• Adopt a 4 points kneel position, with your hands directly below your shoulders and your knees directly below your hips.
• Contract your lower core to set the low back in neutral.
• Push down through your hands to push the breastbone back up between the blades to bring the upper back into a neutral position, slightly rounded, but not a 'cat curl'. .
• From this neutral spine position; "nod" the head, and return to neutral; than lead with the neck lifting the head slightly..
• Make sure to maintain neutral spine throughout the exercise.
• Repeat.