Objective: The purpose of this paper is to review and discuss the history of chiropractic vertebral subluxation (CVS) theories and models between 1962 and 1980.
Discussion: This period was marked by several innovative texts from Weiant, Homewood, and Harper, and Canadian Memorial Chiropractic College’s Segmental Neuropathy. Technique developers during this period increased the complexity of models from upper cervical to full spine. The textbooks built upon previous theories, the scientific literature, work by Speransky, and instrumentation research. The texts influenced decades of research and theory. Weiant’s book surveyed the medical and scientific literature on CVS. Harper integrated modern neurophysiology with D. D. Palmer’s theories integrated with other chiropractic models based on research such as Weiant’s photoelectric instrumentation. Homewood’s book integrated Selye, Speransky, Verner, and several other models, which led to his neurodynamic model of CVS. Segmental Neuropathy was a completely new innovation of chiropractic theory with neurophysiology. Collaboration among authors developed into several new models. Chiropractic vertebral subluxation was viewed as a global neurological phenomenon and a neurodystrophic process. Technique models from Goodheart, Nimmo, Toftness, Ward, Gonstead, Grostic, Gregory, and Pierce laid the foundation for modern practices.
Conclusion: The CVS theories during this period were complex and almost unrecognizable from previous theories. The inclusion of every major theory laid the foundation for this period’s wide set of models, research, and methods.
Author keywords: Chiropractic; History
Author affiliation: School of Health and Human Sciences, Southern Cross University, Lismore, New South Wales, Australia
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