The brachial plexus is a network of nerves that originate near the neck and shoulder. These nerves begin at the spinal cord in the neck and control the hand, wrist, elbow, and shoulder.

Proper motor function depends on an intact nerve complex to conduct impulses between the central and peripheral nervous systems. Neurons, consisting of are incapable of undergoing mitosis after birth.

About one in 1,000 children are born with brachial plexus birth injury (BPBI), upper extremity weakness or paralysis resulting from trauma to the brachial plexus nerves during childbirth.

Complete brachial plexus (C5–T1) avulsion from the spinal ... of importance when assessing the outcome of future nerve and spinal cord repair strategies.