Keep reading to learn more about rotator cuff conditions and other potential causes of right shoulder and arm pain. The rotator cuff is a group of muscles and tendons that keep your upper arm bone ...

That tendon continues downward and attaches to ... of the triceps originates on the shoulder blade, rather than the upper arm bone, you can stretch the long head a bit by putting your arms overhead.

Each of these four muscles has a tendon by which it ... Pain over the side aspect of the upper area (police patch area) 2.