John J. Joyce Award

2019 Cancun, MEXICO

First Place
Absence of Ligament Progenitor Cells in the Pediatric Knee Anterolateral Complex
Tomoya Iseki, MD UNITED STATES

Second Place
Primary Stability of an Acromioclavicular Joint Repair Is Affected by the Type of Additional Reconstruction of the Acromioclavicular Capsule
Felix Dyrna, MD GERMANY

2017 Shanghai, CHINA

First Place
The Management of the Long Head of the Biceps in Rotator Cuff Repair: Prospective Cohort Study of High Versus Subpectoral Tenodesis
Edoardo Franceschetti, MD ITALY

Second Place
High Activity Level and Return to Sports Following Knee Osteotomy in Young Athletic Patients
Suzanne Witjes, MD IRELAND

2015 Lyon, FRANCE

First Place
A 20 Year Longitudinal Prospective Evaluation of Endoscopic ACL Reconstruction with Patellar Tendon Autograft
Simon M. Thompson, MBBS, BSc(Hon), MSc MD(Res), FRCS(Tr & Orth) AUSTRALIA

Second Place
Evaluation of Risk to the Suprascapular Nerve During Arthroscopic SLAP Repair: Is a Posterior Portal Safer?
Mark Sando, MD USA

2013 Toronto, CANADA

First Place
The Segond Fracture: Just an X-Ray Clue for a Ruptured Anterior Cruciate Ligament?
Steven Claes, MD BELGIUM

Second Place
Pain-Related Cytokines in Osteochondral Lesions of the Talus: A Role for Prognosis and Risk Factors for Arthritis?
Ariel Palanca, BS, MD USA

2011 Rio de Janeiro, BRAZIL

First Place
Vascular Safe Zones during Hip Arthroscopy
Frank McCormick, MD USA

Second Place
The Lateral Tibial Tunnel in Revision Anterior Cruciate Ligament Surgery: A Biomechanical Study of a New Technique
Hans Van Der Bracht, MD BELGIUM

2009 Osaka, JAPAN

First Place
Comparison of Open Versus Arthroscopic Fixation for Isolated PCL Tibial Bony Avulsions: A Prospective Randomized Study with Minimum 2 Year Follow‐Up
Dinshaw Noshir Pardiwala, MD INDIA

Second Place
Biomechanical Study and Preliminary Results for a Newly Developed Arthroscopic Coracoclavicular Ligament Reconstruction Using Tendon Graft
Yon‐Sik Yoo, MD SOUTH KOREA

Third Place
Surgical Treatment of Osteochondral Lesions of the Talus with a New One‐step Arthroscopic Procedure
Sandro Giannini, MD ITALY

2007 Florence, ITALY

First Place
Lower Extremity Neuromuscular Activation and Biomechanical Compensations Five Years Following ACL Reconstruction
John Nyland, MD USA

Second Place
Semitendinosus Tendon Regeneration After ACL Reconstruction
Toru Fukubayashi, MD Japan

Third Place
Does Double-Bundle PCL Reconstruction Really Provide Better Stability Than Single-Bundle Reconstruction? A Biomechanical Analysis
Alexandre Estavao Vamos Kokron, MD Brazil

2005 Hollywood, USA

First Place
Single versus Double-Bundle Anterior Cruciate Ligament Reconstruction Using Multi-stranded Hamstring Tendons
Nobuo Adachi, Mitsuo Ochi, Yuji Uchio, Junji Iwasa, Masataka Deie, Masakazu Kuriwaka, Yohei Ito, JAPAN (all authors)

Second Place
Free Soft-Tissue Allografts Show Delayed Revascularization and Restoration of Their Biomechanical Properties in Comparison to Autograft ACL Reconstructions
Sven Scheffler, Tanja Schulz, Frank Unterhauser, Andreas Weiler, GERMANY (all authors)

Third Place
Females Demonstrate Unsafe Landing Kinematics During Lateral Jump Landing Tasks Implicated in Noncontact ACL Injuries
Timothy Sell, Cheryl Ferris, John Abt, Yung-Shen Tsai, Joseph Brian Myers, Freddie Fu, Scott Lephart, USA (all authors)

2003 Auckland, NEW ZEALAND

First Place
Intra-articular Hyaluronic Acid Supplementation Following Autogenous Osteochondral Grafting (Mosaicplasty) of the Knee
Anthony Miniaci, USA; Graham Tytherleigh-Strong, UNITED KINGDOM; Mark Hurtig, CANADA

First Place
Mechanical and Histological Analysis of the Chronically Relaxed ACL After Thermal Radio-Frequency Shrinkage in a Sheep Model
Sven U. Scheffler, Veronika Schoenfelder, Patrick Hunt, Heike Chwastek, Norbert Suedkamp & Andreas Weiler, GERMANY (all authors)

Third Place
Occult Osteochondral Lesions Associated with ACL Rupture: A 13 Year MRI Follow-up Study
David A. Parker, AUSTRALIA, Adrian J. Trivett, Lisa Thain, Alison Spouge, CANADA, Annunziato Amendola, USA & Peter J. Fowler, CANADA

2001 Montreux, SWITZERLAND

First Place
Second-Look Arthroscopy of Anterior Cruciate Ligament Grafts with Multistranded Hamstring Tendons
Yukiyoshi Toritsuka MD, PhD JAPAN

1997 Buenos Aires, ARGENTINA

Alfredo Panni, MD ITALY
KM Chan, MD HONG KONG
John Bergfeld, MD USA

1995

Evan Ekman, MD USA
Shaw Akizuki, MD JAPAN
Daniel Julio DeAntoni, MD ARGENTINA

1993

Freddie Fu, MD USA
M. Mike Malek, MD USA
Mitsuo Ochi, MD JAPAN

1991

Dieter Kohn, MD GERMANY
Paul Marks, MD CANADA
Mark Rodosky, MD USA

1989

Philippe Neyret, MD FRANCE
Craig Morgan, MD USA
Konsei Shino, MD JAPAN

1987

Kevin Angel, MD AUSTRALIA
Dieter Kohn, MD GERMANY
Konsei Shino, MD JAPAN

1984

Gregory Keene, MD AUSTRALIA
J.Y. DuPont, MD FRANCE
Darrel Ogilvie-Harris, MD CANADA

1981

James Glick, MD USA
Darrel Ogilvie-Harris, MD CANADA
Terry Whipple, MD USA