True regarding semitendinosus ?: (A) Supplied by common peroneal pa of sciatic nerve, (B) Proximal flashy distal thin, (C) Distal flashy proximal thin, (D) Proximal and distal thin middle fleshy
Answer is D. Semitendinosus is a fusiform (spinadle shaped) muscles with main mass in middle of it. It arises in thin tendon from ischial tuberosity and ends in a long tendon to inse on medial surface of proximal pa of tibia. o It is supplied by tibial pa of sciatic nerve.