by Dr. Gary Farr on 27 June 2002
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© Copyright 2000-2005, BecomeHealthyNow.com, Inc. All rights reserved.
Biceps Femoris - Long Head
by Dr. Gary Farr on 27 June 2002
1
Origin Long head from common tendon with semitendinosus from superior medial quadrant of the posterior portion of the ischial tuberosity; short head from 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 Long head by tibial nerve; short head by common peroneal nerve Arterial
SupplyPerforating branches of profunda femoris artery, inferior gluteal artery, and the superior muscular branches of popliteal artery
© Copyright 2000-2005, BecomeHealthyNow.com, Inc. All rights reserved.