9 Fitness Classes You Can Take On Periscope—for Free

There are officially no excuses to skip the gym.

Burn Calories While You Sleep

Boost your metabolism in less time than it takes to get through your before-bed skincare routine.

5 Treadmill Tricks to Help You Burn Double the Calories

And no, one of them isn't just running faster.

Instagram Star Kayla Itsines's Do-Anywhere Workout

Get ready to #sweatwithkayla: The creator of the Bikini Body Guide designed an exclusive 7-minute circuit workout for us.

The Sprint-and-Sculpt Hill Workout

Runners, tackle tough hills—minus the huffing and puffing—with this surefire circuit.

The Fat-Sizzling Stairs Workout

Step It Up (like Channing Tatum is waiting at the top) with a firm-and-burn stairs routine.

The Sandy Circuit Workout

Take your routine to shore to torch two times the calories and sculpt every inch of your beach bod.

This Is the Best Free Fitness App Ever

It's official! Research says most downloadable sweat sessions aren't worth it—except one.

Get Fit and Get On with Your Day in Just 20 Minutes

These big-bang moves target every muscle for an efficient firm-and-burn.