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Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity
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Physical Activity Intensity, Lesson Context, and Teacher Interactions During an Unstructured Afterschool Physical
Timothy K Behrens1, Daniel J Miller2, John M Schuna3
1Department of Health Sciences, Northern Arizona University, PO Box 15095, Flagstaff, AZ 86011. Timothy.Behrens@nau.edu.
The Journal of School Health
|November 3, 2015
Summary
Afterschool programs can boost youth physical activity (PA). Teacher interactions and lesson context significantly influence activity levels, with structured curricula potentially enhancing program quality for better health outcomes.
Area of Science:
- Public Health
- Pediatric Health
- Exercise Science
Background:
- Afterschool programs offer opportunities to increase physical activity (PA) in youth.
- The Keep It Moving! (KIM) program in southern Colorado elementary schools aimed to improve PA levels.
- The study focused on a low-socioeconomic status (SES) school district.
Purpose of the Study:
- To evaluate the relationships between participant PA, teacher interaction, and lesson context.
- To understand factors influencing physical activity intensity in an unstructured afterschool setting.
Main Methods:
- Cross-sectional analysis of third-fifth grade students in the KIM program.
- Utilized accelerometers and the System for Observing Fitness Instruction Time (SOFIT) for data collection.
- Assessed participant PA, teacher interaction, and lesson context.
Main Results:
- Participants engaged in light PA (LPA) for about half the session time.
- Moderate to vigorous PA (MVPA) averaged 15.7 minutes per session.
- Game play correlated positively with LPA and negatively with MVPA.
- Lack of teacher promotion of PA was associated with increased sedentary activity (SA) and decreased MVPA.
Conclusions:
- Lesson context and teacher interactions are key factors for PA intensity in afterschool programs.
- Further research is needed to determine if structured PA curricula can enhance program quality.
- Findings suggest potential for improving afterschool physical activity interventions.
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