Just get up and walk! You don’t really even need to change your clothes or shoes (unless you’re wearing heels, of course). Note: If you’re looking to go for a power walk, then changing clothes and putting on proper shoes is probably a good idea. Go for a walk periodically throughout your day or head out for a walking meeting at work instead of sitting in a meeting room. And, for those of you who don’t have time to make it to the gym in the morning, you can just head out the door first thing in the morning and walk it out.
Relax your shoulders and bend your elbows. Bring your arms up to a 90-degree angle, but no more. Straight arms can lead to swelling or numbness of the fingers. Swing your arms naturally with each step, and should be bent at the elbow at a 90? angle. Your elbows should be close to the torso, with the hands going no higher than the center of the chest on the forward swing, or past the back of the hip on the back swing. Faster arms will make faster feet.
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Recent research showed that wearing a fitness-tracking wristband (the FitBit One) did help overweight postmenopausal women increase their activity levels by nearly 40 minutes (and 789 steps) a week.2 Wearing a pedometer did not have such an effect. However, if you're committed to making your 10,000 steps a day, does that mean you're on your way to becoming physically fit?
You can get more specific with your aerobic interval training and use heart rate since it's an excellent indication of how hard you are working. Let's use jogging on a treadmill as the aerobic activity in this example. For example, if your heart rate is at 70% of your predicted maximum when you jog at 6 mph, then start at that speed and either increase the speed or elevation so that your heart rate increases to 85% or even 90% for one minute, then back to your usual jogging speed for three minutes to elicit a heart rate of 70%. Start with a 1:3 work:active-rest ratio. That's a good starting point, and as you increase the work intervals and decrease the active-rest ratios like in the examples above, you'll notice that your conditioning improves so that your heart rate will be lower at the higher speeds.
It should be noted that the MET approach was designed to build a classification system of different activities for research purposes - MET values "do not estimate the energy cost of physical activity in individuals in ways that account for differences in body mass, adiposity, age, sex, efficiency of movement, geographic and environmental conditions in which the activities are performed. Thus, individual differences in energy expenditure for the same activity can be large and the true energy cost for an individual may or may not be close to the stated mean MET level as presented in the Compendium." (as quoted from the main page of the Compendium of Physical Activities)

This one may seem obvious, but it's certainly a happy benefit for those who start walking regularly, says Dr. Jampolis. "As you continue to walk, you may notice your pants begin to fit more loosely around your midsection, even if the number on the scale isn't moving much," she says. "That's because regular walking can help improve your body's response to insulin, which can help reduce belly fat." Ariel Iasevoli, a personal trainer at Crunch gyms in New York City, adds that walking every day is one of the most effective low-impact ways to mobilize fat and positively alter body composition. "Daily walking increases metabolism by burning extra calories and by preventing muscle loss, which is particularly important as we get older," says Iasevoli. The best part? You don't have to slog it out on a treadmill at the gym to see these benefits. "One of my clients reduced her body fat by 2% in just one month by walking home from work each day, which was just under a mile," she says.
For most healthy adults, the Department of Health and Human Services recommends at least 150 minutes of moderate aerobic activity or 75 minutes of vigorous aerobic activity, or an equivalent combination of moderate and vigorous aerobic activity. The guidelines suggest that you spread out this exercise during the course of a week. Also aim to do strength training exercises of all major muscle groups at least two times a week.

