HOW: Begin in an all-fours position and bring one knee under your torso. Allow your hips to rock back and sit them as close to the ground as possible. Hold for the prescribed amount of time before returning to a plank position and switching legs
FEEL: You should feel a deep stretching in the gluteal region of each hip.
COMPENSATION: Avoid rounding excessively at the back. Keep your torso upright as you bring your torso down towards the ground to deepen the stretch.