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Biceps Femoris: Difference between revisions
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Revision as of 16:28, 6 April 2022
This article is a stub.
| Biceps Femoris | |
|---|---|
| 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 |
