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KMID : 1012020220110040454
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Physical Therapy Rehabilitation Science
2022 Volume.11 No. 4 p.454 ~ p.463
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A Study on the Validity and Test-Retest Reliability of the Measurement of the Craniovertebral Angle of the Smart Phone Application ‘Angles Video Goniometer’
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Joo Hyeon-Seong
Kim Byeong-Soo
Lee Myung-Mo
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Abstract
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Objective: The purpose of this study was to compare concurrent validity and test-retest reliability based on Craniovertebral angle of ‘Angles video goniometer’, a smart phone application for convenient range of motion measurement, and ‘Image J’, an analysis software with high reliability and validity. This was conducted to find out whether ‘Angle video goniometer’ can be used clinically.
Design: Cross-sectional study
Methods: Fifty subjects were imaged laterally, and the angle of the head and spine was measured using Image J and the Angles video goniometer, respectively, in a resting posture and a chin in posture. The level of concurrent validity between the two measurement methods and the level of inter-rater reliability and intra-rater reliability were analyzed.
Results: For forty participants, the concurrent validity between Image J and Angles video goniometer showed very high validity with ICC of 0.997(0.995∼0.999) and 0.994(0.994∼0.998), CVME% 0.71∼0.72%, SEM% 0.31∼0.34, MDC% 0.86∼0.94. The test-retest intra-rater reliability showed very high reliability ICC 0.994(0.991∼0.996), CVME% 0.71%, SEM% 0.31∼0.43, MDC% 0.86~1.19%. The test-retest inter-rater showed very high reliability ICC 0.995(0.992∼0.997), CVME% 0.71%, SEM% 0.43∼0.59%, MDC% 1.20∼1.62%
Conclusions: Angles video goniometer’, a smartphone application, is a device with very high reliability and validity for craniovertebral angle measurement in healthy adults, and it is a device that can be easily used in clinical practice.
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KEYWORD
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Software, Mobile Application, Neck pain, Posture, Cervical vertebrae, Reliability and Validity
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