Muscle
Semimembranosus
Medial hamstring, broad tendon
High-yield
Deep to semitendinosus; medially rotates the flexed leg. Tibial division of the sciatic nerve.
Overview
A medial hamstring deep to semitendinosus with a broad membranous proximal tendon, flexing the knee and extending the hip.
Reference facts
- Origin
Ischial tuberosity
- Insertion
Posterior part of the medial condyle of the tibia
- Action
Flexes the knee, medially rotates the flexed leg, and extends the hip
- Innervation
Tibial division of the sciatic nerve (L5, S1, S2)
- Blood supply
Perforating branches of the deep femoral artery