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Brachial Plexus Injury – Overview

May 3, 2021


Brachial plexus refers to the nerves that come forward from the cervical spine and control all the movements of the arm and hand. The cervical spine, they're numbered cervical one, two, three, four, five, six, seven in the thoracic takeoff from there. Roots number five, six, seven, eight, and thoracic number one come together to form what is the brachial plexus. These nerves exit the spine. They pass between two muscles referred to as the scalene muscles. They go into the clavicle and then they go on to form the major nerves of the arm and hand. So an injury to this bundle of nerves after it comes out of the spinal cord can result in pain, weakness, numbness, or complete paralysis of the limb.

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