Stand with your feet shoulder-width distance apart, feet parallel. Hold your hands out in front of you for balance. Bend your knees, lowering your hips deeply, bringing your thighs parallel with the floor if you can, keeping weight back in your heels. Be sure that your abs are engaged throughout this exercise.
Then rise back up, straightening the legs completely, squeezing the glutes at the top of the movement to get the most out of the exercise.