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首页> 外文期刊>The journals of gerontology.Series A. Biological sciences and medical sciences >Chasing a theoretical basis for the definition and analysis of nonlinear patterns of activity in older adults.
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Chasing a theoretical basis for the definition and analysis of nonlinear patterns of activity in older adults.

机译：为老年人活动的非线性模式的定义和分析提供理论依据。

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摘要

We read with interest the article by Cavanaugh and colleagues (1) concerning the natural ambulatory activity patterns of older community-dwelling adults. The use of nonlinear analysis to describe habitual activity is an area of emerging research, prompted by the limited value in reporting the amount of physical activity, such as the number of steps walked in a day. Timing, duration, and variability of activity may be relevant to health and successful ageing. Accelerometry enables the long-term objective monitoring of physical activity; however, the theoretical basis for the description of physical activity and the analytical techniques used to deal with the complexity of these data are lacking. Cavanaugh's analysis is based on Paraschiv-Ionescu's work (2); namely the application of fractal and information theory technique to look at patterns of physical activity of older adults; however, the authors' rationale for applying these specific nonlinear measures is harder to discern.
机译：我们感兴趣地阅读了Cavanaugh及其同事的文章（1），该文章涉及老年人在社区居住的自然活动模式。使用非线性分析来描述习惯性活动是一项新兴的研究领域，这是由于报告身体活动量（例如一天中行走的步数）的价值有限。活动的时间，持续时间和变异性可能与健康和成功的衰老有关。加速度计可以对体育活动进行长期的客观监测;但是，缺乏用于描述体育活动的理论基础和用于处理这些数据的复杂性的分析技术。 Cavanaugh的分析基于Paraschiv-Ionescu的工作（2）;即运用分形和信息论技术研究老年人的身体活动模式;然而，作者运用这些特定的非线性测度的基本原理难以辨别。

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