But bones are unable to move on their own ... The elbow joint has two muscles that move the forearm up or down. These are the biceps on the front of the upper arm and the triceps on the back ...
Sudden or repetitive injuries to muscles, ligaments, nerves, joints, or bones are the most common causes of forearm pain. Sometimes, forearm pain is a sign of an underlying condition like arthritis.
VATICAN CITY (Reuters) - Pope Francis injured his right forearm after a fall in his residence on Thursday but did not suffer any broken bones and continued on with his agenda for the day ...