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

Jin Luo; Alastair  Ratcliffe; Jaswinder Chahal; Richard  Brennan; Raymond Yun Wah Lee

doi:10.1007%2Fs11332-018-0448-z

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

Jin Luo, Alastair Ratcliffe, Jaswinder Chahal, Richard Brennan, Raymond Yun Wah Lee

Faculty of Technology

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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.

Original language	English
Pages (from-to)	503-509
Number of pages	7
Journal	Sport Sciences for Health
Volume	14
Issue number	3
Early online date	29 Mar 2018
DOIs	https://doi.org/10.1007%2Fs11332-018-0448-z
Publication status	Published - 1 Dec 2018

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title = "Pattern of physical activity can influence its efficacy on muscle and bone health in middle‑aged men and women",

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.",

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T1 - Pattern of physical activity can influence its efficacy on muscle and bone health in middle‑aged men and women

AU - Luo, Jin

AU - Ratcliffe, Alastair

AU - Chahal, Jaswinder

AU - Brennan, Richard

AU - Lee, Raymond Yun Wah

PY - 2018/12/1

Y1 - 2018/12/1

N2 - 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.

AB - 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.

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DO - 10.1007%2Fs11332-018-0448-z

M3 - Article

SN - 1825-1234

VL - 14

SP - 503

EP - 509

JO - Sport Sciences for Health

JF - Sport Sciences for Health

IS - 3

ER -

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

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