Muscle Atlas


Origin: From common tendon with long head of biceps femoris from superior medial quadrant of the posterior portion of the ischial tuberosity
Insertion: Superior aspect of medial portion of tibial shaft
Action: Extends the thigh and flexes the knee, and also rotates the tibia medially, especially when the knee is flexed
Innervation: Tibial nerve
Arterial Supply: Perforating branches of profunda femoris artery, inferior gluteal artery, and the superior muscular branches of popliteal artery

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