Semimembranosus: Origin, Insertion, Action & Nerve Supply
The semimembranosus is flattened and broad muscle. It is located underneath the semitendinosus.
Function of the Semimembranosus
Flexion the knee joint. Extension of thigh at the hip joint. Medially rotates the thigh at the hip joint and the leg at the knee joint.
Nerve Supply of the Semimembranosus
Tibial part of the sciatic nerve.