Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...

Dear Dr. Roach • I am a 68-year-old woman in good health. For the past several days, I have had muscle twitches all over my body — subtle ones, but nevertheless almost constant. This odd event has me ...