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Breaking up Sedentary Time in Overweight/Obese Adults on Work Days and Non-Work Days: Results from a Feasibility Study

1
Division of Endocrinology, Metabolism, and Diabetes and Anschutz Health and Wellness Center, University of Colorado, School of Medicine, Aurora, CO 80045, USA
2
Institut Pluridisciplinaire Hubert Curien, Université de Strasbourg, CNRS 67000 Strasbourg, France
3
UMR 7178 Centre National de la Recherche scientifique (CNRS), 67000 Strasbourg, France
4
Department of Biostatistics and Informatics, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA
5
CARMEN, CRNH, INSERM U1060/University of Lyon 1/INRA U1235 Lyon, France
6
Laboratoire de Biochimie CHLS 69310 Pierre Bénite, France
7
KAL Research and Consulting LLC, Denver, CO 80002, USA
8
Denver Health Medical Center, Denver, CO 80204, USA
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Int. J. Environ. Res. Public Health 2018, 15(11), 2566; https://doi.org/10.3390/ijerph15112566
Received: 31 August 2018 / Revised: 12 November 2018 / Accepted: 14 November 2018 / Published: 16 November 2018
(This article belongs to the Special Issue Occupational Sedentary Behaviour)
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Abstract

Office workers are vulnerable to the adverse health effects of sedentary behavior (i.e., sitting time). Increasing physical activity and preventing time spent sitting is an occupational health priority. This randomized crossover design study compared the short-term (3-days) effects of hourly interruptions of sedentary time with 5-min micrrobouts of activity for 9 hours (MICRO) to a sedentary control condition (SED) and a duration-matched continuous single bout of physical activity (45-min/d, ONE) condition on inclinometer-derived sitting-time on work and non-work days in sedentary overweight/obese adults. Differences in sitting/lying, standing, stepping, number of sit/stand transitions, time spent in moderate and vigorous activity (MVPA), energy expenditure, self-perceived vigor and fatigue, and insulin sensitivity were also examined. Twenty-two participants (10M/12F; 31.7 ± 1.3 year old BMI 30.4 ± 0.5 kg/m2) completed all conditions. No between-condition effects were observed in sitting-time and sit/stand transitions. Both interventions increased daily steps, MVPA and energy expenditure with increases being greater in ONE than MICRO. Feelings of vigor and fasting insulin sensitivity were also improved. Participants reported less fatigue with MICRO than SED and ONE. Both interventions increase physical activity and energy expenditure in occupational and leisure-time contexts. The sustainability of these effects over the long term and on health outcomes will need to be tested in future studies. View Full-Text
Keywords: sedentary behaviors; sitting; microbouts; physical activity; MVPA; activity energy expenditure; vigor; fatigue; insulin sensitivity sedentary behaviors; sitting; microbouts; physical activity; MVPA; activity energy expenditure; vigor; fatigue; insulin sensitivity
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De Jong, N.P.; Debache, I.; Pan, Z.; Garnotel, M.; Lyden, K.; Sueur, C.; Simon, C.; Bessesen, D.H.; Bergouignan, A. Breaking up Sedentary Time in Overweight/Obese Adults on Work Days and Non-Work Days: Results from a Feasibility Study. Int. J. Environ. Res. Public Health 2018, 15, 2566.

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