Determining the preferred modality for real-time biofeedback during balance training
Determining the preferred modality for real-time biofeedback during balance training
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DOI：
10.1016/j.gaitpost.2012.08.007
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发表时间：
2013-03-01
期刊：
影响因子：
2.4
通讯作者：
Sienko, Kathleen H.
中科院分区：
文献类型：
--
作者：
Bechly, Kelli E.;Carender, Wendy J.;Sienko, Kathleen H.
前庭康复治疗已被证明可以改善前庭缺陷患者的平衡和步态稳定性。然而，患者对规定的家庭锻炼计划的依从性是可变的。运动表现的实时反馈可以潜在地改善运动执行、运动动机和康复结果。本研究的目的是直接比较视觉和振动触觉反馈对姿势表现的影响，以告知选择反馈方式，包括在家庭为基础的平衡康复设备。8名外周前庭功能障碍受试者（46.6 ± 10.6岁）和8名年龄匹配的对照受试者（45.3 ± 11.1岁）参加了这项研究。受试者进行睁眼串联Romberg立场试验（振动触觉，离散视觉，连续视觉和多模式）和无（基线）反馈。主要结果测量包括身体倾斜的内外侧（M/L）和前后平均值和标准差，在无反馈区内花费的时间百分比，以及比较排名调查的平均得分。与基线相比，两组均改善了每种反馈方式的性能，在振动触觉、离散视觉或多模态反馈中观察到的性能无显著差异。前庭功能障碍的受试者在持续视觉反馈方面表现最好，排名最高。虽然对照组受试者在平均M/L倾斜方面的连续视觉反馈表现最好，但他们的排名最低。尽管观察到的改善，连续的视觉反馈涉及跟踪一个移动的目标，这是注意到诱导头晕在一些受试者与前庭缺陷，不能使用在演习中，头部位置是主动改变或在眼睛闭上的条件。(C)2012爱思唯尔有限公司版权所有。
Vestibular rehabilitation therapy has been shown to improve balance and gait stability in individuals with vestibular deficits. However, patient compliance with prescribed home exercise programs is variable. Real-time feedback of exercise performance can potentially improve exercise execution, exercise motivation, and rehabilitation outcomes. The goal of this study is to directly compare the effects of visual and vibrotactile feedback on postural performance to inform the selection of a feedback modality for inclusion in a home-based balance rehabilitation device. Eight subjects (46.6 +/- 10.6 years) with peripheral vestibular deficits and eight age-matched control subjects (45.3 +/- 11.1 years) participated in the study. Subjects performed eyes-open tandem Romberg stance trials with (vibrotactile, discrete visual, continuous visual, and multimodal) and without (baseline) feedback. Main outcome measures included medial-lateral (M/L) and anterior-posterior mean and standard deviation of body tilt, percent time spent within a no-feedback zone, and mean score on a comparative ranking survey. Both groups improved performance for each feedback modality compared to baseline, with no significant differences in performance observed among vibrotactile, discrete visual, or multimodal feedback for either group. Subjects with vestibular deficits performed best with continuous visual feedback and ranked it highest. Although the control subjects performed best with continuous visual feedback in terms of mean M/L tilt, they ranked it lowest. Despite the observed improvements, continuous visual feedback involves tracking a moving target, which was noted to induce dizziness in some subjects with vestibular deficits and cannot be used during exercises in which head position is actively changed or during eyes-closed conditions. (C) 2012 Elsevier B.V. All rights reserved.