RANGES OF POSTURAL STABILITY AND THEIR CHANGES IN THE ELDERLY
RANGES OF POSTURAL STABILITY AND THEIR CHANGES IN THE ELDERLY
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DOI：
10.1016/0966-6362(94)90012-4
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发表时间：
1994-03-01
期刊：
影响因子：
2.4
通讯作者：
HANSEN, PD
中科院分区：
文献类型：
--
作者：
BLASZCZYK, JW;LOWE, DL;HANSEN, PD
通过测量最大自愿倾斜过程中前后和内外侧方向的足部中心压力的最大自愿偏移，评价了9名年轻受试者和9名老年受试者的直立姿势稳定性。标准化的最大自愿偏移，倾斜路径，并达到最大自愿偏移的平均时间，以及在最大自愿偏移的足部中心压力振荡的范围显示出与年龄相关的变化。老年人有一个显着较小的最大自愿偏移比年轻人在向后和左倾的最大自愿偏移前倾和右倾的非显着减少。老年人接近最大自愿漂移在一个较低的控制方式表现出更大的变化，在他们的精益路径，并有更大的范围内的振荡，在他们的最大自愿漂移。在前倾试验中，老年人达到最大自愿偏移所需的时间也明显更长。
The stability of upright posture was evaluated in nine young and nine elderly subjects by measuring the maximum voluntary excursion of the centre-of-foot pressure in the anteroposterior and mediolateral directions during maximal voluntary leaning. Normalized maximum voluntary excursion, lean path, and mean time to attain maximum voluntary excursion, as well as range of centre-of-foot pressure oscillations at maximum voluntary excursion showed age-related changes. The elderly had a significantly smaller maximum voluntary excursion than the young in the backward and left leans with a non-significant reduction in maximum voluntary excursion leaning forward and right. The elderly approached maximum voluntary excursion in a less controlled manner exhibiting greater variability in their lean paths, and had greater range of oscillations at their maximum voluntary excursion. The elderly also took a significantly longer time to reach maximum voluntary excursion in the forward-lean trials.