急性膝关节拐杖使用导致姿势策略改变

IF 1.4 4区 心理学 Q4 PSYCHOLOGY, EXPERIMENTAL
Christian Maron, Aron Jendre, Daniel Goble, Charles Marks, Joshua Haworth
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引用次数: 0

摘要

单腿膝关节拐杖是一种相对较新的免提式助行装置,与标准腋拐相比具有很多优点。本研究的主要目的是评估健康人群首次接触膝拐杖装置时的平衡能力。我们让 20 名健康人(中位年龄 = 21.1 岁;标准差 = 1.5 岁)在测力板上完成基线静态和动态平衡测试,然后安装膝关节拐杖,进行自选时间的行走练习,并在佩戴膝关节拐杖时进行另一轮平衡测试。我们使用 BTrackS 平衡测试(BBT)来测量静态平衡,使用 BTrackS 稳定极限(BLOS)测试来测量动态平衡,并根据 BLOS 的结果创建了自定义的侧向偏差评分。参与者平均自主选择了 3.1 分钟的行走练习。佩戴膝盖拐杖导致静态平衡路径长度增加了近一倍,BBT百分位数排名大幅下降。动态平衡面积减少了一半以上(p <.001),在BLOS中的侧向偏差得分表明,参与者严重偏向于非拐杖腿(p <.001)。我们的研究结果表明,在佩戴拐杖时,静态和动态平衡发生了显著变化,参与者似乎转而采用单腿站立策略。尽管出现了这些平衡变化,但参与者很快就做好了准备,并愿意使用单腿拐杖完成独立行走和平衡测试程序。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Acute Knee Crutch Use Provokes Changes to Postural Strategy
Single-leg knee crutches are a relatively new, hands-free mobility assistive device with benefits over standard axillary crutches. Our main goal in this study was to evaluate balance ability in a healthy population upon first exposure to the knee crutch device. We had 20 healthy individuals ( M age = 21.1; SD = 1.5 years ) complete baseline static and dynamic balance tests on a force plate, followed by knee crutch fitting, a self-selected duration of ambulation practice, and another round of balance testing while wearing the knee crutch. We used the BTrackS Balance Test (BBT) to measure static balance, and the BTrackS Limits of Stability (BLOS) test to measure dynamic balance, and we created a custom lateral bias score from the BLOS results. On average, participants self-selected 3.1 minutes of ambulation practice. Wearing the knee crutch caused a near doubling of static balance path length and a large reduction in percentile ranking on the BBT. Dynamic balance area was more than halved ( p < .001), with lateral bias scores during the BLOS, indicating that participants heavily favored their non-crutched leg ( p < .001). Our results indicate that static and dynamic balance were significantly altered when wearing the knee crutch, and participants seemed to switch to a single leg stance strategy. Despite these balance changes, participants were quickly ready and willing to complete independent ambulation and balance testing procedures using the single-leg knee crutch.
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来源期刊
Perceptual and Motor Skills
Perceptual and Motor Skills PSYCHOLOGY, EXPERIMENTAL-
CiteScore
2.90
自引率
6.20%
发文量
110
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