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Sciatic Nerve
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| Sciatic Nerve | |
|---|---|
| Nerve Type | Mixed nerve |
| Origin | L4, L5, S1, S2, S3 |
| Course | Exits the pelvis through the greater sciatic foramen to enter the leg between ischial tuberosity and femoral greater trochanter, then courses inferiorly through the posterior compartment of the thigh. |
| Major Branches | Tibial Nerve, Common Peroneal Nerve |
| Sensory innervation | No direct sensory function, but has indirect sensory supply to the foot (tibial nerve, common peroneal nerve) and leg (except medial portion which is saphenous nerve) |
| Motor innervation | Extensive motor innervation to thigh, leg, ankle, foot. |
