Everything In Moderation
When it comes to exercise we each determine what we can or cannot do, and how hard we push ourselves. Some follow the all-or-nothing principle, believing that if exercise is good for you it has to be hard, even painful. Then along came last year's Surgeon General's Report on Physical Activity, detailing the benefits of moderate physical activity. It was then that people began questioning exactly what "moderate activity" means. You Don't Have to Put Out a Lot to Gain a Lot. This perceived exertion scale shows you how little exertion is required to benefit from regular physical activity. It is used by exercisers to rate their exertion during any type of fitness program. Exercise rated in the 11 to 15 range is enough to improve cardiovascular condition. But even less than that - exertion rated in the 8 to 12 range, which is very light to moderate activity - can bring many health benefits.
Limitless Options
There are few limitations on what types of activities you can
do at a moderate intensity. The Surgeon General's Report includes a recommendation
that everyone accumulate 30 minutes or more of physical activity on most
or all days of the week. Brisk walking is the most popular choice
since it can easily be incorporated into a busy day, has low injury rates,
doesn't require special skills or equipment, and can be done by anyone at any age.
But don't forget the things you do everyday. Gardening provides a multitude of
opportunities for improving muscle strength, as does waxing the car
or vacuuming the carpet. One of the appealing aspects of this type
of exercise program is that the amount of exercise you need to
accumulate can be adapted according to the length of time, intensity
or frequency with which you exercise. To see an example of how
activities measure up to one another in relation to time and
intensity, see the box to the left.
The Road Ahead
Now that you know physical activity need not be overly
strenuous to be beneficial, it's time to get started. To insure that you're
able to stick with exercise, choose activities you enjoy that can easily
become part of your routine. Begin slowly, giving the body time to
adjust, and work up to the desired amount and intensity. If you have
any chronic health problems, or are at risk for any (e.g., heart
disease, diabetes, obesity), consult with your physician before
starting any activity.
Examples Of Moderate Amounts Of Activity
Washing and waxing a car for 45-60 minutes
Washing windows or floors for 45-60 minutes
Playing volleyball for 45 minutes
Playing touch football for 30-45 minutes
Gardening for 30-45 minutes
Wheeling self in wheelchair for 30-40 minutes
Walking 1 3/4 miles in 35 minutes (20 min/mile)
Basketball (shooting baskets) for 30 minutes
Bicycling 5 miles in 30 minutes
Dancing fast (social) for 30 minutes
Pushing a stroller 1 1/2 miles in 30 minutes
Raking leaves for 30 minutes
Walking 2 miles in 30 minutes (15 min/mile)
Water aerobics for 30 minutes
Swimming laps for 20 minutes
Wheelchair basketball for 20 minutes
Basketball (playing a game) for 15-20 minutes
Bicycling 4 miles in 15 minutes
Jumping rope for 15 minutes
Running 1 1/2 miles in 15 minutes (10 min/mile)
Shoveling snow for 15 minutes
Stairwalking for 15 minutes
Reprinted from the Surgeon General's Report on Physical Activity and
Health
Perceived EXERTION SCALE
6 Rest
7 Very, very light
8
9 Very light
10
11 Fairly light
12
13 Somewhat hard
14
15 Hard
16
17 Very hard
18
19 Very, very hard
20
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