Validity and Reliability of the Wii Balance Board for Static Balance Assessment in Healthy Young Adults

Malays J Med Sci. 2019 Mar; 26(2): 114–121.

K.Kaewkaen,corresponding author1,4 S. Uthama,2 W. Ruengsirarak,2 and R. Puntumetakul3,4

Abstract

Abstract

Introduction

The Wii Balance Board (WBB) is a commonly used tool for balance assessment, however the inconsistency in the reported validity for the WBB when used for the assessment of healthy young adults needs to be clarified.

Aim

To investigate the concurrent validity and reliability of the WBB for balance assessment in healthy young adults.

Methods

Thirty-two young adults participated in this study. Their ability to balance was tested while standing on a WBB and a laboratory-grade force platform, under three conditions: feet together with eyes open, feet together with eyes closed and semi-tandem standing with eyes open. They had 10 min resting period between tests. The agreement between the WBB and the laboratory-grade force platform was investigated, and the reliability of the WBB was determined.

Results

A poor agreement between the WBB and the laboratory-grade force platform was found for all standing conditions [intraclass correlation coefficient (ICC) = 0.03 to 0.07]. A moderate to high reliability was found for the WBB for balance assessment in healthy young adults (ICC = 0.66 to 0.76).

Conclusion

The WBB was found to be a reliable tool for static balance assessment in healthy young adults. However, it had poor validity compared to the laboratory-grade force platform.

Keywords: balance assessment, young adults, Wii Balance Board
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