Median Nerve

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Arm, Elbow, Wrist & Hand
Carpal Tunnel Syndrome


Median Nerve Definition by Healthwise:

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.

Author: Shannon Erstad, MBA/MPH
Medical Review: William M. Green, MD - Emergency Medicine
Patrick J. McMahon, MD - Orthopedics
David Pichora, MD, FRCSC - Orthopedic Surgery
Last Updated: October 29, 2008

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