For fitness-minded folks, muscle testing can sound pretty intriguing. But it turns out that it has little to do with fitness...or even muscles. On a basic level, muscle testing looks at a muscle and ...

A gentle rumble ran under Ngan Huang’s feet as a rocket carrying her research—live, human muscle cells grown on scaffolds fixed on tiny chips—lifted off, climbed, and disappeared into the sky to the ...

Loss of muscle mass (muscle atrophy) can be a result of aging or lifestyle habits, like being inactive or eating a poor diet. Muscle loss can also point to hormone abnormalities or underlying health ...