This lesson covers the function of the knee joint and the anatomy of the femur, tibia and fibula along with the various ligaments including the medial and lateral collateral ligaments, the posterior cruciate and the anterior cruciate ligaments. Muscles include the vastus medialis, lateralis and intermedius, along with the rectus femoris, semimembranosus, semitendonosus, biceps femoris, gastrocnemius and others.