Biceps Femoris: Short Head - 3D Animation

Video Description

Origin:
Lateral lip of linea aspera, lateral supracondylar ridge of femur, and lateral intermuscular septum of thigh.

Insertion:
Primarily on fibular head; also on lateral collateral ligament and lateral tibial condyle.

Action:
Flexes the knee, and also rotates the tibia laterally; long head also extends the hip joint.

Innervation:
Common peroneal nerve (L5, S1, S2).

Arterial Supply:
Perforating branches of profunda femoris artery, inferior gluteal artery, and the superior muscular branches of popliteal artery.