesion and Pre-Operative MRI Evaluation Sanshiro Yasuma, MD JAPAN
ePoster #1067	The Peri-Meniscal Capsule May Contribute to the Circumferential Hoop Tension of the Meniscus Due to Its Fiber Thickness and Orientation Xiang-Yun Yin, MD KOREA, REPUBLIC OF
ePoster #1068	Macroscopic, Histological and MRI Evaluation During Repair Process of Porcine Meniscus Treated by Mechanically Reinforced Atellocollagen Substitute for Meniscal Defect from One to Nine Months After Implantation Hiroyuki Yokoi, MD, PhD JAPAN
ePoster #1069	The "New Bony Landmarks" Lengthwise Located between the Anterior Cruciate Ligament and Anterior Horn of Lateral Meniscus Tibial Insertion: A 3-D CT Study in Young Population Yasukazu Yonetani, MD, PhD JAPAN

Knee - Osteotomy (30 e-Posters)
ePoster #1201	Double Level Osteotomy is Less Invasive than Total Knee Arthroplasty Manabu Akagawa, MD, PhD JAPAN
ePoster #1203	Distal Tibial Tubercle Osteotomy: Factors That Influence Bone Healing at the Distal Interface Elizabeth A. Arendt, MD UNITED STATES
ePoster #1204	The Effect of a Synthetic Bone Insert on the Strain Response of the Lateral Cortex and Fixation Plate Following a High Tibial Osteotomy Alan Getgood, MD, FRCS(Tr&Orth), DipSEM CANADA
ePoster #1205	Cartilage Repair Using Combined Osteochondral Autograft Transfer and Microfracture Technique for Severe Osteoarthritis of the Knee in Younger Patients Jae-Hoon Chung, MD, PhD KOREA, REPUBLIC OF
ePoster #1206	High Tibial Osteotomy Performed in Patients Having Constitutional Varus with Medial Cartilage Lesion Jae-Hoon Chung, MD, PhD KOREA, REPUBLIC OF
ePoster #1207	Prevention of the Increase in Posterior Tibial Slope After the Opening Wedge High Tibial Osteotomy: A Computer Simulation Study with Three-Dimensional Preoperative Planning Software Kensuke Hotta, MD JAPAN
ePoster #1209	Serial Changes in Joint Line Convergence Angle and Second-Look Arthroscopic Assessment of Cartilage After Hybrid High Tibial Osteotomy (HTO) Kazumasa Inoue, MD JAPAN
ePoster #1211	Complications Associated with Medial Opening-Wedge High Tibial Osteotomy Using a Locking Plate: A Multi-Center Study Ki-Mo Jang, MD, PhD, Prof. KOREA, REPUBLIC OF
ePoster #1212	Patient-Reported Outcomes Correlate with Functional Scores After Opening-Wedge High Tibial Osteotomy Ki-Mo Jang, MD, PhD, Prof. KOREA, REPUBLIC OF
ePoster #1213	Outcomes After Dome High Tibial Osteotomy Raymond J. Kenney, MD UNITED STATES
ePoster #1214	Degree of Preoperative Subchondral Bone Marrow Lesion is Associated with Postoperative Outcome After Medial Opening Wedge High Tibial Osteotomy Man-Soo Kim, MD, PhD KOREA, REPUBLIC OF
ePoster #1215	A Retrospective Comparison of Union Rates After Open Wedge High Tibial Osteotomies with and without Synthetic Bone Grafts at Two Years Jae-Gyoon Kim, MD, PhD, Prof. KOREA, REPUBLIC OF
ePoster #1216	Risk of Deep Peroneal Nerve Injury in Medial Opening-Wedge High Tibial Osteotomy: A Cadaveric Study Using Locking Plate Makoto Kobayashi, MD, PhD JAPAN
ePoster #1218	Three-Dimensional Comparison of Tibial Torsion Changes Following Lateral Closed Wedge or Medial Open Wedge High Tibial Osteotomy Umito Kuwashima, MD, PhD JAPAN
ePoster #1220	Inter-Observer Reliability for Imaging Parameters Describing the Femoral Trochlea Anatomy Michael C. Liebensteiner, MD, PhD AUSTRIA
ePoster #1221	Anteromedialization Tibial Tubercle Osteotomy Decreases Patellar Height Alexandre B. Mestriner, MD BRAZIL
ePoster #1222	Survival Analysis of Medial Open Wedge High Tibial Osteotomy for Medial Unicompartment Knee Osteoarthritis Seung-Min Na, MD KOREA, REPUBLIC OF
ePoster #1223	Effect of Posterior Tibial Slope Increase in Opening Wedge High Tibial Osteotomy on Functional Outcomes Seung-Min Na, MD KOREA, REPUBLIC OF
ePoster #1224	High Variability of Tibial Slope Measurement Methods in Daily Clinical Practice: Comparisons between Measurements on Lateral Radiograph, MRI and CT-Scan Jan-Hendrik Naendrup, BS, MD GERMANY
ePoster #1225	Articular Cartilage Changes of the Proximal Tibiofibular Joint in MRI T1-Rho Mapping Following an Open-Wedge Osteotomy of the Proximal Tibia with Hemicallotasis for Medial Knee Osteoarthritis Eiichi Nakamura, MD, PhD JAPAN
ePoster #1226	Investigation of the Change in the Leg Length After High Tibial Osteotomy: A Computer Simulation Study Using the Three-Dimensional Software of Preoperative Planning Kazuki Nomoto, MD JAPAN
ePoster #1227	Midterm Results of Arthroscopic Anterior Cruciate Ligament Reconstruction with Simultaneous Medial Opening Wedge High Tibial Osteotomy in Patients with Genu Varum Deformity Amr S. Rashwan, Assoc. Prof. EGYPT
ePoster #1228	Mid-Term Influence of Opening Wedge High Tibial Osteotomy on Progression of Patellofemoral Osteoarthritis Shizuka Sasaki JAPAN
ePoster #1229	Outcomes of Simultaneous Open Wedge High Tibial Osteotomy and Anterior Cruciate Ligament Reconstruction in Anterior Cruciate Ligament Deficiency with Medial Unicompartmental Osteoarthritis Jong-Keun Seon, MD, PhD, Prof KOREA, REPUBLIC OF
ePoster #1230	One- to Six-Years Clinical and Radiological Outcome of Tibial Rotational Osteotomy and Tuberosity Transfer for Symptomatic Excessive External Tibial Torsion Martyn Snow, FRCS UNITED KINGDOM
ePoster #1232	Medial Open Wedge High Tibial Osteotomy in Patients Aged Over 65 Years: Clinical and Radiological Comparisons between Different Age Groups Hiroki Takeuchi, MD JAPAN
ePoster #1233	Proximal Tibiofibular Dislocation versus Fibular Head Osteotomy in a Closing-Wedge High Tibial Osteotomy: Radiological and Clinical Repercussion on the Stability of the Lateral Compartment of the Knee, a Prospective Randomized Study Raúl Torres-Claramunt, PhD SPAIN
ePoster #1234	Difference in Joint Line Convergence Angle between Supine and Standing Positions Can Predict Coronal Correction Error After Medial Opening Wedge High Tibial Osteotomy Joon Ho Wang, MD, PhD KOREA, REPUBLIC OF
ePoster #1235	Clinical and Radiological Evaluations of a Novel Fixation System for Medial Open-Wedge High Tibial Osteotomy: Comparison with Anatomical Locking Plate Koji Yabuuchi, MD JAPAN
ePoster #1236	Correlation between the Amount of Bony Correction Angle in Medial Open Wedge High Tibial Osteotomy and the State of Patellofemoral Cartilage Tae-Hwan Yoon, MD KOREA, REPUBLIC OF

Knee - Other (20 e-Posters)
ePoster #1301	Long-Term Results of the One-Step Technique in the Treatment of the Osteochondritis Dissecans of the Knee Roberto Buda, Prof. ITALY
ePoster #1302	Comparison of Post-Traumatic Osteoarthritis Injury Initiation Methods in an Ovine Model Alan Getgood, MD, FRCS(Tr&Orth), DipSEM CANADA
ePoster #1303	Quantitative Morphological Analysis of the Capsulo-Osseous Layer of the Distal Iliotibial Band Alan Getgood, MD, FRCS(Tr&Orth), DipSEM CANADA
ePoster #1304	Iatrogenic Cartilage Injury During Arthroscopic Procedures: A Common Occurrence That Results in Superficial Cartilage Cell Death Robert W. Westermann, MD UNITED STATES
ePoster #1305	Effect of Focal Metallic Implants to the Contralateral Cartilage: An In-Vitro Study with an Novel Designed Abrasion Test Machine Theresa Diermeier, MD GERMANY
ePoster #1306	Improvement and Low Recurrence Rate After Combined Staged Synovectomy and External Radiotherapy for Diffuse Pigmented Villonodular Synovitis of the Knee: A Minimum Two-Year Follow-Up Case Series Mohamed El Attar, MD EGYPT
ePoster #1307	Safety and Effectiveness of Coblation (Radio Frequency Plasma) for Knee Chondroplasty David C. Flanigan, MD UNITED STATES
ePoster #1308	Quantifying Compartmental & Sub-Compartmental Cartilage Variation in Osteoarthritic Knees Brett A. Fritsch, MBBS BSc(Med), FRACS, FAOrthA AUSTRALIA
ePoster #1309	Increased Activity and Sports Specialization Is Associated with Knee Pain: An Epidemiological Cross-Sectional Study of 4,002 Children and Adolescents Daniel W. Green, MD, MS UNITED STATES
ePoster #1310	Non-Operative Treatments for Knee Osteoarthritis: Are They Equally Effective? Moin Khan, MD, MSc, FRCSC CANADA
ePoster #1311	Magnetic Resonance Imaging is Helpful in Surgical Decision Making Process of Medial Compartment Osteoarthritis of the Knee Chulkyu Kim, MD KOREA, REPUBLIC OF
ePoster #1312	Knee Pain in Patients Who Have Radiographic Knee Osteoarthritis Is Associated with Spinal Sagittal Malalignment Hiroshi Koyama, MD, PhD JAPAN
ePoster #1313	Significant Proportion of Severe Lateral Osteoarthritis in the Asian Population have Nonvalgus Knee Alignment with Milder Clinical Manifestation Cheong-Su Lim, MD KOREA, REPUBLIC OF
ePoster #1314	Use of Posterior Tibial Support Braces for Posterior Cruciate Ligament Injury Treatment: Patients' Perspective Martin Lind, MD, PhD, Prof. DENMARK
ePoster #1315	Conservative Approaches to Kinematic Alignment and Their Impact on Patient Reported Outcomes David A. Parker, MBBS, BMedSc, FRACS AUSTRALIA
ePoster #1317	Assessment of Valgus Instability After Release of the Medial Structure in Medial Open-Wedge High Tibial Osteotomy: In Vivo Biomechanical Study Using Quantitative Valgus Stress Radiography Dai Sato, MD JAPAN
ePoster #1319	Comparison of Microfracture Alone and Microfracture with Augmentation for Medial Unicompartmental Osteoarthritis Eun-Kyoo Song, MD, PhD, Prof. KOREA, REPUBLIC OF
ePoster #1320	Arthroscopy versus Arthrotomy for the Treatment of Septic Knee Arthritis Vehniah K. Tjong, MD, FRCSC UNITED STATES
ePoster #1321	Retroarticular Drilling with Supplemental Bone Marrow Aspirate for the Treatment of Osteochondritis Dissecans of the Knee Cliff Willimon, MD UNITED STATES
ePoster #1322	Motor Learning in Knee Osteoarthritis Therapy: A New Rehabilitation Approach Barbara Wondrasch, PT, PhD AUSTRIA

Knee - Patellofemoral (37 e-Posters)
ePoster #1401	Patella Tendon Imbrication as a Surgical Management of Patella Alta Jack T. Andrish, MD UNITED STATES
ePoster #1402	Clinical Results Following Distalization of the Tibial Tubercle for Patellar Stabilization Elizabeth A. Arendt, MD UNITED STATES
ePoster #1403	Cartilage Restoration of the Patellofemoral Joint: A Systematic Review Olufemi R. Ayeni, MD, PhD, MSc, FRCSC CANADA
ePoster #1404	Return to Sport Following Medial Patellofemoral Ligament Reconstruction Jonathan T. Bravman, MD UNITED STATES
ePoster #1405	Better Knee Function After Surgical Repair of Acute Quadriceps Tendon Rupture in Comparison to Acute Patellar Tendon Rupture Michail E. Hantes, MD, PhD, Prof. GREECE
