How Much Weight Should You Really Be Lifting at the Gym?

Going steady with the 10-pound weights for months now? You may be selling yourself short.

Back-to-Basics Moves That Tone All Over

Put a fresh spin on old school bodyweight moves.

10 Oblique Exercises for a Flat Stomach, Fast

Show off your good sides (that's right, both of them) with moves that whittle your middle.

6 Not-So-Obvious Reasons You’re Stuck in a Fitness Plateau

You've been hitting the gym religiously for weeks and aren't making any progress. What gives?

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.