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Article
October 31, 1925

MANIPULATIVE (CHIROPRACTIC) DISLOCATIONS OF THE ATLAS

Author Affiliations

Associate Professor in Roentgenology, Northwestern University Medical School; Consulting Roentgenologist, Wesley Memorial Hospital; Attending Roentgenologist, Garfield Park Hospital CHICAGO

JAMA. 1925;85(18):1356-1359. doi:10.1001/jama.1925.02670180012003
Abstract

Unintelligent manipulations of the structures of the region of the upper cervical spine may result in undesired sequelae, such as have occurred in the three cases here presented. A forward dislocation of the atlas on the axis has been a consequence in each of the cases, one with fracture of the odontoid process; all of the cases were apparently the result of chiropractic treatments. One of them resulted in death, the second in constant dull pain and limitation of motion, with a material loss in efficiency of the patient, while the third appears to be progressing satisfactorily in spite of the dislocation of the atlanto-axial joint, although there is a marked reduction in the movements of the head.

ANATOMIC CONSIDERATIONS  The articulation of the atlas with the axis is a joint of complicated nature, as it is made up of four distinct parts or joints. These are: (1) a pivot

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