Lose Weight and In addition, you assume certain risks inherent in exercise and nutrition programs by using this system. Six Pack Shortcuts involves body weight exercises, weight lifting, and high intensity cardiovascular exercise. You should not begin the program if you are severely obese, or if you have a physical condition that makes intense exercise dangerous. In addition, Six Pack Shortcuts requires you to follow an eating plan and at times restrict the amount of calories you consume. You should not begin this eating plan if you have physical or psychological issues which make fat loss dangerous.