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 ...

Sandifer syndrome is a type of movement disorder that’s associated with acid reflux and—sometimes—a type of stomach hernia. Movements can range from arching in your back to tense neck postures. They ...

Federal health officials are adding their sternest warning to a heartburn drug from Wyeth that has been linked to muscle spasms. The Food and Drug Administration said Wyeth's pill Reglan has been ...

The diaphragm is an important respiratory muscle. It’s large, dome-shaped, and found below the lungs, around your lower-to-middle rib cage. When you inhale, your diaphragm lowers and helps your lungs ...