ePoster #1406	Outcomes in Patients with Severe Trochlear Dysplasia Undergoing Sulcus-Deepening Trochleoplasty: A Minimum One-Year Follow-Up Prospective Study David R. Diduch, MD, MS UNITED STATES
ePoster #1407	Isolated Patellofemoral Ligament Reconstruction: Implant-Free Technique with Elastic Femoral Fixation Leads to Excellent Clinical Results in Term of Stability without Patellofemoral Pain Maximiliano Ibañez, MD SPAIN
ePoster #1408	Magnetic Resonance Study of Vastus Medialis: Comparison between Patellar Instability and Controls Riccardo Gomes Gobbi, MD, PhD BRAZIL
ePoster #1409	Posterior Approach to Hamstring Harvest and Subsequent Graft Length in MPFL Reconstruction Daniel W. Green, MD, MS UNITED STATES
ePoster #1410	Patellofemoral Cartilage Restoration: A Systematic Review and Meta-Analysis of Clinical Outcomes Betina B. Hinckel, MD, PhD UNITED STATES
ePoster #1412	Timing for Safe Return to Sport After Medial Patello-Femoral Ligament (MPFL) Reconstruction: The Role of a Functional Test Battery Matteo Innocenti, MD ITALY
ePoster #1413	Comparison of Drop Landing Strategies between Patients with Deficient MPFL and Patients After MPFL Reconstruction Michail I. Iosifidis, MD, PhD GREECE
ePoster #1414	A Comparative Study between Patellofemoral Joint and Femoral Condyles Cartilage Lesions After Mesenchymal Stem Cells Implantation Michail I. Iosifidis, MD, PhD GREECE
ePoster #1415	Biomechanics of Patellar Tendon Repair Using a High-Resistance Flexible Suture Frame: A Cadaveric Study Sebastián Irarrázaval, MD CHILE
ePoster #1416	A Biomechanical Comparison of Suture Anchor versus Interference Screw Technique for Patellar Fixation for Medial Patellofemoral Ligament Reconstruction Kunal Kalra, MD UNITED STATES
ePoster #1417	In-Vivo Length Changes and Isometry of the Medial Patellofemoral Ligament during Weightbearing Motion Willem A. Kernkamp, MD NETHERLANDS
ePoster #1418	Evaluation of the Patellofemoral Patient: Consensus Recommendations by an Expert Panel and Survey Jason L. Koh, MD, MBA UNITED STATES
ePoster #1419	The Effect of Tibial Tuberosity Distalization on Patellofemoral Contact Pressure and Tracking: A Dynamic Computational Simulation Study Jason L. Koh, MD, MBA UNITED STATES
ePoster #1420	Biomechanical Analysis of Patellar Resurfacing with Onlay and Inset Patellar Implant Fixation in TKR: A Comparison of Conventional and Highly Cross-Linked Polyethylene Yung-Chang Lu, Assoc. Prof. TAIWAN
ePoster #1421	Inter-Rater Reliability of Measurement of TT-TG and Trochlear Morphology on MRI: The Effect of Axial Slice Selection Robert A Magnussen, MD, MPH UNITED STATES
ePoster #1422	Medial Patellofemoral Ligament Reconstruction Using Fascia Lata Allograft: Minimum Two-Year Follow-Up Results Giulio Maria Marcheggiani Muccioli, MD, PhD, Associate Professor ITALY
ePoster #1423	The Recurrent Instability of the Patella (RIP) Score: A Statistically-Based Model for Prediction of Long-Term Recurrence Risk After First-Time Dislocation R. Kyle Martin, MD, FRCSC UNITED STATES
ePoster #1425	Patellofemoral Autologous Chondrocyte Implantation in Patients with Trochlear Dysplasia: A Comparative Matched Group Analysis Alexandre B. Mestriner, MD BRAZIL
ePoster #1428	Epidemiology of Patellofemoral Injuries in Collegiate Athletes in the United States from 2009 to 2014 Mary K. Mulcahey, MD UNITED STATES
ePoster #1429	Surgical Treatment of Patellofemoral Cartilage Lesions: A Systematic Review Joni L. Soares Nunes, MD PORTUGAL
ePoster #1430	Trans-Osseous versus Anchor Repair of Acute Patellar Tendon Ruptures James A. O'Dowd, MD UNITED STATES
ePoster #1431	Clinical and Radiological Outcomes of Trans-Osseous Tunnel versus Suture Anchor Fixation for Medial Patellofemoral Ligament Reconstruction: Case Control Study with Two-Year Follow-Up Jae-Young Park, MD KOREA, REPUBLIC OF
ePoster #1432	Arthroscopic Medial Patellar Reefing with Suture Loop for Recurrent Patellar Dislocation in Paediatric Population Saroj Rai, MD, PhD UNITED ARAB EMIRATES
ePoster #1433	Evaluation of Patellar Contact Pressure Changes After Static Versus Dynamic Medial Patellofemoral Ligament Reconstructions Using a Finite Element Model Vicente Sanchis-Alfonso, MD, PhD SPAIN
ePoster #1435	Medial Patellofemoral Ligament Repair versus Reconstruction for Chronic Patella Instability Seth L. Sherman, MD UNITED STATES
ePoster #1437	Trochlear Morphology and Cartilage Viability After Mini-Open Lateral Approach Trochleaplasty for Recurrent Patellar Dislocation: MRI Analysis and Clinical Results Petri J. Sillanpää, MD, PhD FINLAND
ePoster #1439	The Ribbon-Shaped Femoral Footprint of the MPFL: Implications for Reconstruction Miho J. Tanaka, MD, PhD UNITED STATES
ePoster #1440	Relationship between Graft Force and Tuberosity Position Following MPFL Reconstruction Miho J. Tanaka, MD, PhD UNITED STATES
ePoster #1441	Functional Testing Identifies Functional Deficits Following Medial Patellofemoral Ligament Reconstruction Marc Tompkins, MD UNITED STATES
ePoster #1444	Performance of PROMIS in Patients with Patellofemoral Malalignment and Chondral Disease Robert W. Westermann, MD UNITED STATES
