Pain in the right shoulder and arm can occur due to injury ... A shoulder dislocation happens when the top of your humerus pops out of its socket in your shoulder. This occurs often due to ...

Pain in your left arm can have many different causes ... There are four muscles that form a cover for the top of the humerus ...

Arm pain is a common experience with many possible causes. Acute injury, overuse (wear and tear), and underlying conditions ...