Wikis > Anatomy > Muscles > Proximal Muscles > Semimembranosus

Posteromedial aspect of thigh, deep to semitendinosus
Proximal attachment – ischial tuberosity
Distal attachment – posterior medial surface of medial tibial condyle
Function – hip extension and knee flexion (medial rotation of leg when knee is flexed)
Nerve supply – tibial division of sciatic nerve (L5, S1, S2)

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