The sciatic nerve is the largest nerve in the body, formed by nerve
roots coming out of the spinal cord in the lower back. The nerve goes down through the buttock, then its branches extend down the back of the leg to the
ankle and foot.
By
Healthwise Staff
Primary Medical Reviewer
William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Specialist Medical Reviewer
Robert B. Keller, MD - Orthopedics
Last Revised
July 21, 2010
WebMD Medical Reference from Healthwise
Last Updated:
July 21, 2010
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