A muscle spasm, also known as a cramp ... But they can also happen in one's arms, feet, or hands, and sometimes even in one's stomach muscles or along the rib cage. "They can involve part or ...

Q. I heard that Botox can help if you have shaky hands. Is that true? A. “Shaky hands” is a symptom of “essential tremor,” which is the most common movement disorder. The medical community calls ...