An international analysis of children's fitness has revealed that today's kids can't run as far or as fast as their parents could at their age. More from The Associated Press:
On average, it takes children 90 seconds longer to run a mile than their counterparts did 30 years ago. Heart-related fitness has declined 5 percent per decade since 1975 for children ages 9 to 17.
The American Heart Association, whose conference featured the research on Tuesday, says it’s the first to show that children’s fitness has declined worldwide over the last three decades.
‘‘It makes sense. We have kids that are less active than before,’’ said Dr. Stephen Daniels, a University of Colorado pediatrician and spokesman for the heart association.
Health experts recommend that children 6 and older get 60 minutes of moderately vigorous activity accumulated over a day. Only one-third of American kids do now.
‘‘Kids aren’t getting enough opportunities to build up that activity over the course of the day,’’ Daniels said. ‘‘Many schools, for economic reasons, don’t have any physical education at all. Some rely on recess’’ to provide exercise.
Sam Kass, a White House chef and head of first lady Michelle Obama’s Let’s Move program, stressed the role of schools in a speech to the conference on Monday.
‘‘We are currently facing the most sedentary generation of children in our history,’’ Kass said.
The new study was led by Grant Tomkinson, an exercise physiologist at the University of South Australia. Researchers analyzed 50 studies on running fitness — a key measure of cardiovascular health and endurance — involving 25 million children ages 9 to 17 in 28 countries from 1964 to 2010.
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Image: Running feet, via Shutterstock