Fred Harteis Health News - - Get moving: New exercise guidelines released Tuesday set a minimum sweat allotment for good health. For most adults, that's 2 1/2 hours a week.
How much physical activity you need depends largely on age and level of fitness.
Moderate exercise adds up for sluggish adults. Rake leaves, take a quick walk around the block or suit up for the neighborhood softball game. More fit adults could pack in their week's requirement in 75 minutes with vigorous exercise, such as jogging, hiking uphill, a bike race or speedy laps in the pool.
Children and teens need more — brisk activities for at least an hour a day, the guidelines conclude.
Consider it the exercise version of the food pyramid. The guidelines, from the Health and Human Services Department, aim to end years of confusion about how much physical activity is enough, while making clear that there are lots of ways to achieve it.
"The easy message is get active, whatever your way is. Get active your way," HHS Secretary Michael Leavitt told The Associated Press.
It's OK to start slowly.
"For a total couch potato who does zero, zip, nada, getting up and walking 10 minutes a day is a great start," said Rear Adm. Penelope Royall, deputy assistant secretary for disease prevention.
But people need to work toward eventually hitting that weekly minimum, she added. "Some is better than nothing, and more is better."
The guidelines come as scientists are trying to spread the word to a nation of couch potatoes that how active you are may be the most important indicator of good health. Yet a quarter of U.S. adults aren't active at all in their leisure time, government research concludes. More than half don't get enough of the kind of physical activity that actually helps health — walking fast enough to raise your heart rate, not just meandering, for instance. More than 60 million adults are obese.
Worse, the nation is raising a generation of children who may be less healthy than their parents. About a third are overweight and 16 percent are obese. And while young children are naturally active given the chance, schools are decreasing the amount of recess and gym time. By high school, a recent study found, fewer than a third of teens are getting an hour of activity a day.
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