That balls-to-the-wall routine may not be all it’s cracked up to be.
It's official: You're never going to be bored in the weight room again.
This routine is so efficient you'll work your whole body in a fraction of the time.
It involves short bursts of intense exercise and has some serious fitness benefits.
Don't let the lingo scare you away.
If you can't make it to a gym for some HIIT sessions, these videos are the next best thing.
Never waste time aimlessly wandering between free weights and cardio machines again.
Get stronger—and more sweaty—than you ever thought possible in just half an hour.
Work every muscle in your body with this speedy bodyweight circuit.
This bodyweight-only workout is super intense and targets every major muscle group.
Make the most of every HIIT workout with these tips and effective routines for any fitness level.