90 minutes of exercise a day? Not likely ...

updated 9:14 p.m. ET March 14, 2005

WASHINGTON - Sixty to 90 minutes of exercise? Every day? That’s what the government now suggests.

Even people working out at the gym say most folks won’t consider that, and the experts behind the government’s recommendation say 30 minutes a day is enough for most.

Paul Steinkoenig, 45, of Arlington, Va., now works out about 90 minutes a day three days a week. Sixty or 90 minutes every day “sounds higher than certainly what the average American is going to consider,” he said while using weight machines at the Thomas Jefferson Community Center in Arlington.

“I think 60 minutes would be a little much for me,” added Joseph Allwein, 84, who was pedaling a stationary bike at the center. Allwein said he bikes, rows or walks for 30 minutes five days a week.

Guidelines tied to weight
The panel of doctors and scientists that developed the recommendations put an emphasis on getting 30 minutes of exercise. But its 25 pages of recommendations were scaled down to three when they were released as part of the government’s new dietary guidelines in January. Those guidelines gave equal billing to the 60- and 90-minute suggestions.

“There’s an enormous need to clarify that,” said Russell Pate, a panel member and professor of exercise science at the University of South Carolina school of public health. “I have no doubt that if we all met that 30-minute guideline, we’d have a lot fewer of us that have weight problems.”

The guidelines are being used to update the government’s food pyramid, which is due out this spring. This is what they say about exercise:

• People need 30 minutes of physical activity on most days to ward off chronic disease.
• To prevent unhealthy weight gain, people should spend 60 minutes on physical activity on most days.
• Previously overweight people who have lost weight may need 60 to 90 minutes of exercise to keep the weight off.

Pate said it was a mistake not to tie the half-hour recommendation to people’s weight.

“It probably would have helped if, in the release of the guidelines, the 30-minute recommendation had been connected to the weight issue as the 60- and 90-minute recommendations were,” he said.

Weight is an issue throughout the guidelines, which tell people how to eat to be healthy. Overall, the guidelines advise eating fewer calories, more fruits, vegetables and whole grains. People should also drink more lowfat milk, eat less fat and salt and get more exercise.

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