We received tremendous feedback from participants in The Wall Street Journal Fitness Challenge, a six-week program developed by Arnie Kander, an NBA sports performance coach. Haven’t signed up yet?

“A full-body workout using machines can be just as effective as other training styles when structured correctly. By working ...

This week's workout comes from Kevin Pabon, of GYMGUYZ. Pabon goes over the proper form to get a good boxing workout in. He stresses that form is important so you don't injure yourself. Pabon suggests ...

If you’re a little hazy on the difference between sit-ups vs. crunches, you’re not alone. They both strengthen your core, but the details on how they differ and the benefits of each can be confusing. ...

Sarah Mitroff has worn many hats at CNET, including Senior Mobile Editor and Managing Editor of Health and Wellness. Currently, she is a freelance editor. Throughout her career, she's written about ...