Popular actress Jessica Biel is back in the spotlight, this time, though, for her workout routine. Prizing the Norwegian 4×4 ...

New research is underway to test whether a combination of high-intensity interval training and generic medicines can slow ...

High-intensity interval training, or HIIT, is a great way to get in a fast, effective workout. This quick routine is helpful ...

Stand with your feet together. Lean forward slightly, step your left leg back and raise your arms out in front at chest ...

Outdoor winter exercise is no joke. Fitness specialists explain what to wear—and how to wear it—when training out in the cold ...

Our reporters have teamed up with fitness experts to design dozens of routines. Try something new — and build an exercise ...

Madison Keys is known for her athleticism, power and longevity, all of which are directly attributed to a tireless work ethic ...