ePoster #1445	Classification of Dysplastic Femoral Trochlea Depends on Evaluation Plane in Patients with Patellar Instability Yukiyoshi Toritsuka, MD, PhD JAPAN
ePoster #1446	Patellofemoral Realignment: The “Dynamic Quadriceps” as a New Technique Cesar Guillermo Zvietcovich-Cornejo, MD PERU

Knee - PCL/Collateral ligaments/Multiligament injuries (15 e-Posters)
ePoster #1501	A Novel Concept: Graft Reinforcement in Knee Ligament Reconstruction John Dabis, MBBS, MSc SEM, MRCS, FRCS(Tr&Orth) UNITED KINGDOM
ePoster #1502	Outcomes of an Anatomic Posterolateral Knee Reconstruction with Autografts Carlos E. S. Franciozi, MD, PhD, Prof. BRAZIL
ePoster #1503	Experimental Analysis of Medial Structures on Kinematics of PCL-Deficient Knees Alan Getgood, MD, FRCS(Tr&Orth), DipSEM CANADA
ePoster #1504	The Effects of Nicotine Use on Clinical Outcomes of Multiligament Knee Injuries Jacob T. Hall, MD UNITED STATES
ePoster #1505	Clinical Outcomes of Surgical Treatment for the Multiple Knee Ligament Injuries with Both Anterior Cruciate Ligament and Posterior Cruciate Ligament Ruptures Zenta Jotoku, MD, PhD JAPAN
ePoster #1506	Clinical Comparisons of Double-Bundle versus Single-Bundle Posterior Cruciate Ligament Reconstruction Procedures Using Hamstring Tendon Hybrid Autografts Yoshio Nishida, MD JAPAN
ePoster #1508	Minimum Ten-Year Results of Single-Bundle versus Double-Bundle Posterior Cruciate Ligament Reconstruction: Clinical, Radiologic, and Survivorship Outcomes Jae-Young Park, MD KOREA, REPUBLIC OF
ePoster #1509	Assessing the Incidence of "PCL Plus Popliteus" Injuries Matthew Pate, BS UNITED STATES
ePoster #1510	Varus Mechanism Is Associated with High Incidence of Popliteal Artery Lesions in Multiligament Knee Injuries Maximiliano Scheu, MD, MMSc CHILE
ePoster #1511	Graft Bending Angle of Posterior Cruciate Ligament: Analysis Using an In Vivo 3D Model Young-Jin Seo, MD, PhD KOREA, REPUBLIC OF
ePoster #1512	Clinical Feature of the "Windswept Knee Injury" Jae-Ang Sim, MD, PhD KOREA, REPUBLIC OF
ePoster #1513	Virtual Reconstruction of the Posterior Cruciate Ligament for Mechanical Testing of the Knee Sonia Donde, MS UNITED STATES
ePoster #1514	Double Bundle Anatomic Medial Reconstruction Restores Stability and Function: Clinico-Radiological Outcome Sachin Ramchandra Tapasvi, MBBS, MS, DNB, FRCS INDIA
ePoster #1515	Multiligament Knee Injuries: Clinical Outcomes of Surgical Treatment Maria Tuca, MD CHILE
ePoster #1516	Validation of PROMIS Computer Adaptive Testing for Multiligament Knee Reconstruction Alexander E. Weber, MD UNITED STATES

Other (2 e-Posters)
ePoster #1601	International Comparative Analysis to Understand the Capacity for Arthroscopy Training in Developing Countries Nicole H. Goldhaber, MA, BA UNITED STATES
ePoster #1602	A Comparison of Novice, Resident, and Attending Orthopaedic Surgeon Outcomes on Six Fundamentals of Arthroscopic Surgery Training Workstation Tasks Peters T. Otlans, MD, MPH UNITED STATES

Shoulder - Arthroplasty (16 e-Posters)
ePoster #1701	Patient-Reported Outcomes Following Anatomic Total Shoulder Arthroplasty for Primary Glenohumeral Osteoarthritis: Mid-Term Results at a Minimum Of Five Years Burak Altintas, MD UNITED STATES
ePoster #1702	Clinical Outcomes and Complications of Primary Reverse Total Shoulder Arthroplasty After 2010: A Systematic Review Darren L. de SA, MBA(c), MD FRCSC CANADA
ePoster #1703	Peri-Operative Outcomes of Patients with Chronic Kidney Disease Undergoing Shoulder Arthroplasty Kevin X. Farley, BS UNITED STATES
ePoster #1706	Charlson Comorbidity Index Significantly Predicts 90-Day Readmission After Shoulder Arthroplasty Benjamin R. Graves, MD UNITED STATES
ePoster #1707	Preoperative Promis Scores Predict Postoperative Outcome in Total Shoulder Arthroplasty Patients Raymond J. Kenney, MD UNITED STATES
ePoster #1708	Cemented Humeral Stem versus Press-Fit Humeral Stem in Total Shoulder Arthroplasty: A Systematic Review Moin Khan, MD, MSc, FRCSC CANADA
ePoster #1709	Outcomes and Return to Sport After Pectoralis Major Tendon Repair: A Systematic Review Moin Khan, MD, MSc, FRCSC CANADA
ePoster #1710	The Dimensionless Squared Jolt (DSJ): A Novel Objective Parameter That Improves Assessment of Hand Motion Analysis During Simulated Shoulder Arthroscopy Erica Kholinne, MD, PhD INDONESIA
ePoster #1711	Glenoid Wear Pattern Does Not Influence Patient-Reported Satisfaction Following Humeral Head Resurfacing Albert Lin, MD UNITED STATES
ePoster #1712	Does the Teres Minor Muscle Status Affect the Active Rotation Movement in Reverse Total Shoulder Arthroplasty? Ofer Levy, MD, MCh(Orth), FRCS UNITED KINGDOM
ePoster #1713	Metaphyseal Reverse Total Shoulder Arthroplasty without a Stem: Long-Term Results with 5- to 11-Years Follow-Up Ofer Levy, MD, MCh(Orth), FRCS UNITED KINGDOM
ePoster #1714	Accelerated Rehabilitation Protocol Following Reverse Total Shoulder Arthroplasty: A New Concept Ofer Levy, MD, MCh(Orth), FRCS UNITED KINGDOM
ePoster #1715	Incidence of Distal Peripheral Neuropathy After Shoulder Arthroplasty Gregory P. Nicholson, MD UNITED STATES
ePoster #1718	Acromial Spine Fracture After Reverse Total Shoulder Arthroplasty: A Systematic Review Diana C. Patterson, MD UNITED STATES
