WebMD
Font Size
A
A
A

Sciatic Nerve

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 first 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 March 12, 2012

WebMD Medical Reference from Healthwise

Last Updated: March 12, 2012
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.