Association between accelerometer-measured physical activity and muscle capacity in middle-aged postmenopausal women

Menopause : the Journal of the North American Menopause Society
Chad R StraightE M Evans

Abstract

Greater muscle strength and power are associated with better physical function in middle-aged and older women. The aim of the present study was to determine whether accelerometer-measured physical activity was associated with muscle strength and power in middle-aged postmenopausal women. Postmenopausal women (N = 60; mean [SD] age, 58.9 [3.9] y) were assessed for physical activity (step count and moderate to vigorous physical activity [MVPA]) via accelerometer, for body composition via dual-energy x-ray absorptiometry, for concentric isokinetic knee torque at 60°/s and 180°/s using isokinetic dynamometry, and for leg extensor power with the Nottingham power rig. In linear regression analysis, daily step count was independently associated with isokinetic knee torque at 60°/s (standardized β = 0.32, P = 0.01), isokinetic knee torque at 180°/s (standardized β = 0.32, P = 0.01), and total leg extensor power (β = 0.36, P = 0.01) after adjustment for covariates. Daily MVPA had similar associations with isokinetic knee torque at 60°/s (β = 0.38, P < 0.01), isokinetic knee torque at 180°/s (β = 0.41, P < 0.01), and leg power (β = 0.31, P = 0.02). Analysis of covariance indicated that women who engaged in MVPA for 30 minutes or more per...Continue Reading

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Citations

Jul 3, 2016·Journal of Obstetrics and Gynaecology Canada : JOGC = Journal D'obstétrique Et Gynécologie Du Canada : JOGC·UNKNOWN Nutrition Working GroupAnthony Cheung
Jul 3, 2016·Journal of Obstetrics and Gynaecology Canada : JOGC = Journal D'obstétrique Et Gynécologie Du Canada : JOGC·UNKNOWN Groupe de travail sur la nutritionAnthony Cheung
Aug 24, 2018·Current Opinion in Supportive and Palliative Care·Michael I Ramage, Richard J E Skipworth
Nov 3, 2016·Journal of Bone and Mineral Research : the Official Journal of the American Society for Bone and Mineral Research·Feitong WuTania Winzenberg
Nov 25, 2020·The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences·Dmitriy BondarevSarianna Sipilä

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