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

Getting out of a chair shouldn't be a struggle. Yet for many older adults, simple everyday movements like this become ...

If you've let your workout routine slide, the first time back in the gym can be a humbling experience. Your shoulders quake and quads tremble at what were once easy lifts. Luckily, research suggests ...

The back consists of large, complex muscles that support your trunk and spine. There are many types of back muscles, and they are all essential, helping you walk, bend, twist, and hold your body ...

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 ...