WebMD
Font Size
A
A
A

Median Nerve

The median nerve runs the length of the arm, passes through the wrist (within the carpal tunnel), and ends in the hand. It controls some movement in the thumb and gives sensation to the thumb, index finger, middle finger, and half of the ring finger.

By Healthwise Staff
Primary Medical Reviewer Adam Husney, MD - Family Medicine
Specialist Medical Reviewer David Pichora, MD, FRCSC - Orthopedic Surgery
Last Revised October 21, 2010

WebMD Medical Reference from Healthwise

Last Updated: October 21, 2010
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.