The fibular collateral ligament is the continuation of

Fibular collateral ligament is a degenerated pa of Peroneus Longus muscle.Oblique popliteal ligament is a continuation of semimembranosus muscle. It lies in the floor of the popliteal fossa.The tibial collateral ligament represents the degenerated pa of Adductor Magnus.The sacrotuberous ligament represents the degenerated pa of the long head of biceps femoris.Sacrospinous ligament represents the degenerated pa of Coccygeus muscle.