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首页> 外文期刊>Gait & posture >Backward walking measures are sensitive to age-related changes in mobility and balance
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Backward walking measures are sensitive to age-related changes in mobility and balance

机译：向后步行的措施对与年龄有关的活动性和平衡性变化敏感

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Many falls occur from backward perturbations or during transitional movements that require a person to turn and step backwards, suggesting that deficits in backward stepping may negatively impact mobility. Previous studies found significant declines in backward walking (BW) spatiotemporal measures in healthy elderly compared to young adults. No studies to date have examined BW performance in middle-aged adults and in elderly with impaired mobility. This study compared spatiotemporal measures of BW and forward walking (FW) in young, middle-aged, and elderly and in elderly fallers and non-fallers; and compared the strength of the relationship between age and BW and FW spatiotemporal measures to determine the utility of BW performance as a clinical tool for examining safety and mobility. BW measures were significantly more impaired in the elderly (. n=. 62) compared to young (. n=. 37) and middle-aged (. n=. 31) adults and age effects were greater in BW than FW. No significant differences were found between young and middle-aged except for base of support in BW. Stronger correlations were found between age and BW measures than between age and FW measures, particularly correlations between age and BW velocity and stride length. Elderly fallers had greater deficits in BW performance than non-fallers. All elderly fallers had BW velocities <.6. m/s. Clinicians are encouraged to assess BW, particularly BW velocity, as part of mobility examinations.
机译：许多跌倒是由于向后扰动或在过渡运动过程中发生的，这需要人转身并向后退，这表明后退步伐不足可能会对行动能力产生负面影响。先前的研究发现，健康的老年人与年轻人相比，向后行走（BW）的时空测量值有显着下降。迄今为止，尚无研究检查中年成年人和行动不便的老年人的体重状况。这项研究比较了年轻人，中年人和老年人以及老年跌倒者和非跌倒者的BW和向前行走（FW）的时空测量。并比较了年龄与BW和FW时空措施之间关系的强度，以确定BW表现作为检查安全性和机动性的临床工具的效用。与年轻人（.n = .37）和中年（.n = .31）成年人相比，老年人（.n = .62）的BW测验明显受损更大，并且BW的年龄影响大于FW。除了BW的支持基础外，年轻和中年之间没有发现显着差异。发现年龄和体重测量之间的相关性比年龄和体重测量之间的相关性更强，尤其是年龄和体重测量速度与步幅之间的相关性。老年跌倒者的体重表现比非跌倒者更大。所有老年跌倒者的BW速度<.6。多发性硬化症。鼓励临床医生评估BW，尤其是BW速度，作为流动性检查的一部分。

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