work with your body, and the force of gravity to build real strength and stamina in your muscles, avoiding the extreme joint and muscle stresses caused by weight lifting. Each and every one of the exercises in the bodyweight exercise stable works multiple muscle groups simultaneously enhancing abdominal strength and overall cardiovascular conditioning. Consider it the "golf" or "tai chi" or bodybuilding in that its something that you will benefit from and enjoy practising for your whole life, not just until you're 30! *** Product Information and Prices Stored: ItemPostTime Bodybuilding Sucks When You're Over 50 - Bodyweight Exercises the Art of Bodybuilding For Older Guys