The 5 to 50 Ab Workout. Holy ab work out.
45 Minute Sweat It Out Cardio Workout (burns 700 calories) - Tone and Tighten
This Workout Targets Belly Fat HIIT=High Intensity Interval Training This training method will help you burn twice as many calories in the same mount of time. Doing seconds of cardio at of your max effort, then seconds at 50 percent.