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A comparative study found that a seven-year school-based exercise programme increased physical activity levels in
Felix Cronholm1, Björn E Rosengren1, Caroline Karlsson1
1Clinical and Molecular Osteoporosis Research Unit, Department of Orthopedics and Clinical Sciences, Lund University, Skåne University Hospital, Malmö, Sweden.
Acta Paediatrica (Oslo, Norway : 1992)
|December 2, 2017
Summary
A Swedish school program significantly boosted children's total physical activity. This increase in exercise did not lead to more screen time, challenging previous theories about children's activity levels.
Area of Science:
- Pediatric Exercise Science
- Public Health Interventions
- Childhood Physical Activity
Background:
- Childhood physical activity is crucial for long-term health.
- Understanding factors influencing children's activity levels is essential.
- Previous theories suggested a fixed duration for children's physical activity.
Purpose of the Study:
- To evaluate the effectiveness of a school-based exercise program in increasing total physical activity among children.
- To determine if increased physical activity from the intervention impacts leisure-time or screen-time activity.
- To examine the impact of a structured exercise program on physical activity duration in children.
Main Methods:
- A longitudinal study followed 228 children over seven years.
- An intervention school provided 200 minutes of physical education weekly, compared to 60 minutes in control schools.
- Questionnaires assessed total physical activity, leisure-time activity, and screen-time activity at baseline and follow-up.
Main Results:
- The intervention group showed significantly higher total physical activity durations compared to control groups (p < 0.001).
- These increases in total physical activity were consistent across sexes.
- No significant differences were observed in leisure-time or screen-time activity between the intervention and control groups.
Conclusions:
- A school-based exercise intervention effectively increased total physical activity in children.
- The intervention did not result in compensatory increases in screen-time activity.
- Findings challenge the 'activity-stat' theory by demonstrating that total physical activity duration can be increased.
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