![]() ![]() 12, 13 DDR and Wii games rely mainly on leg versus arm activity, respectively, but their impact on energy expenditure has not been compared. ![]() Two small studies showed that adolescents expend ~50% more energy while playing the Wii sports-simulation games of tennis, boxing, and bowling than playing traditional video games. Although this new gaming device has been described in the lay media as a popular form of entertainment and has potential to provide an exercise stimulus, there is little information available on the physiologic responses to playing the Wii game system. The newest commercially available active video game system, the Nintendo Wii (Nintendo, Redmond, WA), allows individuals to play simulated sports games and other activities by using handheld motion sensors. 11 More importantly, energy expenditure during DDR was 172% greater than when watching television or playing traditional video games while seated. It was reported that a popular dance-simulation game, Dance Dance Revolution (DDR) (Konami Digital Entertainment, Redwood City, CA), increased energy expenditure in 10-year-olds to a level similar to low-to-moderate intensity (2.4 km/hour) walking. Exergaming could help some children increase their physical activity by integrating play with exercise. Recently, a new generation of video games that requires interactive physical activity, known as exergaming, has become popular. Unfortunately, obese children are less likely to participate in traditional volitional exercise or sports programs than their healthy-weight peers. 4, 5 Traditional exercise programs can be effective for making improvements in body composition, 6 arterial elasticity, 7 insulin sensitivity, 8 and spontaneous physical activity 9 in obese adolescents. 2 Obesity is often associated with low rates of physical activity and daily energy expenditure 3 and time spent in sedentary activities such as watching television or working at a computer. 1, 2 Increased childhood adiposity is associated with a higher risk of developing adulthood obesity 1 and metabolic complications such as type 2 diabetes. The prevalence of overweight children in the United States, defined as those at >85th percentile of age- and gender-specific norms for BMI (kg/m 2), has reached ~32%. ![]()
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