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 ...

Medically reviewed by Amy Kwan, PT Key Takeaways Lower back and hip pain can be caused by injuries like muscle strains and overuse from repetitive movements.Arthritis is a common cause of one-sided ...

The Rangers placed Beeks on the 15-day injured list Thursday with low-back spasms. Beeks last pitched Tuesday in Kansas City, serving up a solo home run among three hits while recording just two outs.

Dodgers right-hander Tyler Glasnow left his start after one inning on Wednesday afternoon when a familiar pain shot through his lower back. The 6-foot-8 Glasnow said the back spasms have been a ...