Cervical Spine Research Unit, Faculty of Medicine, The University of Newcastle, Callaghan, NSW 2308 Australia ∗Corresponding author: Professor N. Bogduk, Faculty of Medicine, University of Newcastle, Callaghan, NSW 2308, Australia. Tel.: (61) 49-215608; FAX: (61) 49-216903. E-mail: [email protected] (Received 20 December 1993; revision received 14 April 1994; accepted 15 April 1994.) ☆ This review constitutes an extension and elaboration of material published previously in Spine: State of the Art Reviews, Vol. 7, No. 3, Cervical Flexion-Extension/Whiplash Injuries, edited by R.W. Teasell and A.P. Shapiro and published by Hanley and Belfus, Philadelphia, PA, 1993. We thank Hanley and Belfus for their permission to use that material in this expanded version.
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