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Influence of acute physical activity on stress reactivity in obese and normal weight children : a randomized controlled trial

Messerli-Bürgy, Nadine and Horsch, Antje and Schindler, Christian and Boichat, Anaëlle and Kriemler, Susi and Munsch, Simone and Crottet, Bertrand and Marquez-Vidal, Pedro M. and Borghini, Ayala and Puder, Jardena J.. (2019) Influence of acute physical activity on stress reactivity in obese and normal weight children : a randomized controlled trial. Obesity Facts, 12. pp. 115-130.

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Abstract

Physical activity (PA) may influence acute stress reactivity in children differently depending on their weight. This randomized controlled trial investigated the impact of acute PA and of BMI status (overweight/obese (OB/OW) and normal weight (NW) on stress reactivity.; 50 prepubertal children (24 OW/OB and 26 NW) were randomly assigned to the PA or sedentary arm (SED) for 30 min followed by a stress task. Salivary cortisol, blood pressure (BP), and heart rate (HR) were measured.; An interaction effect between the randomization arms and weight status on salivary cortisol was found after the stress task (p = 0.04). Cortisol increased in the SED, but not in the PA arm (p = 0.004 for differences in time course) of NW children. Time course did not differ between both arms in OW/OB children (p = 0.7). OW/OB SED children had a flat cortisol course, and levels were reduced compared to the NW SED or the OW/OB PA children (p ≤ 0.03). Systolic BP increased only in the SED arm (p = 0.01). HR was higher in the PA than in the SED arm during stress (p < 0.001) and showed different time courses (p = 0.006).; PA impacted on acute stress reactivity and influenced stress reactivity differently in NW and OW/OB children.
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Biostatistics > Biostatistics Frequentist Modelling
UniBasel Contributors:Schindler, Christian
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Karger Publishers
ISSN:1662-4025
e-ISSN:1662-4033
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
Identification Number:
Last Modified:14 Mar 2019 09:57
Deposited On:14 Mar 2019 09:57

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