From MensHealth.com……..
Author, fitness model, and trainer Kirk Charles, NASM-CPT CES, knows that as you get older, life can get more complicated. But that shouldn’t prevent you from being on top of your game. He’ll help to answer the tough training questions that come with age so you too can be Fit Beyond 40.
Older guys like me can have a harder time packing on muscle than when we were young, but with a solid plan, gains are possible. I’ve always been weaker in my upper body, so I include targeted exercises in my routine to hit the biggest muscles in my arms: the triceps.