The posterolateral corner (PLC) of the knee is formed by the iliotibial band, lateral collateral ligament, biceps femoris, midthird capsular ligament, popliteus muscle complex, and the lateral head of the gastrocnemius. Biomechanically, the most important structures are the lateral collateral ligament and the popliteus complex. The PLC functions primarily to resist varus rotation, external tibial rotation, and posterior tibial translation. Knowledge of the anatomy and biomechanics of the PLC is essential in the diagnosis and treatment of injuries isolated or associated with rupture of the cruciate ligaments. Copyright © 2012 by Lippincott Williams & Wilkins.
The Posterolateral Corner of the Knee Anatomy: Surgical Approach and Biomechanics.
Bonasia DE;ROSSI, Roberto
2012-01-01
Abstract
The posterolateral corner (PLC) of the knee is formed by the iliotibial band, lateral collateral ligament, biceps femoris, midthird capsular ligament, popliteus muscle complex, and the lateral head of the gastrocnemius. Biomechanically, the most important structures are the lateral collateral ligament and the popliteus complex. The PLC functions primarily to resist varus rotation, external tibial rotation, and posterior tibial translation. Knowledge of the anatomy and biomechanics of the PLC is essential in the diagnosis and treatment of injuries isolated or associated with rupture of the cruciate ligaments. Copyright © 2012 by Lippincott Williams & Wilkins.
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