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Using heart-rate feedback to increase physical activity in children.
Alison M McManus1, Rich S W Masters, Raija M T Laukkanen
1Institute of Human Performance, University of Hong Kong, Pokfulam Road, Hong Kong SAR, China. alimac@hku.hk
Preventive Medicine
|July 2, 2008
Summary
Heart-rate monitor feedback significantly boosted physical activity (PA) in primary students short-term. However, these gains in PA did not last after the feedback was removed.
Area of Science:
- Pediatric health
- Exercise science
- Behavioral interventions
Background:
- Promoting physical activity (PA) in children is crucial for long-term health.
- School-based interventions are effective settings for health promotion.
- Understanding the impact of technology-based feedback on children's activity levels is important.
Purpose of the Study:
- To evaluate the effectiveness of heart-rate feedback in increasing physical activity among primary school students.
- To determine if an educational program enhances the impact of heart-rate feedback.
- To assess the long-term retention of physical activity increases.
Main Methods:
- A controlled trial involving 210 primary school students (9-11 years old) in Hong Kong.
- Schools were randomized into three groups: control, educational program with heart-rate feedback, and heart-rate feedback alone.
- Intervention duration was short-term, with a 6-month follow-up to assess retention.
Main Results:
- Heart-rate monitor feedback led to a significant short-term increase in total daily PA (24%) and vigorous PA (0.6%).
- Moderate PA levels did not change.
- The educational program did not influence the PA increases, and attitudes towards PA remained unchanged.
Conclusions:
- Heart-rate feedback can be a useful tool for short-term increases in low-intensity physical activity in children.
- The positive effects on physical activity do not persist after the feedback mechanism is withdrawn.
- Further research is needed to explore strategies for long-term maintenance of physical activity.
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