You can keep an arm in a cast from wasting away, researchers say, by working out your free arm.

A small group of young men who performed eccentric contraction exercises with one arm -- lowering a dumbbell in a slow and controlled motion -- saw a 4% strength improvement in the other arm, even though it was immobilized by a cast at the elbow.

Another group assigned to perform concentr...

One way to maintain muscle strength with age: Get enough vitamin D.

Researchers in Brazil and the United Kingdom found that older folks who were deficient in the vitamin increased their risk of losing muscle strength by 78%.

"Vitamin D is known to participate in various functions. "¦," said study co-author

Cholesterol-lowering statins are proven lifesavers, but they've also gained a reputation for causing muscle aches and pains in a good number of patients.

That reputation is undeserved, according to a new large-scale analysis of data from nearly two dozen clinical trials of statins.

There's a...

Whether the goal is bulging biceps or just a bit more strength and mass, a relatively light workout several times a week beats a more intense one done just once a week.

That's the conclusion of a small Australian study in which researchers spent a month tracking muscle-building progress among 36 college st...

Older women with muscle loss are less likely to have menopause-related hot flashes, a new study finds.

The loss of muscle mass and function (sarcopenia) is one of the most significant changes that occurs with age, and older women are at increased risk due to sex hormone changes after menopause.

Other risk factors for sarcopenia include inactivity, lower protein intake, changes in gr...