This may be the craziest cardio workout you've ever tried. Just wait till you get to the first Power Move. What minute are you Maxing Out at now?

The new "hardest workout ever." Every move is a minute in this ultimate challenge between your body and your mind. Who's going to win?

The intervals are longer in this "45 seconds on, 15 seconds off" Tabata-style plyometric power madness.

Your arms, shoulders, chest, and core will be toast after this upper-body-focused, "45 seconds on, 15 seconds off" Tabata-style routine.

Shaun T's version of a recovery workout, this is a low-impact combo of stretching and small "pulsing" movements that'll definitely make you feel the burn.

Shaun T takes it up a notch in this NO REST, Tabata-style strength workout. You heard right... 30 minutes, no rest.

Get ready to Dig Deep for 30 minutes of old-school INSANITY. Join Shaun T and some INSANITY® Success Stories in a fat-blasting total-body workout that burns maximum calories as it delivers the same crazy INSANITY results—in just 30 minutes!

Get ready for 30 minutes of screaming, sweating, calorie-scorching madness.

Your muscles will beg for mercy as your strength training starts with Tabata-style "20 seconds on, 10 seconds off" power moves.

30 minutes of the hardest cardio sequences you've ever tried.

The more minutes you make it through, the more you sweat and the more calories you burn. Now you know the meaning of "twice the sweat in half the time.

This 10-minute routine will feel like an attack on your abs, but you'll love the rock-hard results.

It's a battle between your body and your mind as you fight for time in this MAX OUT challenge. And this is just Round 1.