Among the many purposes for Rolf Structural Integration, the one that keeps me most engaged is that aspect at the very heart of the work which has to do with human relatedness to the Earth. And, from there, relatedness to All That Is. That is, the Sacred.
Here is an image study showing the relationship of the sphenoid, the central bone of the cranium, and the sacrum, the central bone of the pelvis. Buckminster Fuller's Dimaxion Earth and the little angel you can summon when things are in right order.
Below are links to articles that elaborate on the subject: