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| - BICEPS FEMORIS - |
| ORIGIN: | Long head: upper inner quadrant of posterior surface of ischial tuberosity. Short head:middle third of linea aspera, lateral supracondylar ridge of femur |
| INSERTION: | Styloid process of head of fibula. lateral collateral ligament and lateral tibial condyle |
| ACTION: | Flexes and laterally rotates knee. Long head extends hip |
| NERVE: | Long head: tibial portion of sciatic nerve. Short head: common peroneal portion of sciatic nerve (both L5, S1) |
