HOW: Begin with your mid-back against a bench in a staggered stance position. While keeping your chin tucked, thrust your hips towards the ceiling. Focus on driving into the floor with your heels and tuck your tailbone (AKA posteriorly tilt your pelvis) at the top of the thrust. Slowly return back to starting position and repeat.
FEEL: You will feel the gluteal and hamstring muscles working with this exercise particularly of the leg the is bent in closer to you.
COMPENSATION: Avoid arching with the lower back, allow a majority of this movement to come from the hips and pelvis.