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

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.

Lower your arm if you feel pain in your shoulder. Bring your right arm across your chest. Place it in the crease of your left elbow, or use your left hand to support your arm. Hold this position ...

Struggling with arm pain while throwing? 😖⚾ Trevor Bauer shares must-know tips to prevent injuries, improve recovery, and keep your arm feeling strong. Whether you're a pitcher or just love the game, ...