Semidendinous muscle
Last reviewed: 23.04.2024
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The semitendinous muscle (m.semitendinosus) begins with the long head of the biceps femoris on the sciatic hillock. At the level of the middle thirds of the femur passes into a long tendon that follows down on the posterior medial side of the knee and is attached to the medial surface of the upper part of the tibia (participates in the formation of the superficial goose paw).
Function of the semitendinous muscle: unbends the thigh, bends the lower leg; When the knee is bent at the knee joint, it turns to the inside.
Innervation of the semitendinous muscle: tibial nerve (LIV-SI).
Blood supply to the semitendinous muscle: perforating arteries.
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