When most guys start in the gym, their biggest goal is bigger arms to fill out a t-shirt. They spend hours banging out ...

Continue adding weight or trying heavier dumbbells, now exclusively performing rolling tricep extensions. Over 3-4 sets, try to find the heaviest weight you can safely perform 8-10 reps with, with ...

Tighten and tone flabby arms in 30 days with 4 simple, effective moves designed for strength and definition after 45.

The triceps extension may throw off your balance—which forces you to keep the core even more engaged. You've fallen out of form if you "rock back and forth as you move your arms," Bruno writes.

Even more importantly, strong triceps help you maintain proper form in just about every pushing and pulling movement you do.