Early American Manual Therapy

The Principles of Osteopathic Technique
A. S. Hollis, D.O.


Fig. I.  Diagram representing the hammock-like method of suspension of the Sacrum between the two Innominates.
Fig. II.  Diagram representing the full range of movement occurring between the Sacrum and the Innominates.
Fig. III.  Diagram representing the mechanism of the movement in the sacro-iliac joint looking at it from in front.