It was later described by his students Rebecca Lippincott and William Garner Sutherland, who greatly expanded it.
[1] It was described in “Osteopathic Technique of William G. Sutherland,” which was published in the 1949 Year Book of Academy of Applied Osteopathy.
According to Sutherland's model, all the joints in the body are balanced ligamentous articular mechanisms.
The general prescription is to disengage and exaggerate the diagnosed somatic dysfunction.
This is followed by a balancing stage in which the practitioner slowly brings the joint into the diagnosed restriction (the direct component).