Creatine is a natural source of energy that helps your skeletal muscles flex (contract). It helps create a steady supply of energy in your muscles so they can keep working, especially while you’re ...

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

Not taking enough rest days can mess with results, FYI.

You can work your whole body from the comfort and privacy of home with a pair of dumbbells. While gym machines, kettlebells, resistance bands, and other gym equipment definitely have their benefits ...

Danielle “Nellie” Bruns, an associate professor in the University of Wyoming’s Department of Zoology and Physiology, has received a five-year, $1.78 million research grant from the National Institutes ...

Heimlich is a contributor for TIME. Heimlich is a contributor for TIME. A hard workout can come back to haunt you. When you wake up the next morning and try to get out of bed, everyday motions like ...

Squatting is a common exercise that many likely learned in gym class. However, do you know the proper form for a squat and what muscles it works? Ensuring you're doing a squat correctly is essential ...

The more we move, the more our muscle cells begin to make a memory of that exercise. MIT Technology Review Explains: Let our writers untangle the complex, messy world of technology to help you ...

Bed exercises to flatten belly overhang after 55, from CSCS Jarrod Nobbe. Try 5 core moves that feel joint-friendly.