Developed by a medical doctor: Breakthrough 90-day fitness program created by a board-certified medical doctor specializing in sports training & physical medicine.Fast results: High-intensity cardio and resistance drills increase strength, stamina, agility, and flexibility, while incinerating fat! Anything but routine: 12 progressive workouts provide endless combinations to keep the fitness sessions fresh and challenging.Total body workout: Dynamic exercises target multiple muscle groups at the same time to maximize efficiency and results.Like a home gym in a box: 6-DVD set, PLUS workout and nutrition guides, fitness journal, resistance band, workout schedule, tape measure, and more!