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Regular brief interruptions to sitting after a high-energy evening meal attenuate glycemic excursions in overweight/obese adults

Citation

Climie, RE and Grace, MS and Larsen, RL and Dempsey, PC and Oberoi, J and Cohen, ND and Owen, N and Kingwell, BA and Dunstan, DW, Regular brief interruptions to sitting after a high-energy evening meal attenuate glycemic excursions in overweight/obese adults, Nutrition, Metabolism and Cardiovascular Diseases, 28, (9) pp. 909-916. ISSN 0939-4753 (2018) [Refereed Article]

Copyright Statement

Copyright 2018 The Italian Society of Diabetology, the Italian Society for the Study of Atherosclerosis, the Italian Society of Human Nutrition, and the Department of Clinical Medicine and Surgery, Federico II University

DOI: doi:10.1016/j.numecd.2018.05.009

Abstract

Background and aims: Modern Western lifestyles are characterized by consumption of approximately 45% of total daily energy intake at the evening meal, followed by prolonged sitting while watching television (TV), which may deleteriously impact glycemic control. After a high-energy evening meal (dinner), we examined whether regular, brief activity bouts during TV commercial breaks could acutely lower postprandial glucose and insulin responses in overweight/obese adults, compared to prolonged uninterrupted sitting.

Methods and results: Nine overweight/obese adults (29.7 4.06 kg m-2; aged 32 3 years; 5 male) completed two laboratory-based conditions of three and a half hours: prolonged sitting during TV viewing (SIT); and, prolonged sitting interrupted every 20 min with 3 min of light-intensity body-weight resistance activities (active commercial breaks; ACBs). Venous postprandial glucose and insulin responses to dinner were calculated as positive incremental area under the curve (iAUC) from baseline. Interstitial glucose was measured using a continuous glucose monitor and quantified as total AUC (tAUC).

Compared to SIT, plasma glucose iAUC was reduced by 33% [3.4 1.0 vs 5.1 1.0 (mean SEM) mmol hL-1, p = 0.019] and plasma insulin iAUC by 41% (813 224 vs 1373 224, p = 0.033 pmol hL-1) for the ACB condition. During the ACB condition there was a significant reduction in interstitial glucose tAUC (24.4 5.2 vs 26.9 5.2 mmol hL-1, p < 0.001), but this did not persist beyond the laboratory observation period.

Conclusions: Regular brief light-intensity activity bouts can attenuate glycemic responses during television viewing time following a high-energy evening meal in overweight/obese adults.

Item Details

Item Type:Refereed Article
Keywords:circadian rhythm, glucose, obesity, sedentary
Research Division:Medical and Health Sciences
Research Group:Cardiorespiratory Medicine and Haematology
Research Field:Cardiology (incl. Cardiovascular Diseases)
Objective Division:Health
Objective Group:Clinical Health (Organs, Diseases and Abnormal Conditions)
Objective Field:Cardiovascular System and Diseases
UTAS Author:Climie, RE (Miss Rachel Climie)
ID Code:130951
Year Published:2018
Web of Science® Times Cited:4
Deposited By:Menzies Institute for Medical Research
Deposited On:2019-02-21
Last Modified:2019-03-18
Downloads:0

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