Ballism is a rare symptom of some neurological disorders, strokes, or tumors. It causes violent, uncontrollable motions on one side of your body, usually in your arm and shoulder. This may look like you're flinging your arm forcefully.
Ballism is a rare symptom of some neurological disorders, strokes, or tumors. It causes violent, uncontrollable motions on one side of your body, usually in your arm and shoulder. This may look like you're flinging your arm forcefully.