Breaking up prolonged sitting with light-intensity walking improves postprandial glycemia, but breaking up sitting with standing does not
dc.contributor.author | Bailey, Daniel Paul | en |
dc.contributor.author | Locke, Christopher D. | en |
dc.date.accessioned | 2015-11-20T11:57:20Z | en |
dc.date.available | 2015-11-20T11:57:20Z | en |
dc.date.issued | 2014-03-20 | en |
dc.identifier.citation | Bailey, D.P., Locke, C.D. (2015) 'Breaking up prolonged sitting with light-intensity walking improves postprandial glycemia, but breaking up sitting with standing does not' Journal of science and medicine in sport, 18 (3):294-8 | en |
dc.identifier.issn | 1440-2440 | en |
dc.identifier.pmid | 24704421 | en |
dc.identifier.doi | 10.1016/j.jsams.2014.03.008 | en |
dc.identifier.uri | http://hdl.handle.net/10547/582438 | en |
dc.description.abstract | Objectives: To explore the effects of breaking up prolonged sitting time with standing or light-intensity walking on a range of cardiometabolic risk markers. Design: A randomised three-period, three-treatment acute crossover trial. Methods: Ten non-obese adults took part in three trials: (1) uninterrupted sitting; (2) seated with 2-min bouts of standing every 20 min; and (3) seated with 2-min bouts of light-intensity walking every 20 min. Two standardised test drinks (total 80.3 carbohydrate, 50 g fat) were provided after an initial 1-h period of uninterrupted sitting. Plasma glucose and blood pressure were assessed hourly to calculate area under the curve. Total cholesterol, HDL, and triglycerides were assessed at baseline and 5-h. ANOVAs were used to explore between-trial differences. Results: Glucose area under the curve was lower in the activity-break condition compared to the uninterrupted sitting and standing-break conditions: mean area under the curve 18.5 (95% CI 17, 20), 22.0 (20.5, 23.5), and 22.2 (20.7, 23.7) mmol L/5-h, respectively, p < 0.001; no difference between uninterrupted sitting and standing-break conditions (p > 0.05). Systolic and diastolic blood pressure area under the curve did not differ significantly between conditions, nor did responses in lipid parameters (p > 0.05). Conclusions: This study suggests that interrupting sitting time with frequent brief bouts of light-intensity activity, but not standing, imparts beneficial postprandial responses that may enhance cardiometabolic health. These findings may have importance in the design of effective interventions to reduce cardiometabolic disease risk. | |
dc.language.iso | en | en |
dc.publisher | Elsevier | en |
dc.relation.url | http://www.ncbi.nlm.nih.gov/pubmed/24704421 | en |
dc.relation.url | http://www.sciencedirect.com/science/article/pii/S1440244014000516 | en |
dc.rights | Archived with thanks to Journal of science and medicine in sport / Sports Medicine Australia | en |
dc.subject | exercise | en |
dc.subject | blood glucose | en |
dc.subject | sedentary lifestyle | en |
dc.subject | postprandial period | en |
dc.subject | C600 Sports Science | en |
dc.title | Breaking up prolonged sitting with light-intensity walking improves postprandial glycemia, but breaking up sitting with standing does not | en |
dc.type | Article | en |
dc.contributor.department | University of Bedfordshire | en |
dc.identifier.journal | Journal of science and medicine in sport / Sports Medicine Australia | en |
refterms.dateFOA | 2020-04-23T08:39:52Z | |
html.description.abstract | Objectives: To explore the effects of breaking up prolonged sitting time with standing or light-intensity walking on a range of cardiometabolic risk markers. Design: A randomised three-period, three-treatment acute crossover trial. Methods: Ten non-obese adults took part in three trials: (1) uninterrupted sitting; (2) seated with 2-min bouts of standing every 20 min; and (3) seated with 2-min bouts of light-intensity walking every 20 min. Two standardised test drinks (total 80.3 carbohydrate, 50 g fat) were provided after an initial 1-h period of uninterrupted sitting. Plasma glucose and blood pressure were assessed hourly to calculate area under the curve. Total cholesterol, HDL, and triglycerides were assessed at baseline and 5-h. ANOVAs were used to explore between-trial differences. Results: Glucose area under the curve was lower in the activity-break condition compared to the uninterrupted sitting and standing-break conditions: mean area under the curve 18.5 (95% CI 17, 20), 22.0 (20.5, 23.5), and 22.2 (20.7, 23.7) mmol L/5-h, respectively, p < 0.001; no difference between uninterrupted sitting and standing-break conditions (p > 0.05). Systolic and diastolic blood pressure area under the curve did not differ significantly between conditions, nor did responses in lipid parameters (p > 0.05). Conclusions: This study suggests that interrupting sitting time with frequent brief bouts of light-intensity activity, but not standing, imparts beneficial postprandial responses that may enhance cardiometabolic health. These findings may have importance in the design of effective interventions to reduce cardiometabolic disease risk. |