Wikis > Anatomy > Muscles > Proximal Muscles > Semitendinosus

Proximal attachment – lower medial facet of ischial tuberosity  fusiform muscle belly  long tendon
Distal attachment – upper 1/4 of medial surface of tibia (combined with biceps femoris) – just posterior to insertion of sartorius
Function – hip extension and knee flexion (medial rotation of leg when knee flexed)
Nerve supply – tibial division of sciatic nerve (L5, S1, S2)

Semitendinosus, semimembranosus and biceps femoris  the ‘hamstrings’

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