The ultrasound showed that a large unidentified mass, possibly a peripheral nerve sheath tumor, was compressing the radial nerve, which extends from armpit to hand. The surgeon told Brenner that ...

The brachioradialis is a large forearm muscle that helps bend the elbow, especially when the hand is in a neutral position, like holding a cup. Controlled by the radial nerve, it also assists with ...

Kyle Barraclough, acquired to handle the seventh inning for the Washington Nationals, has spent much of the season struggling, and is now on the 10-day injured list with right radial nerve irritation.

Detroit Tigers rookie Colt Keith won't play in Friday's game against the Yankees because he's "a little banged up," according to manager A.J. Hinch.