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.
PRESENTER:Bones called ribs protect our heart and lungs ... For example, our elbow joint in the arm has two muscles, to move your forearm up and down. these are the biceps that pull your arm ...