ORLANDO, Fla.(AP) — Rory McIlroy withdrew from the third round of the Arnold Palmer Invitational on Saturday when he felt muscle spasms in his back that were not going away. The spasms were not ...

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 ...

Causes of back spasms range from poor posture or minor muscle strains to underlying health conditions like osteoarthritis. Lifestyle changes and home remedies can help to relieve symptoms, along with ...

BOSTON -- Boston Red Sox closer Aroldis Chapman thinks he'll be able to pitch in a couple of days after walking off the mound with a back spasm in the eighth inning of Sunday's game against the Los ...