UpToDate
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Anterior cruciate ligament injury

Author

Ryan P Friedberg, MD

Clinical Instructor, Department of Emergency Medicine

Harvard Medical School

Section Editor

Karl B Fields, MD

Editor-in-Chief — Primary Care Sports Medicine (Adolescents and Adults)

Section Editor — Biomechanics, Rehabilitation, and Recovery; Sports-Related Injuries; Symptom Assessment and Physical Examination

Professor of Family Medicine and Sports Medicine

University of North Carolina at Chapel Hill

Deputy Editor

Jonathan Grayzel, MD, FAAEM

Senior Deputy Editor — UpToDate

Deputy Editor — Adult and Pediatric Emergency Medicine

Deputy Editor — Primary Care Sports Medicine (Adolescents and Adults)

Assistant Professor of Emergency Medicine

University of Massachusetts Medical School

Peer Reviewer

Reviewers are not identified on topic reviews to preserve anonymity