Myoclonus is a fast, sudden muscle movement, like a twitch or jerk. It can be harmless and happen for normal reasons or it can be a symptom of a medical condition.

Apr 7, 2025 · Myoclonus is a type of uncontrollable movement that includes sudden, brief involuntary twitching, jerking, or spasm of a single muscle or a group of muscles. A person experiencing …

Dec 12, 2025 · Muscle twitches are usually due to a benign cause like stress or muscle fatigue. Learn what else can cause them and the signs of a more serious condition.

Nov 27, 2025 · An involuntary movement occurs when you move your body in an uncontrollable and unintended way. Learn more about the causes and treatments.

Sep 14, 2024 · Having muscle twitching all over your body or at rest? Expert neurologist explains common causes, ALS vs normal twitching, and when it’s time to see a doctor.

Aug 27, 2024 · Many factors can cause a muscle twitch, including exercise, deficiencies, and health conditions. Learn about the causes and treatments.

Feb 7, 2025 · Understanding Muscle Twitches Muscle twitches, medically referred to as fasciculations, are involuntary contractions of small muscle fibers that can occur in any part of the body. These brief …

Nov 26, 2025 · Twitching, jerking, and other involuntary movements can be alarming symptoms that signal a change in the body’s neurological function. This group of symptoms is medically classified …

Jun 17, 2024 · Muscle spasms are sudden involuntary muscle contractions that are usually quite painful. Learn about the causes & treatment.

Jun 15, 2023 · Muscle twitching refers to minor, involuntary contractions of a particular muscle. Learn more about what causes it and how doctors can treat it.