Problem is, the squat is difficult to master—and because it's tempting to load up the barbell with lots of weight on your first go, a lot of guys in the weight room never learn ...

Not only can they build mammoth-sized legs and improve core stability, but they also light up your entire posterior chain.

The wide-stance side bend increases the challenge by combining a squat position with lateral movement. Maintain proper form by keeping your back straight and core engaged throughout the exercise.