A dull feeling in your left arm could be from overuse or strain. Learn what causes pain on this part of the arm here and ...

Warning signs of a torn rotator cuff are typically ... tendon (or one of the other rotator cuff tendons) becomes detached from the humerus (upper arm bone) bone's head and can't heal itself ...

Older patients who dislocate their shoulder may sustain a large tear of the rotator cuff tendon when they fall. This tendon is made up of four muscles that allow active motion of the shoulder. When ...