Could it be that Gracovetsky's Three Dimensional Model of the Human Spine might be slightly different than the Three Dimensional Model of the Spinal Engine….
This is typical of a line drawer who throws stuff out there to see if it sticks. Jeffy will want you to believe that Gracovetsky's model...
Jeff Martin's Experts
Erik Dalton's educational background....for those interested...
PhD….earned his philosophy and clinical psychology degrees from the University of Oklahoma
Tom House's educational background.....for those interested....
House graduated from USC in 1971 with a bachelor's...