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 ...

Q. What causes muscle twitches? They occur all over my body and drive me crazy. Can I take anything to alleviate them? A. Muscle twitching (the medical term is "fasciculation") is common and usually ...

Diaphragm flutter — also known as diaphragmatic flutter or diaphragmatic myoclonus — is a rare disorder in which your diaphragm experiences repeated involuntary contractions. The diaphragm is a muscle ...

In most cases, a strained chest muscle can be treated at home. However, it’s important to know when to call your doctor if it does happen. Overview A strained or pulled chest muscle may cause a sharp ...

Involuntary head twitching may range from neck spasms to uncontrolled tremors. Causes may include several movement disorders, such as Tourette syndrome and Parkinson’s disease. Involuntary head ...

Spinal muscular atrophy (SMA) is a group of diseases that impact motor neurons, a special type of cell in your spinal cord and brain. These neurons control movement in your arms, legs, chest, face, ...