Cited by 87Physical Activity and HealthDiabetes, Cardiovascular Risks, and LipoproteinsErgonomics and Musculoskeletal Disorders

Metabolic Effects of Breaking Prolonged Sitting With Standing or Light Walking in Older South Asians and White Europeans: A Randomized Acute Study

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Yates, Thomas, Edwardson, Charlotte L, Celis-Morales, Carlos, Biddle, Stuart J H, Bodicoat, Danielle, Davies, Melanie J, Esliger, Dale, Henson, Joe +8 more·2020·The Journals of Gerontology: Series A

Abstract

Background: Prolonged sitting is common in older adults and is associated with insulin resistance and poor cardiometabolic health. We investigate whether breaking prolonged sitting with regular short bouts of standing or light walking improves postprandial metabolism in older white European and South Asian adults and whether effects are modified by ethnic group. Methods: Thirty South Asian (15 women) and 30 white European (14 women) older adults (aged 65–79 years) undertook three experimental conditions in random order. (a) Prolonged sitting: continuous sitting during an observation period if 7.5 hours consuming two standardized mixed meals. (b) Standing breaks: sitting interrupted with 5 minutes of standing every 30 minutes (accumulating 60 minutes of standing over the observation period). (c) Walking breaks: sitting interrupted with 5 minutes of self-paced light walking every 30 minutes (accumulating 60 minutes of walking). Blood samples (glucose, insulin, triglycerides) and blood pressure were sampled regularly throughout each condition. Results: Compared with prolonged sitting, walking breaks lowered postprandial insulin by 16.3 mU/L, (95% CI: 19.7, 22.0) with greater reductions (p = .029) seen in South Asians (22.4 mU/L; 12.4, 32.4) than white Europeans (10.3 mU/L; 5.9, 14.7). Glucose (0.3 mmol/L; 0.1, 0.5) and blood pressure (4 mm Hg; 2, 6), but not triglycerides, were lower with walking breaks, with no ethnic differences. Standing breaks did not improve any outcome. Conclusions: Breaking prolonged sitting with short bouts of light walking, but not standing, resulted in clinically meaningful improvements in markers of metabolic health in older adults, with South Asians gaining a greater reduction in postprandial insulin. Trial Registration: NCT02453204

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  • Physical activity that breaks up sedentary behavior can have glycemic benefits.

    “PA to break up sedentary behaviors can also have glycemic benefits.”
  • Light walking for 5 minutes every 30 minutes improved postprandial glucose by 0.3 mmol/L and blood pressure by 4 mmHg.

    “Similarly, light walking for 5 minutes every 30 minutes improved post-prandial glucose (0.3 mmol/L) and blood pressure (4 mmHg).”
  • Brief interruptions of sedentary behavior with physical activity improve postprandial sugars, insulin levels, cholesterol, and waist circumference.

    “Multiple studies have looked at brief interruptions of sedentary behavior with PA, and identified improvements in postprandial sugars, insulin levels, cholesterol, and weight circumference.”

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Authors
Yates, T., Edwardson, C. L., Celis-Morales, C., Biddle, S. J. H., Bodicoat, D., Davies, M. J., Esliger, D., Henson, J., Kazi, A., Khunti, K., Sattar, N., Sinclair, A. J., Rowlands, A., Velayudhan, L., Zaccardi, F., & Gill, J. M. R.
Affiliations
  • University of Leicester (GB)
  • University of Glasgow (GB)
  • University of Southern Queensland (AU)
  • Loughborough University (GB)
  • Diabetes Research Centre, College of Life Sciences, University of Leicester, Australia
  • University Hospitals of Leicester NHS Trust (GB)
  • Aston University (GB)
Corresponding author
Yates, Thomas
Venue
The Journals of Gerontology: Series A
Published
2018-11-07
Volume
75
Issue
1
Pages
139-146
ISSN
  • 1079-5006 (ISSN-L)
  • 1758-535X
OpenAlex
W2898709259
Cited by
87
References
42
Citations by year
2026: 10 · 2025: 11 · 2024: 6 · 2023: 11 · 2022: 18 · 2021: 18 · 2020: 11 · 2019: 2
FWCI
5.29
Type
journal article
Language
en
Open access
Locations
  • The Journals of Gerontology Series A (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (acceptedVersion, cc-by-sa)
  • Loughborough University Institutional Repository (Loughborough University) (submittedVersion, cc-by)
  • Figshare (submittedVersion, cc-by)
  • Loughborough University Research Repository (Loughborough University) (submittedVersion, cc-by)
  • Minerva Access (University of Melbourne) (submittedVersion, cc-by)
  • Research Portal (King's College London) (submittedVersion, cc-by)
  • Leicester Research Archive (University of Leicester) (submittedVersion, cc-by)
  • Greater South Information System
Funders
  • UK Research Councils’ Lifelong Health and Wellbeing Initiative
  • Department of Health (MR/K025090/1)
  • National Institute for Health Research
Topics
  • Health Sciences › Medicine › Physiology › Physical Activity and Health
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Social Sciences › Psychology › Social Psychology › Ergonomics and Musculoskeletal Disorders
Keywords
prolonged sitting, sedentary behavior, postprandial insulin, postprandial blood glucose, older adults, South Asians, ethnic differences, cardiometabolic health, blood pressure, triglycerides
MeSH terms
Sitting Position, Aged, Australia, Blood Glucose, Blood Pressure, Cardiovascular Diseases, Female, Humans, Insulin, Insulin Resistance, Male, Posture, Triglycerides, Incidence, Walking, Postprandial Period, White People, Asian People, Sedentary Behavior

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