This is probably the most important thing to do in order to build muscle over time – you have to gradually increase the difficulty of your training. You see, if you don’t change things up, if you don’t make things harder, your body won’t have a reason to adapt. Muscle growth is just an adaptation reaction to the external stress caused by the workout.
LL Cool J, on the photo above, works his ass off and consequently looks more than decent. One thing that can be learned about muscle building from the fit celebrities is their work ethic. It simply takes work to achieve anything worthwhile.
