Pain in your left arm can have many different causes, from injuries and muscle strain to a pinched nerve or sprain. In some ...

Medically reviewed by Lauren Schlanger, MD Arm pain may be caused by injuries, overuse, arthritis, and nerve problems. Most ...

From your shoulders to your fingers, your arms have many moving parts: joints, bones, muscles, nerves, tendons and ligaments. Mysterious arm pain that seemingly comes out of nowhere can arise if ...