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 ...

Are your muscles twitching constantly with no clear cause? You may be experiencing Benign Fasciculation Syndrome (BFS)—a harmless but frustrating condition. In this video, we break down what BFS is, ...

While sitting still at your desk or watching TV, you sense a feeling of muscular discomfort in your arm or leg. It’s not quite a charley horse, but you can see your skin pulsating involuntarily, as if ...