Validity of the Nintendo Wii® balance board for the assessment of standing balance in Parkinson's disease

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Abstract

Background:

Impaired postural stability places individuals with Parkinson's at an increased risk for falls. Given the high incidence of fall-related injuries within this population, ongoing assessment of postural stability is important.

Objective:

To evaluate the validity of the Nintendo Wii® balance board as a measurement tool for the assessment of postural stability in individuals with Parkinson's.

Subjects:

Twenty individuals with Parkinson's participated. Intervention: Subjects completed testing on two balance tasks with eyes open and closed on a Wii® balance board and biomechanical force platform.

Main Measures:

Bland-Altman plots and a two-way, random-effects, single measure intraclass correlation coefficient model were used to assess concurrent validity of centre-of-pressure data.

Results:

Concurrent validity was demonstrated to be excellent across balance tasks (intraclass correlation coefficients = 0.96, 0.98, 0.92, 0.94).

Conclusions:

This study suggests that the Wii® balance board is a valid tool for the quantification of postural stability among individuals with Parkinson's.

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