Bob Harper: Inside Out Method - Body Rev Cardio Conditioning (1970)

Your heart is the most vital muscle in your body; the engine that keeps you alive. In this ultimate cardio workout, Bob takes you through a series of explosive, non-stop drills in all three planes of motion that get your heart rate pumping to maximum fat-burning capacity. Optimize your powerhouse, and defy limitations, with a calorie-igniting, weight-loss-fueling workout. Increase energy and enhance endurance, so you blaze away fat and transform your body!