No matter how hard or often you train, when it comes to arms, exercise selection is everything.

Regardless of whether you started lifting in Arnold's day or you're just about to pick up your first dumbbell, chances are, you want powerful, well-developed arms. But while lots of guys have the desire to build muscular arms, too many toil endlessly in vain with no growth to show for it. Why? Improper exercise selection.

Give these 6 tried-and-true exercises a shot and take your arm development to the next level by working your muscles to exhaustion.