chest

[AEKDB]

I'm sure I come off sounding like the dinosaur, but assuming he has some sort of muscular development, then intensity is the key. Working faster doesn't mean going light. It means dropping just enough weight so you can up your reps while keeping time between sets to a minimum. And, of course, what others said about diet is 100% correct.

+1

The best upper body exercises: Weighted dips, weighted pull-ups, and power clean and press.