The muscle-up is a rare beast – an upper-body exercise that requires both pulling and pushing power and phenomenal core strength to boot.
Those unfamiliar with the move say it's just a pull-up combined with a dip, but a muscle-up is much more than that. It's an unparalleled assault to the upper body, and you have to be strong just to do one.
Over the last few years it seems that just about every "in the know" performance coach has discussed the conjugate method and why they find it to be the most effective way to train an athlete. By now I think we all know the definition of conjugate or concurrent periodization and how it involves simultaneously trying to raise multiple qualities.