A muscle spasm — also known as a charley horse, muscle cramp or twitch — is a sudden, involuntary movement in one or more muscles. Common causes include stress, exercise, or dehydration, but nerve ...

Learn why pickle juice is the athletes drink of choice for cramps, how it works, and whether it could also relieve menstrual cramps.

Your abdominal muscles surround your trunk between the rib cage and pelvis and keep your abdominal organs safe. Your core abdominal muscles also support your trunk and allow movements while keeping ...

Medically reviewed by Amy Kwan, PT Key Takeaways Rest and ice the injury to help it heal. Take pain relievers like ibuprofen or acetaminophen to reduce discomfort and swelling. Severe or long-lasting ...

Our medical experts share common reasons why women may experience abdominal pain and cramps after sex, from bowel issues to past trauma.

Dehydration may be one cause of muscle cramps, and some evidence suggests that electrolyte imbalances also contribute to them. Muscle cramps are painful, involuntary contractions of the muscles that ...