Interpretation of clinical findings of BPI in newborns depends on knowledge of peripheral nervous system (PNS) structures and physiology. All nervous system structures originate from the embryonic ...

The brachial plexus is a rich network of nerves that originates in the upper spinal cord and extends to the upper extremities. It transmits sensory and motor impulses to each arm, hand, and shoulder.

A dermatome is an area of skin supplied by a single spinal nerve. There are 31 pairs of spinal nerves, forming nerve roots that branch from your spinal cord, but only 30 dermatomes. Your spinal nerves ...

Reconstruction surgery may not work for some people with severe brachial plexus injuries, so they choose to undergo amputation. In a retrospective review by Mayo Clinic researchers, these patients ...

Brachial plexus injuries are typically caused by traction of the arm at birth and by road traffic accidents. They result in loss of sensation and movement in all or part of the arm and can be ...