ePoster #1719	The Effect of Glenoid Morphology on Outcomes of Total Shoulder Inlay Arthroplasty: Prospective Comparison of Walsh Type A And B Glenoids Luis A Vargas, MD, PhD UNITED STATES
ePoster #1720	Five-Year Outcomes of Powerlifters and Bodybuilders Undergoing Stemless Aspherical Humeral Head Resurfacing along with an Inlay Glenoid Luis A Vargas, MD, PhD UNITED STATES

Shoulder - Instability (41 e-Posters)
ePoster #1802	Suprascapular Nerve Blockade for Postoperative Pain Control Following Arthroscopic Shoulder Surgery: A Systematic Review and Meta-Analysis Olufemi R. Ayeni, MD, PhD, MSc, FRCSC CANADA
ePoster #1804	Collision versus Contact Athletes: Arthroscopic Stabilization After a First-Time Dislocation Bernardo A. Bertona-Altieri, MD ARGENTINA
ePoster #1805	Preliminary Results of the Use of Osteochondral Transplantation in the Proximal Humeral Surgical Procedures Rafael S. B. Petros BRAZIL
ePoster #1808	Is Return to Play at Six Months After Latarjet Safe?: A Multi-Center Orthopaedic Outcomes Network (MOON) Shoulder Group Cohort Study Grant L. Jones, MD UNITED STATES
ePoster #1809	What Are the Effects of Remplissage on Six-Month Outcomes Following Arthroscopic Bankart Repair?: A Multi-Center Orthopaedic Outcomes Network (MOON) Shoulder Group Cohort Study Grant L. Jones, MD UNITED STATES
ePoster #1810	The West Point View: An Arthroscopic Load Shift Utilizing an Intra-Articular 50-Yard Line View Donald R. Fredericks Jr., MD UNITED STATES
ePoster #1811	Relationship between Posterior Instability of the Shoulder and Scapula Dyskinesis: Does the Scapular Manual Fixation Have a Great Effect on the Result of the Jerk Test? Yasunari Fujii, MD JAPAN
ePoster #1812	The Financial Burden Associated with Multiple Shoulder Dislocations and the Potential Cost-Savings of Surgical Stabilization Benjamin R. Graves, MD UNITED STATES
ePoster #1813	Arthroscopic Soft Tissue Shoulder Stabilization with Augmentation in Elite Judo Athletes Hiroshige Hamada, MD JAPAN
ePoster #1814	Surgical Reconstruction of Unrepairable Pectoralis Major Rupture Using Tendo-Achilles Allograft Mohamed A. Imam, MD, MSc, DSportMed, ELD (Oxon), PhD, FRCS UNITED KINGDOM
ePoster #1815	The Incidence of Traumatic Posterior and Combined Labral Tears in Patients Undergoing Arthroscopic Shoulder Stabilization Mohamed A. Imam, MD, MSc, DSportMed, ELD (Oxon), PhD, FRCS UNITED KINGDOM
ePoster #1816	Cyclic Biomechanical Evaluation of Single-Tunnel Coracoclavicular Reconstruction: Is Augmentation Necessary? Tyler R. Johnston, MD UNITED STATES
ePoster #1817	Preoperative Promis Scores Predict Postoperative Outcomes After Arthroscopic Bankart Repair Raymond J. Kenney, MD UNITED STATES
ePoster #1818	Biomechanical Comparison of Single- and Double-Row Repair Techniques for Acute Bony Bankart Lesions Raymond J. Kenney, MD UNITED STATES
ePoster #1819	Arthroscopic Bankart Repair for Recurrent Shoulder Dislocation of Middle-Aged and Elderly Athletes Kazuhiko Kikugawa, MD, PhD JAPAN
ePoster #1820	When Is a Hill-Sachs Lesion Too Large for Remplissage?: The Relationship between Humeral Head Size and Infraspinatus Tendon Length Thomas J. Kremen, MD UNITED STATES
ePoster #1823	Decreased Glenoid Retroversion is Associated with Failure of Anterior Shoulder Stabilization in Individuals with Subcritical Bone Loss Ryan T. Li, MD UNITED STATES
ePoster #1825	Clinical Outcomes Following Open Anterior Shoulder Stabilization for Glenohumeral Instability in the Young Collision Athlete Paul Monk, DPhil (Oxon), FRCS NEW ZEALAND
ePoster #1826	Postoperative Glenohumeral Stability After Bony Bankart Repair Using Sugaya Technique Macarena Morales, MD ITALY
ePoster #1827	Epidemiology of Shoulder Instability Injuries in Collegiate Contact Sports in the United States from 2009 to 2014 Mary K. Mulcahey, MD UNITED STATES
ePoster #1828	Horizontal Instability of the Acromioclavicular Joint: A Systematic Review Mary K. Mulcahey, MD UNITED STATES
ePoster #1829	Determining On/Off Track Lesions in Glenohumeral Dislocation Using MPR CT Is Easier and More Reproducible Than Using 3D-CT Laura Mulleneers, MD BELGIUM
ePoster #1830	Prevalence and Clinical Relevance of Injuries Associated with Recurrent Anterior Shoulder Instability Pablo A. Narbona, MD ARGENTINA
ePoster #1832	Establishing Timeline to Maximal Medical Improvement (MMI) Following Shoulder Stabilization Surgery Benedict U. Nwachukwu, MD, MBA UNITED STATES
ePoster #1833	Patient Satisfaction After Shoulder Stabilization Surgery: A Comparison of Bankart and Latarjet Procedures Benedict U. Nwachukwu, MD, MBA UNITED STATES
ePoster #1834	Are Soft Anchors Able to Meet Expectations in the Arthroscopic Treatment of Traumatic Anterior Shoulder Instability? Durmus A. Ocguder, Prof. TURKEY
ePoster #1835	Return to Sport After “Off Track" Arthroscopic Remplissage Procedure and Bankart Repair in Athletes Leonardo Osti, MD ITALY
ePoster #1836	Posterior Open Wedge Glenoid Osteotomy for Young Patients with Increased Retroversion and Posterior Shoulder Instability: Surgical Technique and Preliminary Results Jonas Pogorzelski, MD, PhD, MHBA GERMANY
