Spine · 2008 · 61 citations · 17 references
Neither the cranial or caudal types of ball-and-socket designs did fully restore the normal mobility in terms of ROM and COR in this patient's series.
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In vivo flexion/extension of the normal cervical spine
Jiří Dvořák, Manohar M. Panjabi, J. E. Novotny et al. · Journal of Orthopaedic Research® · 1991 · 234 citations
Clinical Validation of Functional Flexion/Extension Radiographs of the Cervical Spine
Josef Dvořák, M M Panjabi, D. Grob et al. · Spine · 1993 · 187 citations
Cervical Flexion, Extension, Protrusion, and Retraction
Nathaniel R. Ordway, Ronald J. Seymour, Ronald Donelson et al. · Spine · 1999 · 176 citations