Journal article
Validity and intra-rater reliability of an Android phone application to measure cervical range-of-motion
Journal of NeuroEngineering and Rehabilitation, Vol.11, 65
2014
Abstract
Background: Concurrent validity and intra-rater reliability using a customized Android phone application to measure cervical-spine range-of-motion (ROM) has not been previously validated against a gold-standard three-dimensional motion analysis (3DMA) system. Findings. Twenty-one healthy individuals (age:31±9.1 years, male:11) participated, with 16 re-examined for intra-rater reliability 1-7 days later. An Android phone was fixed on a helmet, which was then securely fastened on the participant's head. Cervical-spine ROM in flexion, extension, lateral flexion and rotation were performed in sitting with concurrent measurements obtained from both a 3DMA system and the phone.The phone demonstrated moderate to excellent (ICC = 0.53-0.98, Spearman Ï = 0.52-0.98) concurrent validity for ROM measurements in cervical flexion, extension, lateral-flexion and rotation. However, cervical rotation demonstrated both proportional and fixed bias. Excellent intra-rater reliability was demonstrated for cervical flexion, extension and lateral flexion (ICC = 0.82-0.90), but poor for right- and left-rotation (ICC = 0.05-0.33) using the phone. Possible reasons for the outcome are that flexion, extension and lateral-flexion measurements are detected by gravity-dependent accelerometers while rotation measurements are detected by the magnetometer which can be adversely affected by surrounding magnetic fields. Conclusion: The results of this study demonstrate that the tested Android phone application is valid and reliable to measure ROM of the cervical-spine in flexion, extension and lateral-flexion but not in rotation likely due to magnetic interference. The clinical implication of this study is that therapists should be mindful of the plane of measurement when using the Android phone to measure ROM of the cervical-spine. © 2014 Quek et al.; licensee BioMed Central Ltd.
Details
- Title
- Validity and intra-rater reliability of an Android phone application to measure cervical range-of-motion
- Authors
- J Quek (Author) - University of QueenslandS G Brauer (Author) - University of QueenslandJ Treleaven (Author) - University of QueenslandYong-Hao Pua (Author) - Singapore General HospitalBenjamin Mentiplay (Author) - Australian Catholic UniversityRoss Clark (Author) - Australian Catholic University
- Publication details
- Journal of NeuroEngineering and Rehabilitation, Vol.11, 65; 6
- Publisher
- BioMed Central Ltd.
- Date published
- 2014
- DOI
- 10.1186/1743-0003-11-65
- ISSN
- 1743-0003
- Copyright note
- Copyright © 2014 Quek et al.; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
- Organisation Unit
- University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy; School of Health and Behavioural Sciences - Legacy; School of Health - Public Health
- Language
- English
- Record Identifier
- 99450447902621
- Output Type
- Journal article
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- Domestic collaboration
- International collaboration
- Web Of Science research areas
- Engineering, Biomedical
- Neurosciences
- Rehabilitation
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