Semitendinosus muscle

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The semitendinosus muscle is a muscle of the inner thigh that connects the pelvis to the tibia. It acts to flex and medially rotate the knee and to extend the hip. It is one of the hamstrings.

Contents

Origin

The semitendinosus muscle originates from the pelvis, at the posterior surface of the ischial tuberosity on the ischium bone.

Insertion

The semitendinosus muscle inserts on the tibia, at the upper medial shaft, just below the gracilis.

Innervation

The semitendinosus muscle is innervated by the tibial nerve, a branch of the sciatic nerve.

See also

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