World's "Fastest" Workout

 

 

Burns as many calories as a 40-60 minutes run. Makes your body adapt and improve very quickly. Increases metabolism for up to the next 36 hrs. Takes only FOUR minutes, Developed by a Japanese Scientist. NO EXCUSES.

I just did this to get me into the mood to workout, and well it's a great warm-up thats for sure. Got my breath going.

Wait... did I say warm-up? Who am I??!