Reducing prolonged sedentary time using a treadmill desk acutely improves cardiometabolic risk markers in male and female adults
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6.Treadmilldeskwalking-cardiom ...
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Authors
Champion, Rachael B.Smith, Lindsey Rachel
Smith, Jennifer
Hirlav, Bogdana
Maylor, Benjamin D.
White, Stephanie L.
Bailey, Daniel Paul
Issue Date
2018-04-18
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The objectives of this study were to evaluate the acute effects of interrupting prolonged sitting with an accumulated 2 h of light-intensity walking on postprandial cardiometabolic risk markers. In this randomised crossover trial, 24 participants (twelve males) aged 18-55 years took part in two, 6.5 h conditions: 1) prolonged sitting (SIT) and 2) sitting interrupted hourly with 20 min light-intensity treadmill desk walking at between 1.2-3.5 km/h-1 (INT-SIT). Standardized meals were provided at 0 h and 3 h. Blood samples and blood pressure measures were taken hourly. Statistical analyses were completed using linear mixed models. Postprandial incremental area under the curve responses (mmol/L∙6.5 h) for glucose (4.52 [3.47, 5.56] and 6.66 [5.62, 7.71] for INT-SIT and SIT, respectively) and triglycerides (1.96 [0.96, 2.96] and 2.71 [1.70, 3.71] mmol/L∙6.5 h, for INT-SIT and SIT, respectively) were significantly lower in INT-SIT than SIT. Mean systolic and diastolic blood pressure responses were lower by 3% and 4%, respectively, in INT-SIT than SIT (P<0.05). There was no significant condition x sex interaction effect for any outcomes (P>0.05). These findings suggest that interrupting sitting with an accumulated 2 h of light-intensity walking acutely improves cardiometabolic risk levels in males and females compared with prolonged sitting.Citation
Champion RB, Smith LR, Smith J, Hirlav B, Maylor BD, White SL, Bailey DP. (2018) 'Reducing prolonged sedentary time using a treadmill desk acutely improves cardiometabolic risk markers in male and female adults', Journal of Sports Sciences, 36 (21), pp.2484-2491.Publisher
Taylor & FrancisJournal
Journal of Sports SciencesPubMed ID
29667496Additional Links
https://www.tandfonline.com/doi/full/10.1080/02640414.2018.1464744Type
ArticleLanguage
enISSN
0264-0414ae974a485f413a2113503eed53cd6c53
10.1080/02640414.2018.1464744
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