There are four muscles that form a cover for the top of the humerus (bone of the upper arm ... It may cause left arm pain (or ...
Just as in angina, heart attacks can cause sudden left arm pain. A 2013 study found that 17% of the surveyed people who had heart attacks also had radiating pain down the shoulder, upper arm ...
"My shoulder pain wakes me up if I roll over on that side during the night." Those are two of the most common statements made by tennis players complaining of shoulder and upper arm pain.