After 10 rounds of this sequence, as demonstrated by Emily Skye, you'll be feeling it the next day.
It has ultra-short, 15-second rests between spurts of effort, which research shows can lead to an astronomical calorie burn.
Fix back pain and improve your performance in the gym -- while never leaving office
Your favorite full-body move just got even better.
Fat burning and upper-body muscle building all in one workout.
Put them together for a great workout that hits them from every angle.
Alternate between movements so you can rest one muscle group while attacking another.
Sculpt your entire upper body with this one move.
Weakness in this hip area limits how deep you can squat and lunge, and even screws up your running technique.
This four-move workout will make your entire body stronger and more muscular.