Most adults hear that they should exercise more, but the federal guidance is more specific and more flexible than many people realize. The target is a weekly total, not a daily workout, and it can be built from short stretches of movement spread across the week.
The weekly numbers
Federal physical activity guidelines tell adults to log between 150 and 300 minutes of moderate aerobic activity every week. Brisk walking and fast dancing both count, and so do biking and swimming. Anyone who prefers harder workouts can aim for 75 to 150 minutes of vigorous activity such as running, or mix the two intensities.
A simple test for intensity is the talk test. During moderate activity you can talk but not sing. During vigorous activity you can say only a few words before you need a breath.
Do not skip strength work
Aerobic minutes are only part of the picture. The same guidelines ask adults to do muscle-strengthening activity on at least 2 days each week. Lifting weights, using resistance bands, doing push-ups and carrying heavy groceries all count, as long as the major muscle groups get a turn.
Short bursts count
Earlier versions of the guidelines only counted activity done in bouts of 10 minutes or longer. The current edition dropped that rule, because research shows any amount of movement has some health benefit. A five-minute walk after lunch counts toward the weekly total.
Sit less, too
Adults are told first to move more and sit less. Research ties long stretches of sitting to a higher chance of heart disease and high blood pressure, and activity of any kind helps offset that risk. Standing up to stretch or walk for a few minutes each hour is a practical habit.
What regular activity does for you
The payoff shows up quickly and builds over time. One session can ease anxiety, lower blood pressure and improve sleep that night. Over the long run, regular activity lowers the risk of heart disease, stroke, type 2 diabetes, depression and dementia, and it helps prevent several kinds of cancer. For older adults it also cuts the chance of a fall and of getting hurt in one.
Getting started safely
Anyone starting a new routine, especially after a long break or with a health condition, should talk with a health care provider about how much and what kind of activity is safe. From there, add a little at a time: an extra 10-minute walk, a weekend bike ride or a short strength circuit at home, because more activity brings more benefit.
Filed under: Washington DC Health News
