You haven't felt the burn in until you've mastered cossack squats. Here's exactly how to do perform the move correctly, according to a trainer. Squats never fail to provide the best and worst burn.

How low can you go? This question takes on a new dimension with the Cossack squat, a dynamic and deeply rewarding leg ...

When you think of a classic leg day, squats, lunges and deadlifts are probably your go-to. However, that means you're only training your body in one direction.'Our body moves across three different ...