Working out doesn't just build muscle but, in later life, helps maintain a powerful cellular machine that repairs damaged ...

Understanding how muscles grow is the key difference between training hard and training effectively. Muscle hypertrophy is ...

Scientists have discovered how exercise protects aging muscles by suppressing DEAF1, a molecule they identified as a driver ...

Repeated exercise, or wasting, can change the way key genes work.

Scientists at Duke-NUS Medical School have uncovered how exercise helps aging muscles regain their ability to repair ...

Add Yahoo as a preferred source to see more of our stories on Google. The 1980s ushered in a wave of fitness trends, from step aerobics and home workout videos to spandex and leg warmers. It was also ...

Most of the creatine in our bodies is stored in our muscles, which, of course, includes the heart. In fact, ATP is the ...