ePoster #1838	Management of the Failed Latarjet Procedure: Outcomes of Revision Surgery with Fresh Distal Tibial Allograft Matthew T. Provencher, MD UNITED STATES
ePoster #1839	Modified Latarjet Procedure without Capsulolabral Repair for the Treatment of Failed Previous Operative Stabilizations in Athletes Luciano Rossi, PhD ARGENTINA
ePoster #1840	Acromio-Clavicular Joint Stablization with Dynamic System: Literature Review and Outcomes Mikhail Ryazantsev, MD, PhD RUSSIAN FEDERATION
ePoster #1841	Decreased Glenoid Retroversion and Caudal Inclination Are Not Risk Factors for Failure of Primary Arthroscopic Bankart Repair Andrew Sheean, MD UNITED STATES
ePoster #1844	The Effect of Scapular Spine Auto-Graft on Bony Stability of the Shoulder in Cases of an Anterior Glenoid Defect: A Cadaveric Study Marc Tompkins, MD UNITED STATES
ePoster #1845	A Suprascapular Nerve Arthroscopic Anterior and Posterior Release in Elite Volleyball Players George D. Tsikouris, MD GREECE
ePoster #1846	A Novel Three-Dimensional Method of Measuring Labral and Capsule Volume to Predict Recurrent Instability After Arthroscopic Bankart Repair Albert Lin, MD UNITED STATES
ePoster #1847	Variations in Glenoid Bony Morphology May Predict Recurrent Instability After Arthroscopic Bankart Repair Albert Lin, MD UNITED STATES
ePoster #1848	Arthroscopic Iliac Crest Autograft Augmentation to Treat Shoulder Instability with Bone Loss: Safety Profile and Short-Term Outcomes Ivan Wong, MD, FRCSC, MACM, Dip. Sports Med CANADA
ePoster #1849	A Reduction in the Rate of Nerve Injury Following Latarjet: A Before-After Study Following Neuromonitoring Jarret M. Woodmass, MD, FRCSC CANADA
ePoster #1850	Postoperative Recovery Comparisons of Arthroscopic Bankart to Open Latarjet for the Treatment of Anterior Glenohumeral Instability Jarret M. Woodmass, MD, FRCSC CANADA
ePoster #1851	Risk Factors and Outcomes of Revision Arthroscopic Posterior Shoulder Capsulolabral Repair in Contact Athletes Elan J. Golan, MD UNITED STATES
ePoster #1852	Surgical Outcomes for Treatment of Chronic Acromioclavicular Dislocation: A Systematic Review of Anatomic and Nonanatomic Techniques Nuno Sevivas, MD, PhD PORTUGAL

Shoulder - Other (17 e-Posters)
ePoster #1901	Subacromial Injection of High Volume versus Conventional Steroid Injection Guided by Ultrasound in Shoulder Pain: A Randomized Controlled Trial Carlos Acosta-Olivo, PhD, MD MEXICO
ePoster #1904	Analgesic Benefit of PECS II Blockade for Open Subpectoral Biceps Tenodesis: A Randomised, Prospective, Double-Blinded, Control Trial Michael T. Freehill, MD UNITED STATES
ePoster #1905	Clinical Outcome of Arthroscopic-Assisted Trans-Axillary First Rib Resection for Thoracic Outlet Syndrome Yusuke Iwahori, MD, PhD, Prof. JAPAN
ePoster #1906	Pectoralis Major Tendon Bony Avulsion Injury in a 15 Year Old Boy: A Case Report Neil Jain, BM, MRCS(Ed), FRCS(Tr&Orth) UNITED KINGDOM
ePoster #1907	Mapping Physical Functions of the Shoulder to ASES and PROMIS Scores Raymond J. Kenney, MD UNITED STATES
ePoster #1908	Acromioclavicular Ligament Patch Reconstruction: A Comparative Biomechanical Analysis Daichi Morikawa, MD, PhD JAPAN
ePoster #1909	Does the Humeral Retroversion Correlate with Shoulder Muscle Strength in University Baseball Players? Rei Morikura, MD JAPAN
ePoster #1910	Operative Management of Proximal Humerus Nonunions in Adults: A Systematic Review Diana C. Patterson, MD UNITED STATES
ePoster #1911	Orthopedic Shoulder Surgery in the Ambulatory Surgical Center: Safety and Outcomes Bruce Reider, MD UNITED STATES
ePoster #1912	Importance of Restoring the Anatomical Characteristics of Coracoclavicular Ligaments After Arthroscopic Reconstruction for High-Grade Acromicoclaviclar Joint Dislocations Katsumi Takase, MD, PhD JAPAN
ePoster #1913	Therapeutic Results and Function of Conoid Ligament on the Basis of Postoperative Radiographic Findings of Arthroscopic Stabilization for the Distal Clavicle Fractures Katsumi Takase, MD, PhD JAPAN
ePoster #1914	Adhesive Capsulitis: Understanding Risk Factors for Operative Intervention Vehniah K. Tjong, MD, FRCSC UNITED STATES
ePoster #1915	Validation of a Computer Tablet Software for Quantification of Scapular Motion During Clinical Assessment of Scapular Dyskinesia: Preliminary Results Tryfon Totlis, MD, PhD GREECE
ePoster #1916	Midshaft Clavicle Fractures: A Meta-Analysis Comparing Surgical Fixation via Anteroinferior Plating versus Superior Plating Peter S. Vezeridis, MD, MMS UNITED STATES
ePoster #1917	Magnetic Resonance Findings Using PETRA Imaging Which Made It Possible to Visualize Joint Capsules in Patients with Frozen Shoulder Kenji Yasui, MD JAPAN
ePoster #1917	Arthroscopic Subacromial Decompression for Shoulder Pain (CSAW): A Multi-Center Placebo-Controlled Randomized Surgical Trial David J. Beard, MA, MSc, DPhil, FBOA(Hon) FRCS(Hon), Prof. UNITED KINGDOM
ePoster #1918	Throwing Can Increase the Stiffness of the Scalene Muscle Masahito Yoshida, MD, PhD JAPAN

Shoulder - Rotator Cuff (42 e-Posters)
ePoster #2001	Evaluation of Footprint Contact Pressure and Area in Rotator Cuff Repair Using Conventional Suture-Bridge Technique, Knotless Suture-Bridge Technique, and "Dozen" Knotless Suture-Bridge Technique: Cadaveric Study Sittan Aimprasittichai, MD THAILAND
