Change up your classic squatting routine with a box squat. Follow along as three top trainers walk you through the do's and don'ts. In contrast to your typical, “I learned this in PE class,” air squat ...

Plus, common mistakes to avoid.

At the very core of any good workout routine, you'll find one move: squats. They're such a natural part of having a fit, strong bod, in fact, that you've been doing them since birth. “Even before ...