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首页> 美国卫生研究院文献>International Journal of Epidemiology >Bidirectional association between physical activity and muscular strength in older adults: Results from the UK Biobank study
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Bidirectional association between physical activity and muscular strength in older adults: Results from the UK Biobank study

机译：老年人身体活动与肌肉力量之间的双向关联：英国生物库研究的结果

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>Background: The relationship between physical activity and muscular strength has not been examined in detail among older adults. The objective of this study was to examine the associations between physical activity and hand grip strength among adults aged ≥ 60 years. >Methods: Using data from the UK Biobank study, we included 66 582 men and women with complete baseline data and 6599 with 4.5 years of follow-up data. We used multiple linear regression models to examine the cross-sectional, longitudinal and bidirectional associations between moderate-to-vigorous physical activity (MVPA) and grip strength, adjusting for potential confounding by age, sex, height, weight, health status, education level, smoking status, Townsend deprivation index and retirement status. >Results: In cross-sectional analyses, grip strength and MVPA were linearly and positively associated with each other. Longitudinally, baseline MVPA was not associated with grip strength at follow-up {difference between quintile [Q] 5 and Q1 = 0.40 [95% confidence interval (CI): -0.14, 0.94]kg}, whereas baseline grip strength was associated with MVPA at follow-up [Q5 vs Q1 = 7.15 (1.18, 13.12) min/day]. People who maintained/increased time spent in MVPA did not experience any benefit in grip strength [0.08 (−0.20, 0.37) kg] whereas those who increased their grip strength spent 3.69 (0.20, 7.17) min/day extra in MVPA. >Conclusion: Promotion of strength-training activities may enable and maintain participation in regular physical activity among older adults.
机译：>背景：尚未详细研究老年人的体育锻炼与肌肉力量之间的关系。这项研究的目的是研究≥60岁成年人的体育锻炼与握力之间的关系。 >方法：使用UK Biobank研究的数据，我们纳入了66582名具有完整基线数据的男性和6599名具有4.5年随访数据的男性和女性。我们使用了多个线性回归模型来检验中度至剧烈的体育活动（MVPA）与握力之间的横断面，纵向和双向关联，并根据年龄，性别，身高，体重，健康状况，教育水平对潜在的混淆因素进行了调整，吸烟状态，汤森剥夺指数和退休状态。 >结果：在横截面分析中，握力和MVPA呈线性正相关。纵向上，基线MVPA与随访时的握力不相关{五分位数[Q] 5和Q1的差= 0.40 [95％置信区间（CI）：-0.14，0.94] kg]，而基线握力与随访时的MVPA [Q5 vs Q1 = 7.15（1.18，13.12）min / day]。维持/增加在MVPA上花费时间的人在握力上没有任何好处[0.08（−0.20，0.37）kg]，而那些增加握力的人每天在MVPA上多花了3.69（0.20，7.17）min / day。 >结论：开展力量训练活动可以使并保持老年人参加常规体育锻炼。

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