Radiology has been a cornerstone for the analysis of spinal alignment for over a century. Although there has been a movement within chiropractic to reduce the use of x-ray, this runs counter to both traditional and current biomechanical evidence-based subluxation models. We present evidence supporting the scientific basis of 6 contemporary subluxation types that currently underpin the basis for routine radiographic examination for biomechanical data related to the diagnosis and treatment of patients in modern chiropractic practice. We also discuss how these 6 types of subluxation satisfy Nelson’s criterion and achieve valid subluxation theory status.
Author keywords: Spine; Posture; Subluxation
Author affiliations: DEH: CBP NonProfit, Inc., Eagle, ID, USA; PAO: Private practice, Newmarket, ON, Canada
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