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Sedentary Patterns Are Associated with Bone Mineral Density and Physical Function in Older Adults: Cross-Sectional and Prospective Data

Author

Listed:
  • Luís Alberto Gobbo

    (Skeletal Muscle Assessment Laboratory, Department of Physical Education, School of Technology and Sciences, São Paulo State University, São Paulo 19060-900, Brazil
    Post-Graduation Program in Movement Sciences, School of Technology and Sciences, São Paulo State University, São Paulo 19060-900, Brazil)

  • Pedro B. Júdice

    (Exercise and Health Laboratory, CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, 1649-004 Cruz-Quebrada, Portugal
    Centro de Investigação em Desporto, Educação Física e Exercício e Saúde, CIDEFES, Universidade Lusófona, 1749-024 Lisbon, Portugal)

  • Megan Hetherington-Rauth

    (Exercise and Health Laboratory, CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, 1649-004 Cruz-Quebrada, Portugal)

  • Luís B. Sardinha

    (Exercise and Health Laboratory, CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, 1649-004 Cruz-Quebrada, Portugal)

  • Vanessa Ribeiro Dos Santos

    (Skeletal Muscle Assessment Laboratory, Department of Physical Education, School of Technology and Sciences, São Paulo State University, São Paulo 19060-900, Brazil
    Post-Graduation Program in Movement Sciences, School of Technology and Sciences, São Paulo State University, São Paulo 19060-900, Brazil)

Abstract

Aging causes some unfavorable morphological and functional changes, such as the decline in bone mineral density (BMD) and physical function. Moderate-to-vigorous physical activity (MVPA) and sedentary time seem to be related with these alterations, but the impact of distinct patterns remains unclear. The aim of this study was to cross-sectionally and prospectively assess the association between objectively measured MVPA and sedentary patterns (bouts and breaks) with BMD and physical function in older adults. The study considered 151 Brazilians (aged ≥ 60 years), out of which 68 participants completed 2-year follow-up measurements. MVPA and sedentary patterns were measured by means of accelerometry, BMD—(total proximal femur and lumbar spine (L1-L4)) by means of dual-energy X-ray absorptiometry (DXA), and physical function—by means of physical tests. In older women, sedentary bouts >60 min were inversely associated with handgrip strength (β = −2.03, 95% CI: from −3.43 to −0.63). The prospective analyses showed that changes in sedentary bouts (20 to 30 min and >60 min) were inversely associated with changes in the lumbar spine’s BMD (β = −0.01, 95% CI: from −0.01 to −0.00 and β = −0.03, 95% CI: from −0.06 to −0.01) and the lumbar spine’s T-score (β = −0.06, 95% CI: from −0.10 to −0.01 and β = −0.27, 95% CI: from −0.49 to −0.04), respectively. In older women, sedentary patterns are cross-sectionally associated with handgrip strength and prospectively associated with BMD independent of MVPA.

Suggested Citation

  • Luís Alberto Gobbo & Pedro B. Júdice & Megan Hetherington-Rauth & Luís B. Sardinha & Vanessa Ribeiro Dos Santos, 2020. "Sedentary Patterns Are Associated with Bone Mineral Density and Physical Function in Older Adults: Cross-Sectional and Prospective Data," IJERPH, MDPI, vol. 17(21), pages 1-13, November.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:21:p:8198-:d:440830
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    Cited by:

    1. Yu Shao & Xinyue Wang & Wenjie Song & Sobia Ilyas & Haibo Guo & Wen-Shao Chang, 2020. "Feasibility of Using Floor Vibration to Detect Human Falls," IJERPH, MDPI, vol. 18(1), pages 1-22, December.

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