Thinking on Their Feet: In-Class Exercise Helps Fight Childhood Obesity While Kids Learn

Kids Playing

New Research from Rebecca Hasson

Among the many things that years of teaching elementary school students has taught Cesar Reyes, is that kids sit too much during school and should move more.

So when Reyes, a teacher at Detroit's Munger Elementary-Middle School, was asked to try an in-class exercise program developed at the University of Michigan, he was all for it.

The program, called InPACT (Interrupting Prolonged sitting with ACTivity), incorporates five bursts of moderate-to-high-intensity exercise into the class day, for a total of 20 minutes. It's led by Rebecca Hasson, U-M associate professor of kinesiology and nutritional sciences, and was developed with the U-M schools of public health, education, and architecture and urban planning, and Project Healthy Schools.

Hasson is director of the Childhood Health Disparities Research Laboratory, and much of her research focuses on finding ways to incorporate exercise into children's lives to curb the growing pediatric obesity epidemic. The lab's research showed that uninterrupted prolonged sitting is associated with increased disruptive behavior and lower academic achievement in addition to increased obesity risk.

With cuts to budgets and more time spent on standardized testing, physical activities and physical education are being squeezed out of the school day. InPACT brings activity back.

Munger is the latest school to bring the lab's research into the classroom. Columbia Elementary in Brooklyn, Mich.; Estabrook Learning Center in Ypsilanti; and Jesse L. Anderson Elementary in Trenton came before Munger.

"Pediatric obesity has more than tripled over the last 30 to 40 years, and this is particularly true in minority youth," she said.

"Many kids don't have P.E. every day but they might have recess, and if they get 10 more minutes of activity there, it would meet that school requirement," Hasson said. "This doesn't replace P.E., it's a supplement. We're trying to create a culture of health throughout the entire school day, not just in the gym."

Sitting and lack of physical activity are big contributors, and while 20 minutes of exercise doesn't seem like much, consider that physical activity is being engineered out of many schools, Hasson said.

As childhood obesity rates rise and physical education offerings dwindle, elementary schools keep searching for ways to incorporate the federally recommended half-hour of physical activity into the school day, she said. Kids are supposed to get an hour of exercise a day—30 minutes of that during school. Most don't.

"Many kids don't have P.E. every day but they might have recess, and if they get 10 more minutes of activity there, it would meet that school requirement," Hasson said. "This doesn't replace P.E., it's a supplement. We're trying to create a culture of health throughout the entire school day, not just in the gym."

 

The obesity epidemic is particularly harmful for children because they're living with excess fat longer than ever before, she said.

To develop the program, Hasson's lab first partnered with U-M's College of Architecture and Urban Planning, which redesigned classroom setup and furniture to promote activity. Researchers then tested the program in the lab, and this portion of the intervention was called Active Class Space––basically the pre-testing for the classroom intervention.

Researchers tweaked the program along the way, trying exercise breaks of two, three and four minutes, and developing ways to make the exercise more enjoyable for students and more feasible for teachers.

The findings in the lab were positive: Unlike adults, the kids in the study who did 40 minutes a day didn't eat back the burned calories or become couch potatoes when they got home. Children burned an additional 150 calories a day. The exercise breaks didn't disrupt learning, and 99 percent of the kids were able to resume book work within one minute, Hasson said.

Eventually, the U-M team was ready to test the program more widely in actual school settings, and that's when Project Healthy Schools became involved.

Project Healthy Schools is a Michigan Medicine program that provides health education in 100 Michigan schools, one in Arizona and four schools in Bangladesh. Its focus is combating obesity in children.

Like Reyes, Ben Rainsier, curriculum and training coordinator for Project Healthy Schools, has long known that kids sit too much. When Rainsier read about the Active Class Space study in the campus newspaper, he knew right away he wanted to be a part of it.

"I reached out to Dr. Hasson and said, 'This is awesome but this doesn't deserve to be in a lab, this deserves to be in schools,'" he said.

With the help of Project Healthy Schools, the lab at U-M has worked with about 1,000 students and 29 teachers in four schools. Hasson hopes to secure funding to help implement InPACT statewide.

Reyes said that students seem less sluggish, happier and more engaged, and they looked forward to the exercise breaks. And, he said, students in urban districts like Munger are exposed to many stressors that can be eased by exercise.

Shortly after starting InPACT, the kids were reminding Reyes when it was "time to dance."

"They love dancing, they love to move," he said. "We were able to do the 20-minute workouts almost every day."

 Rebecca Hasson

Project Healthy Schools

Studies:

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