Semimembranosus muscle

Last revised by Assoc Prof Craig Hacking on 05 Jun 2021

The semimembranosus muscle is one of the hamstring muscles in the posterior compartment of the thigh and accompanies the semitendinosus muscle in the medial aspect of the posterior thigh. It is named for its flattened membranous tendon of its ischial attachment.

Its lateral border forms the superomedial border of the popliteal fossa.

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