HOW: You are going to be moving side-to-side in this exercise. Step to the side into a lateral lunge to the left. Drive your left leg into the ground and push yourself back up. Immediately go into a curtsey lunge with your left reaching behind your right leg. Push your self back up to the starting position. Perform all the recommended reps and repeat on the other side.
FEEL: You should feel all the muscles in your legs working.
COMPENSATION: Don't let your knee cave-in or bow out excessively, you should rotate and move from your hip. Also focus on good balance and posture of your trunk