Posterior antebrachial cutaneous nerve
Nervus cutaneus antebrachii posterior · Zadní kožní nerv předloktí
Nervous system
Looks like
A skin branch of the radial nerve that comes out on the outer back of the arm and runs down the back of the forearm.
What it does
Brings feeling from the skin of the back of the forearm.
Keeping it well
Rarely injured alone; can be irritated in elbow surgery.