Tyler Theroux came into the world with a brachial plexus birth injury that kept his left arm dysfunctional and contorted in pain. As a child, he couldn't engage in playground activities like the ...

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 ...

Many of these nerves make up the brachial plexus, a network of nerves that starts in the spine, pass through the armpit, and runs down the arm.