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KMID : 1012020230120030320
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Physical Therapy Rehabilitation Science
2023 Volume.12 No. 3 p.320 ~ p.326
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Comparison of Effects on Static Balance in Stroke Patients According to Visual Biofeedback Methods
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Han Sang-Keun
Kwon Il-Ho
Shin Won-Seob
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Abstract
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Objective : The purpose of this study is to investigate the impact of visual biofeedback methods utilizing pressure sensors on the static balance of stroke patients.
Design : Randomized crossover study.
Methods : A total of 27 patients with hemiparesis participated in this study. The following three feedback conditions were considered: condition 1 (Knowledge of performance feedback), condition 2 (Knowledge of result feedback), and condition 3 (None feedback). A force plate was used to measure static balance. The total sway length, average sway velocity, x-axis excursion, and y-axis excursion of the center of pressure were measured. One-way repeated-measures analysis of variance was employed for comparisons of variables between each condition. The statistical significance level was set at α = 0.05 for all analyses.
Results : There was a significant difference in the static balance results between each feedback condition (p<0.05). In the post-hoc results, it was confirmed that the static balance was significant in the order of knowledge of performance feedback, knowledge of result feedback, and none feedback.
Conclusions : When comparing the three conditions, it was observed that knowledge of performance feedback showed the most improved effect on static balance ability. As further research progresses, that this approach could be used as an effective intervention method in clinical settings.
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KEYWORD
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Stroke, Feedback, Training, Balance
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