Authors
Nicholas A Koemel, Pedro L Valenzuela, Cassandra D'Amore, Alejandra Jáuregui, Po-Wen Ku, Marla Beauchamp, Emmanuel Stamatakis, Matthew N Ahmadi
Published in
The lancet. Healthy longevity. Pages 100913. Aug 27, 2027. Epub Aug 27, 2027.
Abstract
Physical activity and sedentary behaviour are key modifiable determinants of physical, cognitive, and psychosocial function that collectively shape the ageing process. Despite these known benefits, the global rates of insufficient physical activity and sedentary behaviour have dramatically increased, particularly among adults older than 60 years. The 2020 WHO physical activity and sedentary behaviour guidelines for older adults were primarily informed by self-reported observational research. Therefore, these guidelines are prone to recall and social desirability biases and often fail to capture the complexity of physical activity and sedentary behaviour patterns, such as volume, intensity, and bout duration. As research using wearable devices increases, our understanding of how these physical activity and sedentary behaviour patterns relate to prospective health outcomes expands. In this Series paper, we provide an overview of the current evidence on how physical activity and sedentary behaviour patterns are associated with health outcomes in older adults, with a focus on wearable-based evidence. We highlight the benefits of light, moderate, and vigorous physical activity, and their joint associations with sedentary behaviour. Growing prospective evidence supports the importance of incidental physical activity accumulated through normal daily living, even when accrued through brief, intermittent bursts, which might be more behaviourally sustainable for older adults. Although emerging evidence highlights the role of physical activity and sedentary behaviour patterns in the trajectory of ageing among older adults, major evidence gaps remain in understanding these behaviours in adults 80 years or older and in populations from low-income and middle-income countries. Future priorities include harmonised wearable-based surveillance, equitable representation, and translation frameworks for effective physical activity monitoring in clinical practice and community-based interventions.
PMID:
43008770
Bibliographic data and abstract were imported from PubMed on 11 Nov 2026.
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