Pain in your left arm can have many different causes, from injuries and muscle strain to a pinched ... for the top of the ...

You use your triceps muscle in your upper arm to extend ... especially when someone complains of pain in the upper left arm. Instead of being muscular or joint-related, pain might actually be ...

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 ...