Set-up: Begin on all fours with your knees resting on a pad. Now straighten and extend one leg out to the side with the side of your foot in contact with floor.
Movement: Keeping your back neutral, simply move your hips forward. Now slowly pull them backwards and slightly to the side of your bent knee. Perform for desired repetitions and repeat on the opposite side.
Repetitions: Perform all prescribed reps on one side, then on the other. This counts as one set.