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KMID : 1812820200040010025
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Journal of Korean Dental Hygiene Science
2020 Volume.4 No. 1 p.25 ~ p.29
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Digital Goniometer for Measuring 3-Dimensional Neck Movement: Reliability and Validity Test
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Jung Do-Young
Kim Hyun-Soo
Kim Dong-Wook
Han Ji-Won
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Abstract
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Background: In clinical setting, the cervical range of motion (ROM) is commonly used to identify movement impairment and assess function of neck. For assessing and improving the cervical ROM and proprioception, we developed the device using the digital goniometer with inertial measurement unit.
Purpose: The purpose of this study was to determine the intra-rater reliability and validity of cervical ROM measurement using the digital goniometer and Cervcial Range-of-Motion (CROM) device.
Study design: Cross-sectional study.
Methods: Fifteen healthy subjects without neck pain were participated in this study. The measure-ments of flexion, extension, side-bending (right/left), and rotation (right/left) were made with CROM device and digital goniometer in sitting. Two trials of cervical ROM measurement (6 movements) were performed for each subject. Validity and intra-rater reliability were determined using Spearman correlation coefficient and intra-class correlation coefficient (ICC3,1) for digital goniometer and CROM, respectively.
Results: The digital goniometer demonstrated good (Spearman ρ=0.88?0.98, p<0.01) validity for CROM. The intra-rater reliability was demonstrated for cervical flexion (ICC3,1=0.99), extension (ICC3,1=0.99), right (ICC3,1=0.99) and left (ICC3,1=0.99) lateral flexion, right (ICC3,1=0.99) and left (ICC3,1=0.99) rotation.
Conclusions: The digital goniometer was found to be reliable and valid for measuring cervical ROM in three planes for normal subjects. However, before using the digital goniometer as an outcome measure in clinical settings, studies should be performed on subjects with neck pain.
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KEYWORD
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Cervical range of motion, Inertial measurement unit, Reliability, Validity
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