P90X will shatter your concept of home fitness. Using the advanced science of Muscle Confusion, P90X is a well-organized training system that shows you how and when to change your routine for maximum results. So your body keeps changing throughout the 90 days and beyond.

• Short training cycles constantly challenge your muscles with variety and intensity.
• P90X maximizes fat burning and muscle sculpting in different ways every day.
• No plateau effect means each phase of P90X is as effective as the first.