Reliability and Criterion Validity of the Smartphone Inclinometer Application to Quantify Cervical Spine Mobility

Clinical Spine Surgery : a Spine Publication
Laura GuidettiCarlo Baldari

Abstract

In this observational study, we compare fluid inclinometer and smartphone measures to analyze active cervical range of motion (ACROM) in healthy individuals. The purpose of this study was to investigate the reliability and the criterion validity of a smartphone application to analyze head movements. Recent studies on the reliability and the validity of customized smartphone applications to measure ACROM show good results for frontal and lateral planes' movement analysis, but poor results for the transverse plane. This can be due to the surrounding magnetic fields that affect the compass application used during head rotation valuation. Twenty-three individuals were asked to perform neck maximal (end-range) movements (frontal flex-extension and left-right side flexion in the sitting position, left-right rotation in the prone position). Two separate examiners took all ACROM measures and were assigned to each device (iPhone 5c and the inclinometer) contemporary for each individual. All measurements were taken twice to assess the intraobserver reliability. Interobserver and intraobserver reliabilities were evaluated using the intraclass correlation coefficient (ICC). The criterion validity between the 2 instruments was also assessed...Continue Reading

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May 4, 2017·Expert Review of Medical Devices·Aliaa Rehan Youssef, Mohammed Gumaa
Jan 15, 2019·International Journal of Rehabilitation Research. Internationale Zeitschrift Für Rehabilitationsforschung. Revue Internationale De Recherches De Réadaptation·Luca LongoniGiorgio Ferriero
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Apr 4, 2021·International Journal of Environmental Research and Public Health·Alejandro Caña-PinoMaría Dolores Apolo-Arenas
Aug 3, 2021·Expert Review of Medical Devices·Shibili NuhmaniQassim I Muaidi

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