The biceps femoris is a hamstring muscle in the posterior compartment of the thigh that assists in movements of the hip, thigh, knee, and lower leg. It consists of two heads: the long head is the lateral portion and the short head is the medial portion. The biceps femoris forms the lateral border of the popliteal fossa.
This muscle is responsible or assists with the following joint movement(s):
Exercises that involve this muscle: