The rotator cuff is a group of tendons and muscles that cover the top of the humerus (a bone in your upper arm) and attach to the shoulder. A rotator cuff tear, which occurs when one of the ...

Find out why this wide muscle, located in your back, may ache. Here's how to recognize the symptoms of latissimus dorsi pain, ...

“You know you’re doing things right when you’re never being pulled out of ... target some of the muscles in the upper back to help with that posture.” Weightless arm exercises often ...

Pain in your left arm can be due to a number of causes, not just a heart attack. Other causes like a muscle sprain ... radiating pain down the shoulder, upper arm, and forearm.