Minor muscle spasming can occur due to health conditions like nutrient deficiencies. More severe twitching can be a symptom of serious health conditions, including those affecting the nervous system.

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 ...

The random muscle twitch is at best annoying and at worst, a sign of a neurological condition. Meet the Experts: Christopher Fry, Ph.D. associate professor of athletic training and clinical ...