Get your core pumping with our newest core crusher!

A big awesome upper body workout from the biggest, awesomest urban park in the U.S.

This one is relentless. Very little rest and a very lotta FUN.

This workouts puts professional athletes to the test. You are ready for the pros!

This is a very high level upper body workout. I've had many professional athletes struggle through this. Do your best!

This is a rocking lower body fat burner. Chicken legs??? Really? :D

A bunch of new moves from the Stone Crusher position today. And yes, this is professional athlete level stuff. Rock it and take a break if you need one.

This is another intense professional level workout at one of the most beautiful beaches in California.

This is another incredible professional level beach workout. Get your sweat on!

This is a big time core strength builder. Take breaks if you need to.

Are you ready to ride the white water rapids and wash some cars? Then you'll love this one.

A great lower body workout and a personal message from Justin.

This is a belly fat busting professional level workout amid the tall trees of Northern California.

Freestyling workout in a beautiful backyard in San Jose. Get that towel ready, it's UPPER BODY DAY!

A fresh new lower body workout at a fresh little park near the lovely Santa Monica airport.

An incredible Zero Gravity workout overlooking Hollywood.

A fresh new workout from the forests of Hollywood, CA.

Welcome to the Lower Body Explosion. This is a Zero Gravity advanced workout with love. Enjoy!

Enjoy the beauty of the Pacific Ocean waves rolling in behind the beauty of Justin. :D

Crazy beach workout with so many new moves and whoa... Check out this view.

This is a high level workout focused on burning and building at high speed. Feel the sun and firm your buns. :D