Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe ...

Damage to muscles surrounding the spine can also cause inflammation, leading to muscle spasms. Stiffness in the lower back, muscle spasms, difficulty maintaining an upright posture, and a limited ...

Brown is doubtful to return to Saturday's game against the Nets due to a low back spasm, Taylor Snow of the Celtics ' official site reports.

Understand the causes and symptoms of sprains, strains, and muscle spasms, and find how to prevent and treat these common musculoskeletal injuries.