Question: what is the origin and insertion of biceps femoris?
Answer: Origin and insertion Biceps femoris is the most lateral hamstring muscle located in the posterior thigh. ... The long head of biceps femoris muscle originates from the medial facet (inferomedial impression) of ischial tuberosity, medial to the origin of semimembranosus and superior to the origin of adductor magnus muscle.