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KMID : 1012020220110040488
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Physical Therapy Rehabilitation Science
2022 Volume.11 No. 4 p.488 ~ p.492
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Reliability and Validity of Balancia 2.5 Program Using Wii Balance Board for Assessment of Static Balance Ability
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Kim Ho
Kum Dong-Min
Shin Won-Seob
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Abstract
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Objective: The purpose of this study is to find out the reliability and validity of the newly updated Balancia 2.5 program using Wii balance board through equipment that can measure center of pressure data with the precision.
Design: Cross-sectional study
Methods: Twenty-seven healthy adults participated in the study. The subjects were assessed for static balance ability by Accusway, and were assessed for static balance ability on Wii balance board connected to the Balancia 2.5 program.To limit postural fluctuations due to stare, the subjects were asked to look at a 15 cm dot drawn 3 m in front of them for 30 seconds with their eyes open. Static balance ability data such as path length and sway velocity were extracted from all measurement tools.Intra-rater and inter-rater reliability and validity were extracted through intraclass correlation coefficient (ICC) and 95% confidence interval (CI).
Results: The intra-rater reliability that the same rater shows consistent results through test-retest was a high level at ICC＝0.968 (0.926∼0.986), and inter-rater reliability that the requires consistent results even when measured by different raters was a high level at ICC＝0.943 (0.870∼0.975). The validity was a high level at ICC＝0.948 (0.881∼0.977), which shows whether the measurement tool is properly measuring what it is intended to measure.
Conclusions: The Balancia 2.5 program, newly updated through this study, proved to be a program with high reliability and validity in evaluating static balance ability like the existing Balancia 2.0 program.
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KEYWORD
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Balance, Center of pressure, Assessment, Reliability, Validity
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