To stimulate optimal size and strength increases, it's imperative that you regularly attempt the momentarily impossible. For example, if you can curl 100 pounds for a maximum of 10 reps, but never attempt the 11th, your body has no reason to enlarge upon its existing capacity. It is only by regularly attempting to go beyond your existing capacity that inroads are made into your body's reserves.
Mike MentzerPresently, my understanding of the fundamental principles of the theory of high-intensity training is thorough and complete - not two plus two equals three-and-a-half, but two plus two equals four! Heretofore, I would only occasionally have clients gain 10 to 20 pounds in a month or 30 to 40 pounds in three to four months. Now such is no longer the exception , but the rule!
Mike Mentzer