• Eur Spine J · Jan 2023

    Assessment of atlantoaxial rotation: how accurate is clinical measurement? a comparative study of cervical range of motion using MRI and standard orthopedic techniques.

    • Michael Mayer, Juliane Koller, Alexander Auffarth, Berndt von Amelunxen, Reinhold Ortmaier, Wolfgang Hitzl, and Heiko Koller.
    • Department for Traumatology and Orthopedic Surgery, Paracelsus Medical University Salzburg, Müllner Hauptstraße 48, A, 5020, Salzburg, Austria.
    • Eur Spine J. 2023 Jan 1; 32 (1): 368373368-373.

    PurposeMeasurement of neck rotation is currently reliant on radiologic imaging. Given the radiation exposure for CT imaging and the additional inconvenience for the patients, an alternative assessment is needed. Goniometers are comfortably to use and easy to access, also for private consulting. The aim of this study was the assessment of whether a handheld goniometer can be used for accurately measuring the rotation of C1-C2.MethodsClinical measurement of rotation was taken in flexed position of the neck. As comparison functional MRI was used. The measured rotation of C1-C2 was compared to identify the accuracy of the goniometer, in comparison to functional MRI scan.ResultsAnalysis of accuracy using a goniometer and dynamic MRI to assess C1-2 axial rotation showed significant differences for absolute values, but not regarding the percentage of rotation compared to total neck rotation.ConclusionThe goniometer is exact to impartially determine the percentage contribution of C1-2 rotation to total neck rotation.© 2022. The Author(s).

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