Members of the Jr. Peewee Gators do a drill during an early-season practice for Pop Warner football on Wednesday, August 7, 2013 in Gainesville, Fla.
Matt Stamey/Gainesville Sun /Landov
Sure, you think, my kid’s on a football team. That takes care of his exercise needs, right? Probably not.
“There are these bursts of activity,” says Jim Sallis, a professor of family and preventive medicine at the University of California, San Diego. “But if you think about it, one hour of playing football out on the field means that the vast majority of that time is spent standing around waiting for the next play.”
And that’s a problem, federal health officials say, because children need at least one hour of moderate to vigorous physical activity every day.
“We know that physical activity in childhood strengthens your bones…
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