Pain in your arms is a common symptom with many different causes, from arthritis and overuse injuries like tendonitis to a heart attack.
Pain in your left arm can have many different causes, from injuries and muscle strain to a pinched nerve or sprain. In some ...
Mysterious arm pain that seemingly comes out of nowhere can arise if any of these are affected. Motions such as lifting, bending, swinging or raising your arms overhead all take an insidious toll.