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Fig. 1 | Journal of Orthopaedic Surgery and Research

Fig. 1

From: Segmental motion at the peak of the ossification foci is independent risk factor except for mal-alignment and thick ossification foci for poor outcome after laminoplasty for cervical ossification of the posterior longitudinal ligament: analyses in patients with positive K-line, lordotic alignment, and lower canal occupying ratio

Fig. 1

Measurement of C2-7 angle and range of motion. C2-7 angle was measured as angle between C2 and C7 lower endplates in lateral cervical spine X-ray in neutral position (a). Range of motion was measured as chage in angle between corresponding spinal segment in cervical spine X-ray in flexion and extension position (b)(c)

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X