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Effects of a dual-task training on dynamic and static balance control of pre-frail elderly: a pilot study

机译：双任务训练对体弱老人动态和静态平衡控制的影响：一项初步研究

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INTRODUCTION: This quasi-experimental study is justified by the need to determine the effects of an intervention strategy aimed at improving the static and dynamic balance in pre-frail elderly women. We hypothesized that dual-task training on a treadmill, compared to simple training on a treadmill,may promote statistical difference in postural control of this group. OBJECTIVES: This study aimed to verify the measures of postural control in a group of pre-frail elderly after a physical therapy intervention program based on dual-task treadmill training. MATERIALS AND METHODS: We selected six female pre-frail elderly subjects living in the community. The research was conducted twice a week for 45 minutes, for four weeks. The simple task training consisted only in the use of a treadmill and the dual-task training consisted on the use of a treadmill associated with visual stimuli. Only the intervention group was submitted to the dual-task training. RESULTS: Groups showed improvements in the variables of balance in different tasks, especially on static balance. Both groups showed the most notable changes in the variables related to gait. The BBS scores and the baropodometric variables showed that the experimental group could keep all values similar or better even one month after completion of training, unlike the control group. CONCLUSION: The dual-task performance had no additional value in relation to the improvement of balance in general, but we observed that the effectiveness of visual stimulation seems to occur in the maintenance of short-term balance variables.
机译：简介：这项准实验性研究的理由是需要确定旨在改善体弱的老年妇女的静态和动态平衡的干预策略的效果。我们假设与在跑步机上进行简单训练相比，在跑步机上进行双任务训练可能会促进该组姿势控制的统计学差异。目的：本研究旨在验证一组基于双任务跑步机训练的物理治疗干预计划后的体弱多病的老年人的体位控制措施。材料和方法：我们选择了六名居住在社区中的女性身体衰弱的老年受试者。这项研究每周进行两次，持续45分钟，持续4周。简单任务训练仅包括使用跑步机，而双重任务训练仅包括使用与视觉刺激相关的跑步机。仅干预组接受了双重任务培训。结果：各组在不同任务，特别是静态平衡方面，平衡变量得到改善。两组均显示出与步态有关的变量中最显着的变化。 BBS分数和气压计变量表明，与对照组不同，实验组甚至在训练完成后一个月就可以使所有值保持相似或更好。结论：一般而言，双重任务的表现与平衡的改善没有附加价值，但我们观察到视觉刺激的有效性似乎在维持短期平衡变量中出现。

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