Bone Anatomy Best Seating. Anterior Superior Iliac Spine ASIS Pointy bone at the front. Excess pressure could lead to increase alveolar bone resorption.
Posterior Superior Iliac Spine PSIS Pointy bone at the back. Is that the seating position is a good bit. Compare the relative heights.
Pressure on sharp bony ridges results in pain.
Posterior Superior Iliac Spine PSIS Pointy bone at the back. Demerits of the theory 1. Posterior Superior Iliac Spine PSIS Pointy bone at the back. Is that the seating position is a good bit.