Washington: Video games, in combination with fitness coaching and a step tracker, helped overweight children lose weight, lower their blood pressure and cholesterol and increase their physical activity, a study has found.
"Kids who gain excessive weight and are not physically active can develop early signs of heart disease and diabetes," said Amanda Staiano, from Louisiana State University in the US.
"They may also struggle every day with asthma, sleep apnea, and the other psychological and health challenges that excess weight and obesity can bring," said Staiano, primary investigator of study published in the journal Pediatric Obesity.
Obese children at increased risk for developing serious medical problems. Exergaming, or playing video games that require physical activity, may be able to help.
"Screens are everywhere in our lives, and they are here to stay. Kids spend half their waking hours in front of screens," said Staiano.
"I'm looking for ways to use those screens—smartphones, computers, televisions and tablets—to incorporate more physical activity into kids' lives," she said.
The study enrolled 46 children ages 10 to 12 who were overweight or had obesity. Half were girls and more than half were African-American.
The study randomly assigned children to a "gaming" group of 23 families or a control group of 23 families.
The gaming group was encouraged to meet the national recommendations of 60 minutes per day of physical activity.
The children received an Xbox 360, Kinect and four exergames and were asked to play these at their home with a friend or family member for six months.
They also received a "challenge book" to complete three one-hour gaming sessions each week and a Fitbit to track their steps each day.
Each child and parent or parents also took part in regular video chats over the video game console with a Pennington Biomedical fitness coach to monitor their progress.
The control group members were not asked to make any changes in their behaviour. These families received the exergames and gaming console at the end of the six-month study.
Twenty-two of the 23 families in the gaming group finished the six-month program. Children and parents in the gaming group completed 94 percent of the gaming sessions and attended 93 percent of the video-chat sessions.
"When you don't intervene with kids who are overweight, often their health risk factors and health behaviors worsen over time," said Staiano.
"So, unfortunately, we weren't surprised to see that kids in the control group increased blood pressure and cholesterol and decreased physical activity over the six-month period," she said.
Children in the gaming group reduced their body mass index by about three per cent while the control group increased their BMI by one per cent.
They also reduced their cholesterol by seven percentiles while the control group increased cholesterol by seven percentiles. In other words, the kids in the gaming group remained in the healthy range.