ePoster #2002	Three-Portal Arthroscopic Superior Capsular Reconstruction with a Minimally Invasive Harvested Fascia Lata Autograft: Good Shoulder Outcomes with Low Donor Site Morbidity Impact Clara Azevedo, MD, PhD PORTUGAL
ePoster #2003	Reliability of the Jobe Test in the Diagnosis of Supraspinatus Tears Jorge Cabrolier, MD CHILE
ePoster #2004	Do the Patient Characteristics Implicated by Basic Science Predict Conversion from Rotator Cuff Repair to Reverse Total Shoulder Arthroplasty? Evan A. O'Donnell, MD UNITED STATES
ePoster #2005	Isolated Subscapularis Repair in Irreparable Massive Rotator Cuff Tears Involving Subscapularis Tendon Yong-Min Chun, MD, PhD, Assoc. Prof. KOREA, REPUBLIC OF
ePoster #2006	Arthroscopic and Open/Mini-Open Rotator Cuff Repair: Ascertaining Practice Trends among Recent Fellowship-Trained Orthopaedic Surgeons David Constantinescu, BSc UNITED STATES
ePoster #2008	Does Resident Involvement Have an Impact on Postoperative Complications After Rotator Cuff Repair?: An Analysis of 1,598 Cases in the NSQIP Database Brian Forsythe, MD UNITED STATES
ePoster #2009	The Relationship between Resilience and Insurance Status: The Effect on Rotator Cuff Repair Outcomes Brian Forsythe, MD UNITED STATES
ePoster #2010	Acromial Thickness Decreases After Arthroscopic Rotator Cuff Repair Regardless of Knot Use Yukitaka Fujisawa, MD, PhD JAPAN
ePoster #2011	Alterations in Glenohumeral Force Distribution Following Rotator Cuff Injury and Repair Elan J. Golan, MD UNITED STATES
ePoster #2012	Functional and Structural Outcome in Patients with Re-Tear Who Had Large or Massive Cuff Tears Treated by Arthroscopic Surgery: Association with Tear Propagation After Re-Tear Masafumi Gotoh, MD, PhD JAPAN
ePoster #2013	Effects of Polydeoxyribonucleotide and Polynucleotide on Fatty Degeneration and Rotator Cuff Healing in Rat Model Jung-Taek Hwang, MD, PhD KOREA, REPUBLIC OF
ePoster #2014	Effect of Dexmedetomidine Combined with Interscalene Brachial Plexus Block in Arthroscopic Rotator Cuff Repair: A Randomized Controlled Trial Jung-Taek Hwang, MD, PhD KOREA, REPUBLIC OF
ePoster #2015	Latissimus Dorsi Tendon Transfer versus Superior Capsular Reconstruction for Treatment of Irreparable Massive Rotator Cuff Tears: A Retrospective Comparison Study with Short-Term Clinical Results Tiffany Kadow, MD UNITED STATES
ePoster #2016	Intraoperative Effect of Interscalene Brachial Plexus Block on Arthroscopic Rotator Cuff Repair Surgery Hyunseong Kang, MD KOREA, REPUBLIC OF
ePoster #2017	Comparison of Partial Repair and Allogenous Dermal Matrix Augmentation in Massive Rotator Cuff Tears Hyunseong Kang, MD KOREA, REPUBLIC OF
ePoster #2018	Rotator Cuff Anterior Cable Reconstruction with the Long Head of the Biceps Tendon Autograft Raymond J. Kenney, MD UNITED STATES
ePoster #2019	Arthroscopic Repair of the Isolated Subscapularis Full-Thickness Tear: Single-Row versus Double-Row Suture-Bridge Technique Chul Kim, MD KOREA, REPUBLIC OF
ePoster #2020	Arthroscopic Repair of Anterosuperior Massive Rotator Cuff Tear: Does Repaired Subscapularis Integrity Affect Outcomes? Yun-Jae Lee, MD KOREA, REPUBLIC OF
ePoster #2022	Prospective Cohort Study of Rotator Cuff Repairs: Pain and Function at 60 Months of 2,600 Shoulders Warren Leigh, FRACS NEW ZEALAND
ePoster #2025	Do Champagne Toast and Champagne Pour Clinical Tests Correlate with Location and Size of Rotator Cuff Tears? Gregory P. Nicholson, MD UNITED STATES
ePoster #2026	The Effect of Time Interval from MRI to Rotator Cuff Repair on Tear Size: Imaged versus Actual Tear Size Gregory P. Nicholson, MD UNITED STATES
ePoster #2027	Do Patient Characteristics Implicated by Basic Science Predict Rotator Cuff Repair Revision Surgery? Evan A. O'Donnell, MD UNITED STATES
ePoster #2028	Delay to Arthroscopic Rotator Cuff Repair Increases Revision Surgery Rates Evan A. O'Donnell, MD UNITED STATES
ePoster #2029	The Association between Critical Shoulder Angle and Atraumatic Rotator Cuff Tears Carlos I. Palomo-Pizarro, MD SPAIN
ePoster #2030	Serum Lipid Abnormalities Associated with Preoperative Rotator Cuff Tear Size and with Retear after Arthroscopic Repair Hyung Bin Park, MD, PhD, Prof. KOREA, REPUBLIC OF
ePoster #2032	Rotator Cuff Morphometry on MRI: An Observational Study of the Indian Population Suresh Perumal, MS(Orth) INDIA
ePoster #2033	Shoulder Bone Morphology and Morphometry Are Risk Factors for Rotator Cuff Tear: A Systematic Review and Meta-Analysis Nuno Sevivas, MD, PhD PORTUGAL
ePoster #2034	Preoperative Shoulder Injections Are Associated with Increased Risk of Subsequent Revision Rotator Cuff Repair Harris S. Slone, MD UNITED STATES
ePoster #2035	The One- to Five-Year Results of Superior Capsule Reconstruction Using Doubled Dermal Allograft for Irreparable Rotator Cuff Tear Martyn Snow, FRCS UNITED KINGDOM
ePoster #2036	The Influence of Intraoperative Repair Tension on the Rotator Cuff Integrity After Arthroscopic Repair Yoshitsugu Takeda, MD, PhD JAPAN
ePoster #2037	Preoperative Predictive Factors for Rotator Cuff Repair Tension during Arthroscopic Rotator Cuff Repair Yoshitsugu Takeda, MD, PhD JAPAN
