>>52261161. Basically the position of your head guides the rest of the body. Position it directly in between your feet. weight evenly distributed between the ankles and the big toes.
2. squeeze your asshole/pelvis in and extend this vacuum/inhale type of action up your spine all the way to the tongue and palate, so that even the tongue is sucking the base of the skull. This is your functional core, aka the spinal musculature.
3. Simply strive to extend your spine further and further while maintaining neutral centre of gravity.
It can take 1-2 years to learn to use your body anatomically optimally. Your face will probably change too. I am two yearsi in , check how much my forehead has come forward and the back of the skull expanded. The pics are centered at the ear.