Abstract: A BIOMECHANICAL MODEL FOR MECHANICALLY EFFICIENT CAVITATION PRODUCTION DURING SPINAL MANIPULATION: PRETHRUST POSITION AND THE NEUTRAL ZONE

David W. Evans, BSc(Hons)Ost,a and Alan C. Breen, DC, PhDb

Biomechanical factors that facilitate mechanically efficient cavitation production during manipulation have been explored, and a revision of the conceptual and kinematic model has been proposed.

Central to this model, mechanically efficient cavitation production during manipulation requires a prethrust position, in which the target joint is ideally positioned into its own neutral zone motion region, thus maximizing the efficiency of the manipulation.

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