<prompt> True about semitendinosusSupplied by common peroneal pa of sciatic nerveProximal fleshy and Distally thinDistal fleshy and Proximally thinProximal and distal thin but middle pa is fleshy  <response>: Semitendinosus - Origin- semitendinosus origins From the inferomedial Into the upper pa of the Tibial pa of ischial tuberosity, in common with the long head of biceps femoris. It is so named because it is muscular in upper pa fleshy and has a long tendon of inseion thin . It lies posteromedially in the thigh, superficial to the semimembranosus. Inseion- It is inseed into the upper pa of the medial surface of the tibia behind the saorius and the gracilis. nerve supply - tibial pa of sciatic nerve L5, S1,S2 Ref : B D Chaurasias Human Anatomy , seventh edition , volume 2 , pg. no.90 table no. 7.1 