Companion studies suggest muscle begins to decline decades before sarcopenia takes hold for keeps. The best part: The process ...

The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a new study. The flow of water within a muscle fiber may dictate how quickly muscle can contract, ...

Magnesium is everywhere in fitness supplements, but not all forms work the same. Here’s how to choose the right type for ...

When labor begins, the uterus must coordinate rhythmic, well-timed contractions to deliver the baby safely. While hormones such as progesterone and oxytocin are key contributors to that process, ...

When muscle pain strikes, many reach for over-the-counter pain relievers without considering what might be missing from their body. Magnesium, an essential mineral involved in hundreds of biochemical ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." “Muscle stimulators do exactly what they promise—stimulate muscles,” Lori Diamos, M.S., P.T., owner of PT ...

Muscles are made to move. Stretching and contraction stimulate biochemical pathways within muscle that maintain tissue health. When movement slows—when a broken limb is immobilized in a cast, for ...

Whether you’re a beginner or a seasoned bodybuilder, there’s a good chance you’ve heard about ‘mind-muscle connection.’ After all, even four-time Mr. Olympia Jay Cutler said, “Work the muscles, not ...