Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

The muscular system works to control the movement of our body and internal organs. Muscle tissue contains something called muscle fibers. Muscle fibers consist of a single muscle cell. They help to ...

Researchers have developed a novel bioink that uses a sustained-release hormone to promote the growth and regeneration of 3D-printed muscle tissues. Their approach opens the door to developing new ...