MCL Injuries

Introduction

The medial collateral ligament (MCL) is located along the inner side of the knee, stretching from the femur (thighbone) to the tibia (shinbone) and aids in stabilizing the inner part of the knee. The MCL is the most important structure of the knee in preventing the inner part of the knee from gapping open when the tibia is stretched out.

MCL injuries occur most commonly during sports, but can also occur from a fall or twisting injury. The majority of MCL sports injuries occur when a player slide tackles and the knee experiences a force that bends the tibia outwards in relation to the femur. An MCL injury can be the sole injury as a result of this action or there can be a simultaneous injury to the anterior cruciate ligament (ACL).

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