Features 4 levels of workouts over a four week period. Each level incorporates Jillians s best-selling 3-2-1 interval system: 3 minutes of strength, 2 minutes of cardio and 1 minute of abs. The 3-2-1 system is repeated three times in each workout and is designed to get you ripped in 30-days Begin with week 1 and when ready, progress to the next week. Each week will get progressively more difficult, however each workout offers modified moves ideal for both beginners to those more advanced students. DVD INCLUDES: Four 24-Minute Workouts 30-Day Meal Plan