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Biceps Femoris: Difference between revisions
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Revision as of 16:40, 6 April 2022
This article is a stub.
Biceps Femoris | |
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Muscle Type | |
Origin | long head: medial facet of the ischial tuberosity
short head: lateral linea aspera and lateral supracondylar line of the femur and adjacent intermuscular septum |
Insertion | fibular head, crural fascia and lateral tibial condyle |
Action | flexes knee joint
laterally rotates knee joint (when the knee is flexed) extends hip joint (long head only) external rotation of the thigh (long head only) |
Synergists | |
Antagonists | Quadriceps Femoris |
Spinal innervation | L5, S1, S2 |
Peripheral Innervation | long head: Tibial Nerve, short head: Common Peroneal Nerve |
Vasculature | inferior gluteal artery
perforating arteries popliteal artery |