Pattern of physical activity can influence its efficacy on muscle and bone health in middle-aged men and women

Luo, Jin ORCID: https://orcid.org/0000-0001-5451-9535, Ratcliffe, Alastair, Chahal, Jaswinder, Brennan, Richard and Lee, Raymond (2018) Pattern of physical activity can influence its efficacy on muscle and bone health in middle-aged men and women. Sport Sciences for Health, 14 (3). pp. 503-509. ISSN 1824-7490

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Abstract

Abstract
Purpose

This study aimed at investigating whether association between physical activity, and bone density and muscle strength depends on daily activity pattern.

Methods

Loading dose of moderate-to-vigorous physical activity (MVPA) was measured using accelerometer on 54 men (Mage = 54.1 years) and 59 women (Mage = 52.1 years). Pattern of MVPA was quantified as number and length of MVPA bouts, and the length of break bouts between MVPA bouts. Knee extension torque (KET) and broadband ultrasound attenuation (BUA) of the calcaneus were also measured. Regression analysis was employed to examine the moderation effect of MVPA pattern.

Results

Loading dose had a larger effect on BUA (b = .002, p = .035) and KET (b = .004, p = .01) with the increase of median length of MVPA bout, but had a smaller effect on KET with the increase of maximal length of break bout (b = − .015, p = .024).

Conclusions

This study suggests that pattern of physical activity can influence its efficacy on muscle and bone health.

Item Type: Article
Additional Information: This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Uncontrolled Keywords: Aging · Accelerometry · Musculoskeletal health · Exercise prescription
Subjects: Construction and engineering > Biomedical engineering
Medicine and health > Health promotion and public health
Medicine and health > Physiology
Depositing User: Jin Luo
Date Deposited: 08 May 2020 12:54
Last Modified: 08 May 2020 15:44
URI: http://repository.uwl.ac.uk/id/eprint/6894

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