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Effects of active video games on body composition: a randomized controlled trial
Ralph Maddison1, Louise Foley, Cliona Ni Mhurchu
1Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand.
The American Journal of Clinical Nutrition
|May 13, 2011
Summary
Active video games modestly improved body mass index (BMI) and body composition in overweight and obese children. This intervention offers a potential strategy to increase physical activity and combat childhood obesity.
Area of Science:
- Pediatric obesity research
- Behavioral interventions
- Public health
Background:
- Sedentary video gaming is linked to obesity.
- Active video games (AVGs) may promote physical activity and improve body composition.
Purpose of the Study:
- To assess the 6-month impact of AVGs on weight, body composition, physical activity, and fitness in children.
- To evaluate AVGs as an intervention for overweight and obese youth.
Main Methods:
- A randomized controlled trial involving 322 overweight/obese children (10-14 years).
- Participants were assigned to an active video game (AVG) intervention or a control group.
- Primary outcome was change in body mass index (BMI); secondary outcomes included body fat, physical activity, and fitness.
Main Results:
- The AVG group showed a significant reduction in BMI (-0.24 kg/m²; P=0.02) compared to the control group.
- A significant decrease in body fat percentage was observed in the intervention group (-0.83%; P=0.02).
- Active video game play increased, while non-active video game play decreased in the intervention group.
Conclusions:
- Active video game interventions demonstrate a small but significant positive effect on BMI and body composition in overweight and obese children.
- AVGs represent a viable strategy to encourage physical activity and manage weight in pediatric populations.

