Arm pain can also come from a heart condition. That's one cause doctors always want to rule out, especially when someone complains of pain in the upper left arm. Instead of being muscular or joint ...

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 ...

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

The biceps will tear causing significant shoulder and brachial pain (upper arm) accompanied by a feeling of a “bump” which many refer to as the “popeye arm” in which the muscle belly of ...