www.sixpackabsworkouts.com Discover the truth to six pack abs here To build muscle fast there are certain exercises that you should use. Your building muscle fast routine should consist of compound movements that. In order to build muscle fast the body responds to change. When you change the routine you basically shock the body into creating the environment for more muscle to build fast! Also to build muscle fast you need the proper amount of rest. Your muscles don\’t grow when you are lifting; they grow when you are resting. If you continue to workout your individual body parts more than once a week you will continue to not gain new muscle mass.