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?

Want better fitness results without spending more time at the gym? Experts say a few simple habits can dramatically improve the effectiveness of your workouts.

"Nothing will make you feel stronger than pulling something heavy off the ground." ...

Master the ab wheel rollout with our step-by-step guide to proper form, expert cues, and building a bulletproof midsection.

Plus, which move is more effective for strong abs.

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 ...

I have been doing leg raises and the captain's chair for almost a year now, but it hasn't really made any noticeable difference in my lower abs. Do you have any exercises that I could try that would ...

This week's workout comes from trainer Alex G. at Energy Fitness in Huntington. This week is all about form. A good way to involve your core in a classic dumbbell overhead press is to sit with your ...