Chest adduction, when you bring your arm toward the midline of your body, is the movement your chest muscle performs. Here's how to use it to build big pecs.

Muscles are used every time we move. There are more than 600 muscles in the human body. Muscles are attached to the bone by tendons and work in pairs to allow for smooth movement.

Muscles hold bodies together and power their movements. Chiropractor Scott Cuthbert explains that the only thing a muscle can do is move two points of attachment closer together, so for every mus… ...

The inspiration for the design is derived from papillae, a group of tiny muscles used by octopuses to change their movement ...

Movement therapists look beyond foam rollers as new techniques are developed to relieve tight muscles.

It turns out that sea otter muscle is good at being inefficient. The energy “lost” as heat while turning nutrients into movement allows them to survive the cold.

All animals move -- cheetahs faster, snails more slowly. Muscle contractions are the basis of movement in many, but not all, species. Some animal groups don't have any muscles at all, as they ...