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These are the benefits often experienced by people who get regular physical activity.
Feeling better
Regular physical activity -
Looking better
Regular physical activity -
You need to burn off 3,500 calories more than you take in to lose 1 pound. If you want to lose weight, regular physical activity can help you in either of two ways.
First, you can eat your usual amount of calories, but be more active. Or, second, you can eat fewer calories and be more active. This is an even better way to lose weight. About three-fourths of the energy you burn every day comes from what your body uses for its basic needs, such as sleeping, breathing, digesting food and reclining. A person burns up only a small amount of calories with daily activities such as sitting. Any physical activity in addition to what you normally do will burn up extra calories.
The average calories spent per hour by a 150-pound person are listed below. (A lighter person burns fewer calories; a heavier person burns more.) Since exact calorie figures are not available for most activities, the figures below are averaged from several sources and show the relative vigor of the activities.
| Activity | Calories burned |
| Bicycling 6 mph | 240 cals./hr. |
| Bicycling 12 mph | 410 cals./hr. |
| Cross-country skiing |
|
| Jogging 51/2mph | 740 cals./hr. |
| Jogging 7 mph | 920 cals./hr. |
| Jumping rope | 750 cals./hr. |
| Running in place | 650 cals./hr. |
| Running 10 mph | 1280 cals./hr. |
| Swimming 25 yds/min. | 275 cals./hr. |
| Swimming 50 yds/min. | 500 cals./hr. |
| Tennis-singles | 400 cals./hr. |
| Walking 2 mph | 240 cals./hr. |
| Walking 3 mph | 320 cals./hr. |
| Walking 41/2mph | 440 cals./hr. |
The calories spent in a particular activity vary in proportion to one's body weight. For example, a 100-pound person burns 1/3 fewer calories, so you would multiply the number of calories by 0.7. For a 200-pound person, multiply by 1.3.
Working harder or faster for a given activity will only slightly increase the calories spent. A better way to burn up more calories is to increase the time spent on your activity.
Regular physical activity -
Consider the benefits of a well-conditioned heart:
In 1 minute with 45 to 50 beats, the heart of a well-conditioned person pumps the same
amount of blood as an inactive person's heart pumps in 70 to 75 beats. Compared to the
well-conditioned heart, the average heart pumps up to 36,000 more times per day, 13
million more times per year.
Feeling, looking, and working better - all these benefits from regular physical activity can help you enjoy your life more fully.
Yes! Many teenagers and young adults believe that they are too young to worry about heart disease. However, medical research shows that the heart disease process begins during childhood. Various studies show that physical activity is an important habit necessary for a healthy heart because it helps your heart function better, decreases cholesterol levels, and helps with weight control. Overall, medical evidence suggests that heart disease is almost twice as likely to develop in inactive people than in those who are active. Regular physical activity (even mild to moderate exercise) can help reduce your risk of heart disease. The best exercises to strengthen your heart and lungs are the aerobic ones like brisk walking, jogging, cycling and swimming.
We know that there are several factors that can increase your risk for developing coronary artery disease - and thus the chances for a heart attack. Fortunately, many of these risk factors can be reduced or eliminated.
Cigarette Smoking, Physical Inactivity and High Blood Pressure, High Cholesterol and Obesity. The more risk factors you have, the greater your risk for heart disease and heart attack.
Cigarette Smoking. Heavy smokers are two to four times more likely to have a heart attack than nonsmokers. The heart attack death rate among all smokers is 70 percent greater than among nonsmokers. People who are active regularly are more likely to cut down or stop cigarette smoking.
Physical Inactivity. The lack of physical activity increases your risk for developing heart disease. Physical activity can help control blood lipids, diabetes and obesity as well as help to lower blood pressure. Also, physical activity of the right intensity, frequency and duration can increase the fitness of your heart and lungs - which may help protect you against heart disease even if you have other risk factors.
Blood Pressure. High blood pressure can be controlled by lowering salt intake, maintaining a healthy weight, and taking medication-if prescribed your doctor. Teenagers should have their blood pressure checked at least once a year.
High Cholesterol. Simple dietary changes can lower your cholesterol and decrease your chances of developing heart disease. Drink skim or 1% milk. Eat more fruits, vegetables and grains and avoid fried foods. Also, if either of your parents has high cholesterol (240 milligrams per deciliter or higher) have your cholesterol checked.
Obesity. Excess weight may increase your risk of developing high blood pressure and high blood cholesterol. Regular physical activity can help you maintain your desirable body weight. People at their desirable weight are less likely to develop diabetes. And, exercise may also decrease a diabetic person's need for insulin.