ePoster #2038	Clinical and Structural Outcomes in Patients with Irreparable Cuff Tears Treated by Arthroscopic Partial Repair Koji Tanaka, MD, PhD JAPAN
ePoster #2039	How Safe and Effective Are Arthroscopic Procedures of Shoulder Joint under Isolated Regional Anesthesia? Aarthi Thiagarajan, DOrtho, DNB INDIA
ePoster #2040	Use of the Western Ontario Rotator Cuff (WORC) Index in a Normal United States Population Marc Tompkins, MD UNITED STATES
ePoster #2042	The Efficacy of Platelet-Rich Plasma (Endoret®) in Rotator Cuff Tendinopathy: A Randomized Controlled Trial Víctor Vaquerizo García, MD, PhD SPAIN
ePoster #2043	Outcome of Arthroscopically Assisted Lower Trapezius Transfer to Reconstruct Massive Irreparable Posterior-Superior Rotator Cuff Tears Eric R. Wagner, MD, MS UNITED STATES
ePoster #2044	Latissimus Dorsi Transfer for Irreparable Subscapularis Tear Eric R. Wagner, MD, MS UNITED STATES
ePoster #2045	Healing Rates of Massive Rotator Cuff Tears between Allograft Reconstruction versus Maximal Repair: A Prospective Randomized Controlled Trial Ivan Wong, MD, FRCSC, MACM, Dip. Sports Med CANADA
ePoster #2046	Superior Capsular Reconstruction Using Dermal Allograft: Early Outcomes and Survival Jarret M. Woodmass, MD, FRCSC CANADA
ePoster #2047	Complications of Arthroscopic versus Open Biceps Tenodesis in the Setting of Arthroscopic Rotator Cuff Repairs: An Analysis of the ABOS Database Marco Yeung, MD UNITED STATES
ePoster #2048	Can Scapular Function Preserve After Rotator Cuff Repair with Cuff Muscle Advancement for Massive Rotator Cuff Tears? Shin Yokoya, MD, PhD JAPAN

Sports Medicine (23 e-Posters)
ePoster #2102	Assessment of Head Collision Events During the 2018 FIFA World Cup Tournament Kevin X. Farley, BS UNITED STATES
ePoster #2103	The Effect of Triangulation Simulator Training on Arthroscopy Skills: A Prospective Randomized Controlled Trial Rachel M. Frank, MD UNITED STATES
ePoster #2104	Non-Game Injuries in Major League Baseball Michael T. Freehill, MD UNITED STATES
ePoster #2105	Acellular Stem Cell Derivatives for the Treatment of Muscle Injuries: A New Paradigm? Rodrigo Guiloff, MD, Prof CHILE
ePoster #2106	Postoperative Opioid Usage Following Outpatient Arthroscopic Sports Medicine Procedures Sommer Hammoud, MD UNITED STATES
ePoster #2107	Return to School Following Orthopaedic Sports Medicine Procedures: A Prospective Study of Adolescents and Young Adults Sommer Hammoud, MD UNITED STATES
ePoster #2108	Early Return to Play After Acromioclavicular Joint Stabilisation in Collision Athletes Using Twin Tailed Dog Bone Implants Gregory A. Hoy, FRACS, FAOrthA, FACSP, FASMF AUSTRALIA
ePoster #2109	Clavicle Fixation Allows Very Early Return to Collision Sport, but at What Price? Gregory A. Hoy, FRACS, FAOrthA, FACSP, FASMF AUSTRALIA
ePoster #2110	Prevention of the Shoulder Injuries Among Young Baseball Players: An Eight-Year Longitudinal Study Yoshihiro Kotoura, MD, PhD JAPAN
ePoster #2111	Fractures and Stress Reactions in Division I NCAA Track and Field Athletes: Do Low Vitamin D Levels Have a Predicative Effect? Adam D. Lindsay, MD, MS UNITED STATES
ePoster #2112	Profiling the Shoulder of the Professional Tennis Players Rosa Lopez-Vidriero, MD SPAIN
ePoster #2113	A Comparison of the Marx Activity Rating Scale (MARS) and the Hospital for Special Surgery Pediatric Functional Activity Brief Scale (HSS Pedi-FABS) Niv Marom, MD ISRAEL
ePoster #2114	Injuries in Elite Female Ski Jump Athletes R. Kyle Martin, MD, FRCSC UNITED STATES
ePoster #2115	Functional Soccer-Specific Exercises on Uneven Ground: Influence on Dynamic Stability of Lower Limbs and Knee in Correlation with Shot on Target Precision in Case of Young Soccer Players Natalia Mrozinska, MSc POLAND
ePoster #2116	Outcomes After Dermal Allograft Reconstruction of Chronic Pectoralis Major Tendon Ruptures Julie A. Neumann, MD UNITED STATES
ePoster #2117	Biomechanical Evaluation of a Single-Tunnel Coracoclavicular Ligament Reconstruction with Acromioclavicular Stabilization for Acromioclavicular Joint Injuries Julie A. Neumann, MD UNITED STATES
ePoster #2118	Incidents and Injuries in Beach Soccer: The First Prospective Video-Based Analysis of the Actions Before Beach Soccer Injuries Mason Porramatikul, MD THAILAND
ePoster #2119	Evaluation of Muscle Activity Just After Straight Leg Raising Exercise by Using 18FDG-PET Hiroyuki Shiozawa, MD, PhD, JAPAN
ePoster #2120	Insulin Dependence Is Associated with Increased Risk of Complications Following Shoulder and Knee Arthroscopy Harris S. Slone, MD UNITED STATES
ePoster #2122	Who Should You Be Following?: The Top 100 Social Media Influencers in Orthopaedic Surgery Nathan Varady, MD, MBA UNITED STATES
ePoster #2123	The Impact of Workman’s Compensation on Recovery After Biceps Tenodesis Eric R. Wagner, MD, MS UNITED STATES
ePoster #2125	Comparison of Injury Rate and Pattern of Collegiate Beach and Indoor Volleyball Alexander E. Weber, MD UNITED STATES
ePoster #2126	The Impact of a Standardized Multimodal Analgesia Protocol on Opioid Prescriptions After Common Arthroscopic Procedures Robert W. Westermann, MD UNITED STATES

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