ToneSlim Bodybuilding is not just about developing muscles, it also involves the visual effect of the body. It isn't just what what you have, its also, how you look. And it didn't take long for bodybuilders to realize that a certain kind of training involving higher reps and more sets coupled with a diet to rid the body of excess fat gave bodybuilding judges a heck of a lot more to look at.o bodybuilders began to concentrate more and more on dieting. And by the late seventies things had gotten pretty much out of hand.