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首页> 外文学位 >Vibration of the foot sole as an intervention to improve older adults' postural stability.
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Vibration of the foot sole as an intervention to improve older adults' postural stability.

机译：脚底的振动作为改善老年人姿势稳定性的干预措施。

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摘要

Increase of postural instability is one of the significant issues related to aging, due to its relevance concerning risk for falls and associated impacts on life quality and health care costs in the U.S. Sub-threshold vibration stimulation, a passive, non-invasive countermeasure to sensorimotor decline has shown promising results related to the improvement of stability in healthy older adults and in neuropathic patients.;To date, no studies have systematically investigated the potential benefits or functional limitations of this vibration intervention, and potential interactions with healthy aging processes in more demanding postural tasks. Those tasks mimic real-life situations where postural stability is challenged and actual falls might occur in older adults. The objectives of this study were to compare postural performance and control characteristics between older and younger healthy individuals, and to investigate potential changes when a vibration intervention is introduced. The effects of aging, foot sole vibration, and potential interactions were investigated in (1) a sensory conflict postural task, (2) a dual-task environment, and (3) a postural perturbation task (support surface translation). The study was performed on 10 younger adults (25.1+/-2.3 years) and 10 older adults (78.6+/-5.4 years). Vibration to the feet was delivered via custom-made rubber soles with embedded vibrotactile chips.;Results indicate that (1) sensory conflict task characteristics are associated with age and vibration affects specific postural outcomes in the older group; the intervention improves postural performance when conflicting visual information is provided; (2) specific outcomes are associated with age in dual-tasking, but vibration does not affect those outcomes; (3) age is associated with specific spatial outcome measures when a postural perturbation is introduced, older adults are able to maintain stability, although they allow for more sway throughout the task; vibration does not affect performance or control characteristics.;The study provides novel insight about the potential of sub-threshold vibration to the feet, and its effects on two different age groups. More research is needed to evaluate the potential of vibrating soles in more severely (balance-) impaired individuals.
机译：姿势不稳的增加是与衰老有关的重要问题之一，因为在美国，跌倒风险与跌倒风险以及对生活质量和医疗保健成本的相关影响有关，次阈值振动刺激是一种感觉运动的被动，非侵入性对策下降已显示出与健康的老年人和神经病患者的稳定性改善相关的令人鼓舞的结果。迄今为止，尚无研究系统地研究这种振动干预的潜在益处或功能局限性，以及在要求更高的人群中与健康衰老过程的潜在相互作用姿势任务。这些任务模仿现实生活中的姿势稳定性受到挑战的情况，老年人可能会跌倒。这项研究的目的是比较年龄较大和较年轻的健康个体之间的姿势表现和控制特征，并研究引入振动干预后的潜在变化。在（1）感觉冲突姿势任务，（2）双重任务环境和（3）姿势扰动任务（支撑表面平移）中研究了衰老，脚底振动和潜在相互作用的影响。该研究在10位年轻的成年人（25.1 +/- 2.3岁）和10位年龄较大的成年人（78.6 +/- 5.4岁）上进行。脚部振动通过带有嵌入触觉触觉芯片的定制橡胶底进行。;结果表明：（1）感觉冲突任务特征与年龄相关，振动会影响老年组的特定姿势结果；当提供有冲突的视觉信息时，干预措施可改善姿势表现； （2）在双重任务中特定的结局与年龄有关，但振动不会影响这些结局； （3）引入姿势扰动后，年龄与特定的空间结局指标相关，老年人可以保持稳定，尽管他们可以在整个任务过程中摆出更多的姿势；振动不会影响性能或控制特性。该研究提供了关于脚下阈值振动的潜力及其对两个不同年龄组的影响的新颖见解。需要更多的研究来评估更严重（平衡）受损人士的鞋底振动潜力。

著录项

  • 作者

    Dettmer, Marius.;

  • 作者单位

    University of Houston.;

  • 授予单位 University of Houston.;
  • 学科 Health sciences.;Aging.
  • 学位 Ph.D.
  • 年度 2014
  • 页码 189 p.
  • 总页数 189
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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