Association Between Accelerometer-Measured Physical Activity and Mobility Limitations in Twins.

IF 1.4 4区医学 Q4 GERIATRICS & GERONTOLOGY Journal of Aging and Physical Activity Pub Date : 2024-10-08 DOI:10.1123/japa.2023-0445

Pia Pullinen, Jari Parkkari, Jaakko Kaprio, Henri Vähä-Ypyä, Harri Sievänen, Urho Kujala, Katja Waller

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Abstract

Background: The associations between mobility limitations and device-measured physical activity are sparsely studied. In this study, these associations are studied among community-dwelling older twins.

Methods: This cross-sectional study utilized data gathered in 2014-2016 for the MOBILETWIN study. Participants were twins born in Finland between 1940 and 1944 (774 participants, mean age 73 years). Physical activity was measured with a hip-worn accelerometer. Mobility limitations were assessed with a questionnaire.

Results: Individual-level analyses revealed that physical activity was associated with mobility limitations. Participants with severe mobility limitations took 2,637 (SD = 1,747) steps per day, those with some mobility limitations 4,437 (SD = 2,637) steps, and those without mobility limitations 7,074 (SD = 2,931) steps (p < .05). The within-twin pair analyses revealed the same pattern for the 144 dizygotic twin pairs, but no associations were seen for the 117 monozygotic twin pairs.

Conclusions: Accelerometer-measured physical activity and mobility limitations were associated in community-dwelling older adults. Genetic factors may explain some of the variations in physical activity.

Significance: A personalized exercise program to promote increased physical activity should be provided for older adults who report mobility difficulties. Future research is needed to examine causality between physical activity and mobility limitations.

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双胞胎加速度计测量的运动量与行动不便之间的关系

背景：关于行动不便与设备测量的体力活动之间的关系的研究很少。本研究对居住在社区的老年双胞胎进行了研究：这项横断面研究利用了 2014-2016 年 MOBILETWIN 研究收集的数据。参与者为 1940 年至 1944 年间在芬兰出生的双胞胎（774 人，平均年龄 73 岁）。体力活动通过臀部佩戴的加速度计进行测量。通过问卷调查对行动限制进行评估：个人层面的分析表明，体力活动与行动不便有关。行动能力严重受限的参与者每天走2,637步（标准差=1,747步），有一些行动能力受限的参与者每天走4,437步（标准差=2,637步），而没有行动能力受限的参与者每天走7,074步（标准差=2,931步）（p < .05）。对144对双卵双生子进行的双生子内分析显示了相同的模式，但对117对单卵双生子则没有发现任何关联：结论：在社区居住的老年人中，加速度计测量的体力活动与行动不便有关。结论：在社区居住的老年人中，加速度计测量的体力活动量与行动不便有关，遗传因素可能解释了体力活动量的一些变化：意义：应该为报告行动不便的老年人提供个性化的锻炼计划，以促进他们增加体力活动。未来的研究需要对体育锻炼和行动不便之间的因果关系进行研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Aging and Physical Activity 医学-老年医学

CiteScore

2.60

自引率

6.70%

发文量

105

审稿时长

>12 weeks

期刊介绍： The Journal of Aging and Physical Activity (JAPA) is a multidisciplinary journal that publishes peer-reviewed original research reports, scholarly reviews, and professional-application articles on the relationship between physical activity and the aging process. The journal encourages the submission of articles that can contribute to an understanding of (a) the impact of physical activity on physiological, psychological, and social aspects of older adults and (b) the effect of advancing age or the aging process on physical activity among older adults. In addition to publishing research reports and reviews, JAPA publishes articles that examine the development, implementation, and evaluation of physical activity programs among older adults. Articles from the biological, behavioral, and social sciences, as well as from fields such as medicine, clinical psychology, physical and recreational therapy, health, physical education, and recreation, are appropriate for the journal. Studies using animal models do not fit within our mission statement and should be submitted elsewhere.