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. 2013 Oct;25(10):1251-3.
doi: 10.1589/jpts.25.1251. Epub 2013 Nov 20.

Validity and reliability of wii fit balance board for the assessment of balance of healthy young adults and the elderly

Wen-Dien Chang  1 , Wan-Yi Chang, Chia-Lun Lee, Chi-Yen Feng
Affiliations

Validity and reliability of wii fit balance board for the assessment of balance of healthy young adults and the elderly

Wen-Dien Chang et al. J Phys Ther Sci. 2013 Oct.

Abstract

[Purpose] Balance is an integral part of human ability. The smart balance master system (SBM) is a balance test instrument with good reliability and validity, but it is expensive. Therefore, we modified a Wii Fit balance board, which is a convenient balance assessment tool, and analyzed its reliability and validity. [Subjects and Methods] We recruited 20 healthy young adults and 20 elderly people, and administered 3 balance tests. The correlation coefficient and intraclass correlation of both instruments were analyzed. [Results] There were no statistically significant differences in the 3 tests between the Wii Fit balance board and the SBM. The Wii Fit balance board had a good intraclass correlation (0.86-0.99) for the elderly people and positive correlations (r = 0.58-0.86) with the SBM. [Conclusions] The Wii Fit balance board is a balance assessment tool with good reliability and high validity for elderly people, and we recommend it as an alternative tool for assessing balance ability.

Keywords: Balance; Smart balance master system; Wii Fit balance board.

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