Each and every exercise in the Max Interval Circuit workout recruits multiple muscle groups to build and support the core (lumbar spine and trunk muscles), while at the same time conditioning your body from head to toe. Loaded with a variety of fun, unique, and Insanity Workout challenging exercises, this routine will get you moving in all directions to maximize your Insanity Workout results.INSANITY’S combination of intense cardio, strength training, and plyometrics will keep them in peak condition year-round, ready for rock climbing, snowboarding, or any rugged adventure. The interval circuit that’s more intense than anything you’ve ever done before. How do you feel? Are you painting heavily? And are you bending over grabbing your knees? Only you can determine whether your ready to take the Insanity Workout challenge. If you’re ready lets get going on your 60 day body transformation!