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July 30, 2026Journal of Bone and Mineral Research

Twenty-four-hour movement composition is associated with HR-pQCT bone strength in older adults: The Study of Muscle, Mobility and Aging (SOMMA)

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Authors

LRLauren S. RoeUniversity of PittsburghNHNina Z. HeilmannUniversity of PittsburghRGReagan E. GarciaUniversity of Pittsburgh

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Implication

Randomized trial examines bone health outcomes in older adults based on movement composition, suggesting implications for activity levels.

Key Points

  • To investigate the relationship between 24-hour movement behaviors and bone strength in older adults.
  • Analyzed accelerometry data from 296 older adults using ActiGraph GT9X.
  • Utilized multiple linear regression to assess associations between movement compositions and HR-pQCT parameters.
  • Employed compositional isotemporal substitution methods for hypothetical displacement impacts.
  • Higher proportions of MVPA correlated with greater distal radius and tibia failure load in women.
  • Men showed improved trabecular bone density and thickness with increased MVPA.
  • Displacing inactivity with MVPA hypothetically enhanced HR-pQCT measures.

Cite This Study

Roe et al. (2026) studied this question.

synapsesocial.com/papers/6a6af59760e2b924d3ea22e7https://doi.org/10.1093/jbmr/zjag117
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Also Consider

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  1. 1Compositional Data Analysis in Time-Use Epidemiology: What, Why, How2020 · 304 citations
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  5. 5Age-related patterns of trabecular and cortical bone loss differ between sexes and skeletal sites: A population-based HR-pQCT study2010 · 375 citations