The Dietmate program offers a simple and effective way to relieve your chance for heart disease. Click here for information on Dietmate.
Remember that even if you are active, you should not ignore other risk factors. Reduce or eliminate any risk factors you can to lower your chances of having a heart attack.
Tips for your heart's health:
For teens, the most common risk in exercising is injury to the muscles and joints. This usually happens from exercising too hard or for too long - particularly if a person has been inactive for some time. However, most of these injuries can be prevented or easily treated as explained in "Effective ways to avoid injuries."
If precautions are not taken during hot, humid days, heat exhaustion or heat stroke can occur - although they are fairly rare. Heat stroke is the more serious of the two. Their symptoms are similar:
| Heat Exhaustion | Heat Stroke |
| dizziness | dizziness |
| headache | headache |
| nausea |
|
| confusion | thirst |
| below normal body temperature | muscle cramps |
| sweating stops | |
| high body temperature |
The last two symptoms of heat stroke are important to know. If the body temperature becomes dangerously high, it can be a serious problem. Both heat exhaustion and heat stroke can be avoided if you drink enough liquids to replace those lost during exercise. And be sure to take the other important precautions listed later in the section on avoiding injuries.
Some of the deaths that occur during exercise are not caused by the physical effort itself. Death can occur at any time and during any kind of activity - eating, sleeping, sitting. This does not necessarily mean that a particular activity caused the death - only that the two events happened at the same time.
Exercising too hard is not beneficial for anyone. If you consider the time your body may have been out of shape, it is only natural that it will take time to get it back into good condition. A gradual approach will help you maximize your benefits and minimize your risks.
Should you begin a regular exercise program? Consider the ways physical activity can benefit you and weigh them against the possible risks.
Most teenagers do not need to see a doctor if they start a gradual, sensible exercise program which will have minimal health risks. However, some adolescents should seek medical advice.
Use the following checklist to find out if you should consult a doctor before you start or significantly increase your physical activity.*
If you've checked one or more items, see your doctor before you start. If you've checked no items, you can start on a gradual, sensible program of increased activity tailored to your needs. If you feel any of the physical symptoms listed above when you start your exercise program, contact your doctor right away.
Myth 1. Exercising makes you tired.
As they become more physically fit, most people feel physical activity gives them even
more energy than before. Regular, moderate-to-brisk exercise can also help you reduce
fatigue and manage stress.
Myth 2. Exercising takes too much time.
It only takes a few minutes a day to become more physically active. To condition your
heart and lungs, regular exercise does not have to take more than about 30 to 60 minutes,
three or four times a week. If you don't have 30 minutes in your schedule for an exercise
break, try to find two 15-minute periods or even three 10-minute periods. Once you
discover how much you enjoy these exercise breaks, you may want to make them a habit! Then
physical activity becomes a natural part of your life.
Myth 3. All exercises give you the same benefits.
All physical activities can give you enjoyment. Low-intensity activities - if performed
daily - also can have some long-term health benefits and lower your risk of heart disease.
But only regular, brisk and sustained exercises such as brisk walking, jogging or swimming
improve the efficiency of your heart and lungs and burn off substantial extra calories.
Other activities may give you other benefits such as increased flexibility or muscle
strength, depending on the type of activity.
Myth 4. The older you are, the less exercise you need.
We tend to become less active with age, and therefore need to make sure we are getting
enough physical activity. What is important, no matter what your age, is tailoring the
activity program to your own fitness level.
Myth 5. You have to be athletic to exercise.
Most physical activities do not require any special athletic skills. In fact, many people
who found structured sports difficult have discovered that other activities are easy to do
and enjoy. A perfect example is walking - an activity that requires no special talent,
athletic ability or equipment.
Some types of activity will improve the condition of your heart and lungs if they are brisk, sustained and regular. Low-intensity activities do not condition the heart and lungs much. But they can have other long-term health benefits.
The columns below describe three types of activities and how they affect your heart.
Column A - These vigorous exercises are especially helpful when done regularly. To condition your heart and lungs, the AHA recommends that you do them for at least 30 minutes, three or four times a week, at more than 50 percent of your exercise capacity. Other health experts suggest a shorter period for higher-intensity activities. These exercises can also burn up more calories than those that are not so vigorous.
Column B - These activities are moderately vigorous but still excellent choices. When done briskly for 30 minutes or longer, three or four times a week, they can also condition your heart and lungs.
Column C - These activities are not vigorous or sustained. They still have benefits - they can be enjoyable, improve coordination and muscle tone, relieve tension, and also help burn up some calories.
