semitendinosus (muscle)

sem·i·ten·di·no·sus (mus·cle)

[TA]
superficial medial hamstring muscle of posterior (flexor) compartment of thigh; origin, ischial tuberosity; insertion, medial surface of the upper fourth of shaft of tibia; action, extends thigh, flexes leg and rotates it medially; nerve supply, tibial.
Synonym(s): musculus semitendinosus [TA]