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 irritation ...

As Aroldis Chapman — flanked by a trainer — walked gingerly off the mound in the middle of the eighth inning Sunday against the Dodgers, it was easy to imagine a series of dominoes for the Red Sox.

Willy Adames said he was unsure about his availability going forward after leaving Sunday's game with back spasms.

DORAL, Fla. – To be technically correct, the back spasms that prompted Tiger Woods to withdraw from last week’s Honda Classic were the result of an issue born from troubles with the world No. 1’s ...

Dear Dr. Gott: My wife, age 78, has a problem with muscle spasms in her back, sometimes on the left and sometimes on the right side of her spine. They can be anywhere, from a few inches below the ...

Frances Tiafoe has been forced to retire from the Cincinnati Open after struggling with back spasms during his fourth round match against Holger Rune. He reached the final losing to Jannik Sinner last ...