Your sprinting skills have a lot to do with genetics, but your brain also plays a big role.

Traumatic experiences during childhood may get "under the skin" later in life, impairing the muscle function of people as they age.

A new version of artificial muscles for robots and other applications offers several advantages over previous technologies, researchers say.

How to structure your workout − resistance then aerobic training or vice versa − depends on your exercise goals.

Female bodies have an advantage in endurance ability that means Paleolithic women likely hunted game, not just gathered plants. The story is written in living and ancient human bodies.

Experts at Massachusetts General Hospital and Harvard Medical School traced a baffling smooth-muscle disorder to a tiny regulatory RNA, solving a medical mystery that had plagued a teen since birth.

Researchers have identified a gene expressed during regeneration that is critical for muscle repair.

Space can damage everything from your cardiovascular and nervous systems to your mental health – long voyages can feel isolating for many.

"...declawing a cat is not like trimming our fingernails; rather, it is removing part or all of the last bone of each digit."

Loss of strength, decline in mobility, and an increase in body fats are often associated with aging. Magnetic muscle therapy could help.