Muscle spasms can be both uncomfortable and inconvenient, often resulting in the inability to use the affected area for a short period. What causes muscle spasms?

Smith (2-3) has returned from back spasms and picked up the loss in Sunday's game against Detroit. He allowed six runs (four earned) on five hits and an error over a third of an inning.

A back spasm happens when the muscles in your back contract involuntarily, causing pain, stiffness, and tightness. They can happen as a result of straining certain muscle groups, muscle weakness or ...

What Do Bladder Spasms Feel Like? Normally, the bladder gently fills with urine and you slowly become aware of the need to urinate. This feeling is your cue to start looking for a bathroom. But in ...

When your eye twitch means something serious with seven health conditions that could be causing that annoying eyelid flutter ...

Muscle spasms are common and typically don't signal a severe health issue, but if they occur repeatedly or last for prolonged periods, you'll definitely want to find relief.

Dystonia involves involuntary muscle contractions, but you're not out of options. Discover how botulinum toxin, DBS, and ...

Stomach spasms occur when muscles in the stomach or intestines contract. We look at 10 common causes of muscles spasms, and more, here.

Severe symptoms include seizures, heart failure, paralysis, and intense muscle spasms. Many people who sustain a bite from a black widow will not initially know that a spider bite occurred.

Why Do Spasms Happen in the First Place? Stomach spasms occur due to the functional disorders of the gastrointestinal (GI) tract that are not linked to any organic, infectious, or parasitic illness.

St. Louis Cardinals third baseman Nolan Arenado was a last-minute scratch in Wednesday's series finale against the Pittsburgh Pirates. According to MLB.com's John Denton, Arenado was scratched due ...