Effects of Interrupting Children's Sedentary Behaviors With Activity on Metabolic Function: A Randomized Trial

Belcher, Britni R.; Berrigan, David; Papachristopoulou, Alexia; Brady, Sheila M.; Bernstein, Shanna; Brychta, Robert J.; Hattenbach, Jacob D.; Tigner, Ira L.; Courville, Amber B.; Drinkard, Bart; Smith, Kevin P.; Rosing, Douglas R.; Wolters, Pamela L.; Chen, Kong Y.; Yanovski, Jack A.

doi:10.1210/jc.2015-2803

Cited by 66 publications

(101 citation statements)

References 37 publications

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“…While this association has been largely unexplored in children, one cross-sectional study reported that the accumulation of 5–10 min sitting bouts (i.e., defined as occasions of continuous sitting) was negatively associated with inflammatory markers (i.e., C-reactive protein) [15]. Thus, it is possible that the manner in which sedentary time is accumulated, rather than the total volume of sedentary time, may better explain associations between sedentary time and health outcomes in children and adolescents [16]. …”

Section: Introductionmentioning

confidence: 99%

Impact of an 8-Month Trial Using Height-Adjustable Desks on Children’s Classroom Sitting Patterns and Markers of Cardio-Metabolic and Musculoskeletal Health

Ayala

Salmon

Timperio

et al. 2016

IJERPH

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During school hours, children can sit for prolonged and unbroken periods of time. This study investigated the impact of an 8-month classroom-based intervention focusing on reducing and breaking-up sitting time on children’s cardio-metabolic risk factors (i.e., body mass index, waist circumference, blood pressure) and perceptions of musculoskeletal discomfort. Two Year-6 classes (24 students per class) in one primary school were assigned to either an intervention or control classroom. The intervention classroom was equipped with height-adjustable desks and the teacher was instructed in the delivery of pedagogical strategies to reduce and break-up sitting in class. The control classroom followed standard practice using traditional furniture. At baseline, and after 8-months, time spent sitting, standing, stepping, and sitting-bouts (occasions of continuous sitting) as well as the frequency of sit-to-stand transitions were obtained from activPAL inclinometers and the time spent in light-intensity physical activity was obtained from ActiGraph accelerometers. Demographics and musculoskeletal characteristics were obtained from a self-report survey. Hierarchical linear mixed models found that during class-time, children’s overall time spent sitting in long bouts (>10 min) were lower and the number of sit-to-stand transitions were higher in the intervention group compared to the control group, while no changes were observed for musculoskeletal pain/discomfort. No significant intervention effects were found for the anthropometrics measures and blood pressure. Height-adjustable desks and pedagogical strategies to reduce/break-up sitting can positively modify classroom sitting patterns in children. Longer interventions, larger and varied sample size may be needed to show health impacts; however, these desks did not increase musculoskeletal pain/discomfort.

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Section: Introductionmentioning

confidence: 99%

Impact of an 8-Month Trial Using Height-Adjustable Desks on Children’s Classroom Sitting Patterns and Markers of Cardio-Metabolic and Musculoskeletal Health

Ayala

Salmon

Timperio

et al. 2016

IJERPH

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“…According to them, the active movement of the childhood population to the school was much more due to the lack of another alternative means of transport than to the population's true awareness of the bene its of this type of movement. It is also known that children encouraged to perform daily walks of moderate intensity can perceive increased insulin and reduced glucose levels, as well as lower fat concentrations than children exposed to sedentary habits (25,26). In that sense, behaviors that are considered sedentary, such as watching television and playing videogames for more than two hours, talking on the phone and using the computer are associated with higher BMI and lower exercise levels (27).…”

