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Med Sci Sports Exerc. 2017 Nov;49(11):2343-2350. doi: 10.1249/MSS.0000000000001346.

Impact of Three Years of Classroom Physical Activity Bouts on Time-on-Task Behavior.

Author information

1
1Cardiovascular Research Institute, Division of Internal Medicine, The University of Kansas Medical Center, Kansas City, KS; 2Department of Educational Psychology and Leadership, Texas Tech University, Lubbock, TX; and 3Department of Psychology, Department of Health Sciences, Northeastern University, Boston, MA.

Abstract

Participation in classroom physical activity (PA) may improve time-on-task (TOT); however, the influence of sustained moderate-to-vigorous PA (MVPA) on TOT is unknown.

PURPOSE:

To explore the influence of classroom PA delivered with academic lessons on TOT, determine if the relationship between classroom PA and TOT differs by age, sex, race/ethnicity, weight or baseline fitness, and identify the influence of MVPA on TOT when controlling for demographic variables.

METHODS:

Teachers in intervention schools were asked to deliver two 10-min PA lessons per day, 5 d·wk. PA was observed in both intervention and control schools to determine the amount and intensity of PA. Time-on-task was observed before and immediately after PA. Anthropometrics and fitness were assessed at baseline and end of the school year for 3 yr. Multilevel modeling was used to estimate overall group difference, change over the study, and group difference in change while accounting for covariates.

RESULTS:

Students who participated in PA lessons engaged in significantly more MVPA than those in the control schools in all 3 yr (all P < 0.001). There was a significant linear increase in the percent of TOT before PA lessons for both control and intervention groups over the 3-yr period (P < 0.001), with no group difference. The intervention group spent significantly more TOT (P = 0.01) after PA than the control group. The percent of time spent in MVPA was significantly associated with the percent of TOT (P < 0.01).

CONCLUSIONS:

Results indicate that children who received PA lessons participated in significantly more MVPA than those who did not and that PA was significantly associated with more TOT. These findings provide support for classroom PA as a means of increasing TOT in elementary age children.

PMID:
28614194
PMCID:
PMC5645225
[Available on 2018-11-01]
DOI:
10.1249/MSS.0000000000001346
[Indexed for MEDLINE]

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