Diaphragm spasms feel like twitches in the area between the chest and the abdomen. They can occur with or without pain. Possible causes include an injury, nerve irritation, or a rare condition known ...

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 ...

Hiccups happen when a person’s intake of air becomes momentarily blocked. Possible causes include gas in the stomach, eating spicy food, and underlying medical conditions such as gastrointestinal and ...

Oh, my aching...fill in the blank. What causes the sudden, sharp pain of a muscle cramp? A normal muscle contraction happens when the brain sends a signal to the muscle to release calcium. The calcium ...