To start, Shaun will put your body to the test and see what you’re made of.This superset chest-and-back-blasting Insanity Workout DVD emphasize two classic sports exercise, push-ups, pull-ups upper body strength and development, construct the shape. Combining the two push-pull load sports can help you burn calories, while the offense, strengthen, and develop more muscle groups.What is the secret of the insanity workout? Max interval training Max interval training result you've never seen before, and before this, you are in your highest level in the train long outspread, short rest time. Crazy between aerobic and anaerobic exercise changes in order to constantly challenge your body. Today the challenge of the insanity, let you in the life the best condition. Now is the time - start crazy!