This high-energy cardiovascular program will help transform your body, mind, and heart, leaving you exhilarated and stronger than ever. This program combines THRESHOLD TRAINING & HIGH INTENSITY INTERVAL TRAINING, which are two of the most effective ways to burn fat and calories in a short amount of time. This powerful system consists of 4 major high intensity interval sets with 3 drills in each set, finishing with one non-stop 6 minute high end push to your anaerobic edge.