Affiliations: [a] School of Rehabilitation Sciences, Wellness and Rehabilitation Research Niche Group, Faculty of Health Science, Universiti Kebangsaan Malaysia, Malaysia | [b] Department of Biomedical Sciences, School of Diagnostic and Applied Health Sciences, Wellness and Rehabilitation Research Niche Group, Faculty of Health Science, Universiti Kebangsaan Malaysia, Malaysia | [c] Biofit Technology and Services, Singapore
Correspondence:
[*]
Corresponding author: Dr Leonard Joseph, Senior Lecturer in Physiotherapy, Program Physiotherapy, School of Rehabilitation Sciences, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia. Tel.: +60 19 6781935; E-mail:[email protected]
Abstract:
BACKGROUND: The reliability of a triaxial accelerometer in
measuring the head excursion during typing task among occupational typists
has not been reported so far.
OBJECTIVE: This study aimed to investigate the intra-rater
reliability of triaxial accelerometer measurement of head excursion.
METHODS: The triaxial accelerometer measurements were taken to
measure head excursion of 8 participants typing in the computer. The
intra-rater reliability such as intraclass correlation coefficient, standard
error of measurements and coefficient of variation was calculated. The
Bland-Altman plot was performed to strengthen the study result.
RESULTS: The analysis of the results showed that the intra-rater
reliability of triaxial accelerometer was high with intraclass correlation
coefficient (2,1) of 0.986, standard error of measurements (1.05 Hz)
and coefficient of variation (3.2%) for two trials of measurements. The
Bland-Altman reported an acceptable agreement between the two measurements
taken using the triaxial accelerometer to measure head excursion.
CONCLUSIONS: The triaxial accelerometer is a simple, objective and
useful technology to measure head excursion among the occupational typists.
Keywords: Accelerometer, head excursion, neck movement, reliability, measurement
