Developed by Mari Winsor, trainer to the stars, this 20 Minute Workout is a fast, fun, no-nonsense program designed to Sculpt Your Body Slim in just 20 minutes a day! Mari has designed the perfect program for when you don't have a lot of time to workout. Now there’s no more excuses. In just 20 minutes a day, you’ll tighten and tone your buttock and thighs - all the while working your “Powerhouse” and corpuscles to get a flat, lean stomach. Plus, you’ll improve your strength, coordination and posture. Your friends will want to know hat you’ve been doing.