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Associations of accelerometer-determined physical activity and sedentary behavior with sarcopenia and incident falls over 12 months in community-dwelling Swedish older adults

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Journal of Sport and Health Science 2021年第5期10卷 577-584页

作者： David Scott Jonas Johansson anoohya gandham Peter R.Ebeling Peter Nordstrom Anna Nordstrom Department of Medicine School of Clinical Sciences at Monash HealthMonash UniversityClaytonVIC 3168Australia Department of Medicine and Australian Institute of Musculoskeletal Science Melbourne Medical School Western Campusthe University of MelbourneSt AlbansVIC 3021Australia Department of Public Health and Clinical Medicine Section of Sustainable HealthUmea UniversityUmea SE-90187Sweden Department of Community Medicine UiT the Arctic University of NorwayTromsø9010Norway Department of Community Medicine and Rehabilitation Geriatric MedicineUmea UniversityUmea SE-90187Sweden School of Sport Sciences UiT the Arctic University of NorwayTromsø9010Norway

Purpose:This study was aimed to determine associations of accelerometer-determined time and bouts of sedentary behavior,light physical activity(LPA),and moderate-to-vigorous PA(MVPA)with sarcopenia and incident falls over 12 ***:A total of 3334 Swedish 70-year-olds were assessed for sarcopenia,as defined by the revised definition of the European Working Group on Sarcopenia in Older *** were based on low scores for appendicular lean mass(dual-energy X-ray absorptiometry),hand grip strength,and the Timed Up and Go *** 7 days after baseline,total time and total number of bouts(≥10 min of continuous activity at a given intensity)of activity performed at sedentary,LPA,and MVPA intensities were assessed by *** falls were self-reported 6 months and 12 months after ***:Only 1.8%of participants had probable or confirmed *** multivariable adjustment for other levels of activity,only greater MVPA time was associated with a decreased likelihood of having low appendicular lean mass,low hand grip strength,and slow Timed Up and Go time as defined by the European Working Group on Sarcopenia in Older People criteria(all p0.05).Conclusion:Higher amounts of accelerometer-determined MVPA are consistently associated with a decreased likelihood of sarcopenia and its components,regardless of the length of bouts or amounts of sedentary behavior.

关键词： Accelerometer Falls Older adults Physical activity Sarcopenia

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