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Sciatic nerve

• Root value: L4,5 S1,2 and 3
• Leave the pelvis through the greater sciatic foramen below piriformis
• Accompanied by posterior cutaneous nerve of thigh posteriorly
• Has two terminal branches
  • Tibial nerve
  • Common peroneal nerve
• Supplies the whole of lower limb except the medial and anterior compartments of thigh

Author:  Dr Shakeeb Khan

Last updated: 05 January 2008

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