20 Minute Interval Cardio Workout by Zuzana from Bodyrock.tv

This is a 20 minute high intensity cardio workout based on Tabata workout by Zuzana from Bodyrock.tv.
Background on Tabata Method
The tabata method is a high intensity regimen based on 1996 study. The study uses an alternative low (for 10 secs) and ultra high intensity workouts (for 20 secs) by which is continued for 4 minutes. This method burns fat more fast than traditional method. A 2.5 hours of sprint interval training produced similar biochemical muscle changes to 10.5 hours of endurance training and similar endurance performance benefits.