This occurs through a physiologic process that leads to an increased number of contractile proteins (actin and myosin) in each muscle fiber. With the right training regimen, you can catalyze this ...

Researchers are working on artificial muscles that can keep up with the real thing. They have now developed a method of producing the soft and elastic, yet powerful structures using 3D printing.

If you have neck or back pain, or you’re dealing with some other condition that causes muscle spasms, your doctor might prescribe a muscle relaxer (or muscle relaxant) for you. Having a muscle ...