• Am J Prev Med · Oct 2024

    The physical activity paradox in low muscle mass in middle-aged and older adults.

    • Bokun Kim, Yosuke Osuka, Yoshiro Okubo, Xiaoguang Zhao, Gwon-Min Kim, and Sechang Oh.
    • Future Convergence Research Institute, Changwon National University, Changwon, 51140, Republic of Korea; Human Community Renovation Research Center, R Professional University of Rehabilitation, Tsuchiura, Ibaraki 300-0032, Japan.
    • Am J Prev Med. 2024 Oct 28.

    IntroductionPhysical activity (PA) is widely accepted as a therapeutic approach to age-related muscle mass loss. However, it is unclear whether all PA domains benefit muscle mass maintenance. This study investigated the association between low muscle mass and domain-specific-PA, including leisure-time and occupational moderate-to-vigorous-PA (MVPA).MethodsThis study included 27,357 middle-aged and older individuals (≥40 years) whose data were collected from 2014 to 2022 and analyzed in 2024. Low muscle mass was defined as a muscle mass index two standard deviations below the sex-specific average of 9426 young individuals (20-39 years). Leisure-time and occupational MVPA were assessed using the Global Physical Activity Questionnaire and categorized as 0 min/week, 1-149 min/week, and ≥150 min/week. Logistic regression analysis focused on all participants, and additional analyses stratified by sex, age, sedentary time, and transfer time were performed.ResultsFor leisure-time MVPA, participants with 1-149 min/week and ≥150 min/week had significantly lower odds of low muscle mass compared to those with no MVPA, with ORs of 0.795 (95% CI: 0.691, 0.914) and 0.740 (95% CI: 0.649, 0.843), respectively (p<0.01 for both). No significant association was found between occupational MVPA and low muscle mass. These findings were consistent across different strata of sex, age, sedentary time, and transfer time.ConclusionsLeisure-time MVPA is inversely associated with low muscle mass, whereas occupational MVPA shows no association, highlighting the importance of dynamic movements of sufficient intensity and recuperation time in maintaining muscle mass.Copyright © 2024. Published by Elsevier Inc.

      Pubmed     Copy Citation     Plaintext  

      Add institutional full text...

    Notes

     
    Knowledge, pearl, summary or comment to share?
    300 characters remaining
    help        
    You can also include formatting, links, images and footnotes in your notes
    • Simple formatting can be added to notes, such as *italics*, _underline_ or **bold**.
    • Superscript can be denoted by <sup>text</sup> and subscript <sub>text</sub>.
    • Numbered or bulleted lists can be created using either numbered lines 1. 2. 3., hyphens - or asterisks *.
    • Links can be included with: [my link to pubmed](http://pubmed.com)
    • Images can be included with: ![alt text](https://bestmedicaljournal.com/study_graph.jpg "Image Title Text")
    • For footnotes use [^1](This is a footnote.) inline.
    • Or use an inline reference [^1] to refer to a longer footnote elseweher in the document [^1]: This is a long footnote..

    hide…

What will the 'Medical Journal of You' look like?

Start your free 21 day trial now.

We guarantee your privacy. Your email address will not be shared.