The brachialis is the often-overlooked muscle between the biceps and triceps. Training your brachialis is a great way to help "project" a massive arm. Why? Because as the brachialis develops, it pushes your biceps and triceps further away from one another, making for a wider-appearing arm.
The standard hammer-grip curl is good, but I prefer the cross-body variation shown here. Grip the dumbbell as hard as you can throughout the rep.
Think of this as the Cliff Note's to the Ian King 101 class. Here you'll find the highlights of Ian's training principles that have changed the way most of us workout.
I'll freely admit it. I've been extremely reluctant to sit down and write this article. Why? Well, the reasons are numerous, but it basically boils down to the pertinacity of the exercise community.