A back spasm involves a sudden, involuntary muscle contraction that can be set off by something as routine as lifting a bag or sitting for too long. Muscle fatigue, dehydration, and nerve ...

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 ...

DETROIT -- Golden State Warriors center Kristaps Porzingis left Friday night's road loss in Detroit with lower back spasms and said postgame he will "probably" miss Saturday night's reunion game in ...