Section: Resultsmentioning

confidence: 99%

Lung function and functional capacity in school age children

et al. 2017

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Introduction: Six-minute walk test (TC6') and peak expiratory low (PEF) can be in luenced by variables like gender, age and body mass index (BMI). In the school context, these tests can identify losses caused by sedentary habits and/or manifestation of overweight/obesity. Nevertheless, although widely studied in the adult context, they have not been properly clari ied in the child public. Objective: To assess the PEF and TC6' between students in the public and private network and to correlate them with factors like age, gender and BMI. Methods: 39 male and female children between eight and ten years of age were selected for the study. The TC6' was held at a sports court. The child was instructed to walk at maximum speed for six minutes and the PEF test took place in accordance to the recommendations by Pereira et al (1). Results: No signi icant correlation was found between the BMI and the PEF and TC6' scores. No signi icant correlation was found between sex and PEF, with measures within normal parameters for the entire sample. The EPF measures did not in luence the distance walked in the TC6'. A signi icant correlation was found between sex and distance walked in the TC6' only among male children attending public schools. Conclusion: Both sex and BMI did not in luence the PEF measures which, in turn, does not seem to have in luenced the distance the sample walked in the TC6'. Also concerning the TC6', only the children from public school reached the normal scores proposed in the literature.

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“…It has been reported that screen time is associated with enhanced adiposity [33], and insulin resistance [34]. Furthermore, it has been demonstrated that physical inactivity that is linked with high sedentary behaviors can lead to metabolic disorders such as insulin resistance [7]. In our study population, the total time spent in front of a screen (as measured by the questionnaire) was high (151 min on weekdays and 223 min on weekends), thus indicating that most children exceed the guidelines that recommend no more than 2 hours of recreational screen time per day [35,36].…”

Section: Journal Of Physical Activity Researchmentioning

confidence: 99%

“…Furthermore, excessive sedentary behaviors are associated with pediatric obesity and metabolic risks [6]. Recent studies have also shown that interrupting sedentary time with brief moderate-intensity walking can improve short-term metabolic function in children who are not overweight [7].…”

Section: Introductionmentioning

confidence: 99%

Assessment of the Impact of a Sports Kit on Physical Activity in Children 8 to 11 Years of Age

Lanckriet¹,

Brissieux²,

Borys³

et al. 2017

JPAR

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Objective: Fewer than 10% of French children meet the WHO recommendations for physical activity (PA). As engaging in play activities is a key way to promote PA in children, we evaluated the effect of a sports kit called "Le Sport Ça Me Dit" ("Sport is fun") that provides a recreational way to engage in sports. Design: This was an open longitudinal controlled study. The children were divided into two groups for the first 7 weeks (Period 1): an Action group that used the kit for two recreational sessions per week (comprising six different activities) and a Control group that was not provided use of the kit. For the next 7 weeks (Period 2), neither group was provided use of the kit. Setting: Six towns in northern France. Subjects: 213 children aged 8-11 were recruited: 122 for the Control group and 91 for the Action group. Each child received a 3D accelerometer wristband to measure their level of PA during the 14 weeks of the study. In parallel, the children completed a questionnaire, 3 times (before (T0), during (T1) and at the end of the study (T2)), regarding their PA habits, screen time, and sleep habits. Results: A significant increase in the steps number was observed when the sports kit was used (p=0.025); although this effect was lost over time (p=0.672). Subpopulation analysis revealed a significant increase in the steps number and light PA in overweight children in the Action group for both periods (p=0.018 and p=0.012). Conclusion: The use of the sports kit increased the PA level of the children, and particularly in overweight children. Although these results require further investigation, they provide novel insights in regard to overweight children.

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Effects of Interrupting Children's Sedentary Behaviors With Activity on Metabolic Function: A Randomized Trial

Cited by 66 publications

References 37 publications

Impact of an 8-Month Trial Using Height-Adjustable Desks on Children’s Classroom Sitting Patterns and Markers of Cardio-Metabolic and Musculoskeletal Health

Impact of an 8-Month Trial Using Height-Adjustable Desks on Children’s Classroom Sitting Patterns and Markers of Cardio-Metabolic and Musculoskeletal Health

Lung function and functional capacity in school age children

Assessment of the Impact of a Sports Kit on Physical Activity in Children 8 to 11 Years of Age

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