`muscles` Related Article Results

Muscles are the tissues in our body that enable movement. Muscle function occurs through the contraction and relaxation of muscle fibers. This movement allows us to move our bones, gives shape to our body, and helps regulate the proper functioning of our internal organs. The Basic Mechanism of Muscle Contraction Muscle contraction occurs through the movement of two important proteins within muscle fibers: actin and myosin. These proteins slide over each other, causing the muscle to shorten. The