These and other low-intensity activities - like gardening, yard work, housework, dancing and home exercise - can help lower your risk of heart disease if done daily.
| A | B | C |
| Do condition heart and lungs | Can condition heart and lungs | Do not condition much |
| Aerobic Dancing | Downhill Skiing | Badminton |
| Bicycling | Basketball | Baseball |
| Cross-Country Skiing | Field Hockey | Bowling |
| Hiking (uphill) | Calisthenics | Croquet |
| Ice Hockey | Handball | Football |
| Jogging | Racquetball | Gardening |
| Jumping Rope | Soccer | Golf (on foot or by cart) |
| Rowing | Squash | Housework |
| Running in Place | Tennis (singles) | Ping-pong |
| Stair-climbing | Volleyball | Shuffleboard |
| Stationary Cycling | Walking Moderately | Social Dancing |
| Swimming | Softball | |
| Walking Briskly | Walking Leisurely |
Do you feel more like being active in the morning, afternoon, or evening? Consider moving other activities around. Schedule your activity as a regular part of your routine. Remember that exercise sessions are spread out over the week and needn't take more than about 10 to 15 minutes at a time.
By choosing activities you like, you will be more likely to keep doing them regularly and enjoying the many benefits of physical activity.
It's important to exercise at a comfortable pace. For example, when jogging or walking briskly you should be able to keep up a conversation comfortably. If you do not feel normal again within 10 minutes of stopping exercise, you are pushing yourself too much.
Also, if you have difficulty breathing, experience faintness or prolonged weakness during or after exercising, you are exercising too hard. Simply cut back.
That depends on your age, your level of physical fitness, and the level of intensity of your exercise. If you are inactive now, you might begin slowly with a 10-15 minute walk or other short session, three times a week. As you become more fit, you can do longer sessions or short sessions more often.
If you're active already and your goal is to condition your heart and lungs, try for a minimum of 30 minutes at your target heart rate zone. Each exercise session should include:
Warm up 5 minutes
Begin exercising slowly to give your body a chance to limber up and get ready for more vigorous exercise. Start at a medium pace and gradually increase it by the end of the 5-minute warm-up period.
Note: With especially vigorous activities such as jumping rope, jogging or stationary cycling, warm up for 5-10 minutes by jumping rope or jogging slowly. It is often a good idea to do stretching exercises after your warm-up period and after your exercise period. Many of these stretching exercises can be found in books on sports medicine and running. Below are three stretches you can use in your warm-up period and after your cool down period. Each of these exercises help stretch different parts of your body. Do stretching exercises slowly and steadily, and don't bounce when you stretch.
Wall push: Stand about 1 1/2 feet away from the wall. Then lean forward pushing against the wall, keeping heels flat. Count to 10 (or 20 for a longer stretch), then rest. Repeat one to two times.
Palm touch: Stand with your knees slightly bent. Then bend from the waist and try to touch your palms to the floor. Count to 10 or 20, then rest. Repeat one to two times. If you have lower back problems, do this exercise with your legs crossed.
Toe touch: Place your right leg level on a stair, chair, or other object. With your other leg slightly bent, lean forward and slowly try to touch your right toe with right hand. Hold and count to 1 0 or 20, then repeat with left hand. Do not bounce. Then switch legs and repeat with each hand. Repeat entire exercise one to two times.
If you are engaging in vigorous activities exercise at least three or four times per week (every other day). If you are starting with less intense exercise, you should try to do something at least every day.
Exercising regularly is one of the most important aspects of your exercise program. If you don't exercise at least three times a week, you won't experience as many of the benefits of regular physical activity as you could or make as much progress. Try to spread your exercise sessions throughout the week to maximize the benefits. An every-other-day schedule is recommended and may work well for you.
Whenever you miss a few sessions (more than a week), you may need to resume exercising at a lower level than before. If you miss a few sessions because of a temporary, minor illness such as a cold, wait until you feel normal before you resume exercising. If you have a minor injury, wait until the pain disappears.
When you resume exercising, start at one-half to two-thirds your normal level, depending on the number of days you missed and how you feel while exercising.
That depends on the benefits you are seeking.
Anything beyond 60 minutes daily of a vigorous or moderately vigorous activity will result in little added conditioning of your heart and lungs. And it may increase your risk of injury.
If you want to lose extra pounds or control your present weight, there is no upper limit in that the longer you exercise, the more calories you burn off. But remember that the most effective weight loss program includes cutting down on calories in addition to exercise.
