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URL of this page: //medlineplus.gov/ency/imagepages/8842.htm
Torn lateral collateral ligament
Overview
A torn (LCL), is an injury to the lateral collateral ligament, a ligament extending from the top-outside surface of the fibula to the bottom-outside surface of the femur. The ligament prevents the knee joint from side-to-side (lateral) instability.
Review Date 6/4/2025
Updated by: C. Benjamin Ma, MD, Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery, San Francisco, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
