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.
Current as of: August 25, 2022
William H. Blahd Jr. MD, FACEP - Emergency Medicine & Adam Husney MD - Family Medicine & Martin J. Gabica MD - Family Medicine