Fluttering Arms, Aching Calves, Bursting Lungs: 'Swan Lake' Is a Ballerina's Mount Everest NEW YORK (AP) — Rehearsing “Swan Lake” a few weeks ago in a sweaty studio, trying to iron out some ...

Pain in your arms is a common symptom with many different causes, from arthritis and overuse injuries like tendonitis to a heart attack.

Mysterious arm pain that seemingly comes out of nowhere can arise if any of these are affected. Motions such as lifting, bending, swinging or raising your arms overhead all take an insidious toll.