Medically reviewed by Nicholas R. Metrus, MDMedically reviewed by Nicholas R. Metrus, MD Almost all of us will have experienced a fasciculation at one time or another. A fasciculation is simply a ...

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or your foot that begins to spasm—sometimes for a few seconds, sometimes for ...

In 2021, just shy of my 25th birthday, I was in the best shape of my life—I had just hit personal records in preparation for my first powerlifting competition. But one day I bent down to pick ...

Do you ever have a muscle that seems to have a mind of its own, causing an uncontrollable twitch or spasm in your eyelid, leg or other part of your body? If so, you're in good company. These ...

The clinical distinction between myopathic and neurogenic disorders of the motor unit is often difficult, since both lesions appear as flaccid, areflexic paralyses, often with variable muscular ...