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Interchangeability of the Wii Balance BoardTM for bipedal balance assessment This publication appears in: JMIR Rehabilitation and Assistive Technologies Authors: B. Bonnechère, B. Jansen, L. Omelina, M. Rooze and S. Van Sint Jan Volume: 2 Issue: 2 Pages: 1-8 Publication Date: Aug. 2015
Abstract: Background: Since 2010, an increasing interest in more portable and flexible hardware for balance and posture assessment ledto previously published studies determining whether or not the Wii Balance Board could be used to assess balance and posture,both scientifically and clinically. However, no previous studies aimed at comparing results from different Wii Balance Boardsfor clinical balance evaluation exist.Objective: The objective of this crossover study is to assess the interchangeability of the Wii Balance Board.Methods: A total of 6 subjects participated in the study and their balance was assessed using 4 different Wii Balance Boards.Trials were recorded simultaneously with Wii Balance Boards and with a laboratory force plate. Nine relevant clinical parameterswere derived from center of pressure displacement data obtained from Wii Balance Board and force plate systems. Intraclasscorrelation coefficients (ICC), F tests, and Friedman tests were computed to assess the agreement between trials and to comparethe Wii Balance Board and force plate results.Results: Excellent correlations were found between the Wii Balance Board and force plate (mean ? =.83). With the exceptionof 2 parameters, strong to excellent agreements were found for the 7 remaining parameters (ICC=.96). No significant differenceswere found between trials recorded with different Wii Balance Boards.Conclusions: Our results indicate that for most of the parameters analyzed, balance and posture assessed with one Wii BalanceBoard were statistically similar to results obtained from another. Furthermore, the good correlation between the Wii BalanceBoard and force plate results shows that Wii Balance Boards can be reliably used for scientific assessment using most of theparameters analyzed in this study. These results also suggest that the Wii Balance Board could be used in multicenter studies andtherefore, would allow for the creation of larger populations for clinical studies.Trial Registration: Ethical Committee of the Erasme Hospital (CCB B406201215142).
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