· If we don't have any exercise to stimulate the muscles, they deteriorate. That's why today there are lots of needless injuries. People pick up something heavy and pull the muscles in their backs. Housewives make a bed and dislocate a shoulder. Guys try to change a tire and rip a bicep. Why? Because the body isn't prepared. This alone is a very good reason to do some kind of bodybuilding. In the human body there are over 600 muscles, which are made up of approximately 100 billion muscle fibers; we are not even aware of many of these muscles, muscles that make the fingers close and give you a strong grip, muscles that open the eyelid, muscles that work so automatically you've never even felt them before. · One of the benefits of bodybuilding is that it makes you aware of all your muscles. You start getting sore in certain parts of the body when you train. You realize what...