Remember: How you exercise is just as important as the kind of activity you do. Your activity should be brisk, sustained and regular but you can do it in gradual steps. Common sense and your body will tell you when you are exercising too long or too hard. Don't push yourself to the point where exercise stops being enjoyable.
On hot, humid days:
On cold days:
On rainy, icy or snowy days:
If you've eaten a meal, avoid strenuous exercise for at least 2 hours. If you exercise vigorously first, wait about 20 minutes before eating.
There are many ways to begin an activity program. Below is an example of a jogging program. Jogging is an easy way for most teens to get regular exercise because it does not require special facilities or equipment other than good, comfortable shoes.
If jogging does not meet your needs, look for other exercise programs in pamphlets and books on aerobic exercise and sports medicine. Check out the programs and facilities of your local park and recreation department or community recreation centers.
A sample jogging program
| Warm up | Exercise Goal | Cool down | Total Time | |
| Week 1 | ||||
| Session A | Walk 5 min., then stretch and limber up | Walk 10 mn., try not to stop | For 3 mn. walk slower, stretch 2 min. | 20 min. |
| Session B | Repeat above pattern | |||
| Session C | Repeat above pattern | |||
| Continue with at least three exercise sessions during each week of the program. | ||||
| Week 2 | Walk 5 min., then stretch and limber up | Walk 5 min., jog 1 min., walk 5 min., jog 1 min. | Walk 3 min., stretch 2 min. | 22 min. |
| Week 3 | Walk 5 min., then stretch and limber up | Walk 5 min., jog 3 min., walk 5 min., jog 3 min. | Walk 3 min., stretch 2 min. | 26 min. |
| Week 4 | Walk 5 min., then stretch and limber up | Walk 4 min., jog 5 min., walk 4 min., jog 5 min. | Walk 3 min., stretch 2 min. | 28 min. |
| Week 5 | Walk 5 min., then stretch and limber up | Walk 4 min., jog 5 min., walk 4 min., jog 5 min. | Walk 3 min., stretch 2 min. | 28 min. |
| Week 6 | Walk 5 min., then stretch and limber up | Walk 4 min., jog 6 min., walk 4 min., jog 6 min. | Walk 3 min., stretch 2 min. | 30 min. |
| Week 7 | Walk 5 min., then stretch and limber up | Walk 4 min., jog 7 min., walk 4 min., jog 7 min. | Walk 3 min., stretch 2 min. | 32 min. |
| Week 8 | Walk 5 min., then stretch and limber up | Walk 4 min., jog 8 min., walk 4 min., jog 8 min. | Walk 3 min., stretch 2 min. | 34 min. |
| Week 9 | Walk 5 min., then stretch and limber up | Walk 4 min., jog 9 min., walk 4 min., jog 9 min. | Walk 3 min., stretch 2 min. | 36 min. |
| Week 10 | Walk 5 min., then stretch and limber up | Walk 4 min., jog 13 min. | Walk 3 min., stretch 2 min. | 27 min. |
| Week 11 | Walk 5 min., then stretch and limber up | Walk 4 min., jog 15 min. | Walk 3 min., stretch 2 min. | 29 min. |
| Week 12 | Walk 5 min., then stretch and limber up | Walk 4 min., jog 17 min. | Walk 3 min., stretch 2 min. | 31 min. |
| Week 13 | Walk 5 min., then stretch and limber up | Walk 2 min., jog slowly 2 min., jog 17 min. | Walk 3 min., stretch 2 min. | 31 min. |
| Week 14 | Walk 5 min., then stretch and limber up | Walk 1 min., jog slowly 3 min., jog 17 min. | Walk 3 min., stretch 2 min. | 31 min. |
| Week 15 | Walk 5 min., then stretch and limber up | Jog slowly 3 min., jog 17 min. | Walk 3 min., stretch 2 min. | 30 min. |
| Week 16 on: As you become more fit, gradually increase your brisk walking time to 20 to 30 minutes (or more, up to 60 minutes), three or four times a week. Remember that your goal is to get the benefits you are seeking and enjoy your activity. | ||||
The exercise pattern for the jogging sample activity program is a suggested guideline. Listen to your body and build up less quickly, if needed.
Here are some tips to help you stay physically active:
To become more physically active throughout your day, take advantage of any opportunity to get up and move around. Here are some examples:
Whatever your age, moderate physical activity can become a good health habit with lifelong benefits.
A prescription for your health
Feel better
Look better
Work better
Live an active life!
Copyright © Personal Improvement Computer Systems, Incorporated 1998