Structure
The arcuate popliteal ligament is a broad band that arises from the posterior aspect of the head of the fibula. Its fibers pass superomedially, passing over the tendon of the popliteus muscle, to blend with the posterior fibers of the fibrous layer of the articular capsule of the knee joint.
Related parts of the anatomy
Function
The arcuate popliteal ligament plays an important role in restraining excessive external tibial rotation.
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Joint Ligament
Entheseal structures are widely located throughout the body and are represented by the interface between bone and several tissues including tendon, joint capsules and ligaments.