Health ToolsCalories Burned Calculator Calories Burned Calculator Find out how many calories you burn doing different activities. The calculator uses the type of physical activity and your basal metabolic rate to calculate calories burned, so gives a personalised result. Knowing roughly how many calories you expend doing different activities can help you with weight loss or maintenance.
One final note. Spin class is interval training. It's done at gyms on special spin cycles with an instructor who barks out orders to increase the intensity and then slow down to catch your breath. It's addictive, and people who do it regularly swear by it. You should already be doing some aerobic exercise and be reasonably conditioned before you try it, but I recommend it if you're looking for one of the toughest workouts around.
Fitness trackers and fitness equipment can tally your calories burned while exercising, but they’re not always accurate. “Using a variety of sources and taking a ‘midpoint’ might help keep you honest,” says Hilaton. “I think it is important to keep in mind that all of these estimates of calories burned are just that: estimates. There are a lot of variables that go into the actual number of calories burned by any given individual in any exercise beyond speed and duration.” For a starting point, calculate your numbers with our Calories Burned Running Calculator.
Cancer has claimed over a million lives. A sedentary lifestyle is one of the causes of cancer, and this is where walking every day can help you. Scientists have found that walking can help in weight loss, thereby reducing the risk of cancer. Walking has been found to be helpful for those undergoing cancer treatment by reducing the side effects of chemotherapy (6). It can also lower the risk of breast cancer.

It’s official: Walking is as good for your brain as it is for your body. A comprehensive study of the effects of exercise on the brain found that it benefits all aspects of your mind, including memory, cognition, learning, reading and it even increases the size of your brain to boot. Even better, walking protects your brain by lessening your risk of getting cognitive illnesses like Alzheimer’s disease and dementia. Find out why walking at work is even better than a standing desk.
Want to live longer? Walk. Research has shown that you can add up to seven years to your life by exercising daily, regardless of what you weigh. Even better, those extra years will be good ones as folks who walk are happier. A separate study found that people who exercise report feeling happier, more excited, and more enthusiastic about their future than their couch-potato brothers. Find out how often you should get up and walk if you want to live longer.

You know how sometimes it takes a glass of wine or a square (or three) of dark chocolate to blunt the edge of a rough day? Well, going for a walk is a zero-calorie strategy with the same benefits, says Dr. Jampolis. "Research shows that regular walking actually modifies your nervous system so much that you'll experience a decrease in anger and hostility," she says. What's more, when you make your walks social—you stride with, say, your partner, a neighbor, or a good friend—that interaction helps you feel connected, says Dr. Jampolis, which boosts mood. Finally, walking outdoors exposes you to natural sunlight, which can help stave off Seasonal Affective Disorder (SAD)—making it a potential antidote for the winter blues, says Dr. Jampolis.
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Bone density develops most quickly during childhood and adolescence, with peak bone mass reached sometime in the mid-20s or early 30s, depending on the person. At this point, osteoblasts slow the production of new bone cells, and bone-destroying osteoclasts continue at the same pace. What ends up occurring is that bone is broken down more quickly than it’s built up, resulting in its slow thinning. This thinning increases rapidly in women post-menopause, and seems to increase in men later in life.
Just get up and walk! You don’t really even need to change your clothes or shoes (unless you’re wearing heels, of course). Note: If you’re looking to go for a power walk, then changing clothes and putting on proper shoes is probably a good idea. Go for a walk periodically throughout your day or head out for a walking meeting at work instead of sitting in a meeting room. And, for those of you who don’t have time to make it to the gym in the morning, you can just head out the door first thing in the morning and walk it out.
No matter how fast you walk, though, make sure you’re moving at a pace that will challenge your heart and improve your health. You should be able to hold a conversation, but not be moving so leisurely that you could sing a song. If you feel your body begin to get warm and sense that your heart rate is slightly elevated those are other signs you’re moving at an appropriate pace. (Looking for a challenge? This simple, surprising move will make your walking routine way more effective.)
My suggestion for getting started is almost always the same. Keep it simple, keep it practical, keep it convenient, keep it realistic, keep it specific, and don't try to make up for years of inactivity all at once. Select any activity and amount of time where the probability of sticking with it is high. You may not love walking, but if you can do it right outside your door, and it requires no special equipment, and you already know how to do it (you've been walking your entire life!), then walking might be your best bet for getting started because it's so convenient.

4. Haskell WL, Lee IM, Pate RR, et al. Physical activity and public health: updated recommendation for adults from the American College of Sports Medicine and the American Heart Association. Med Sci Sports Exerc 2007; 39(8):1423-34. Abstract available at: http://journals.lww.com/acsm-msse/Abstract/2007/08000/Physical_Activity_and_Public_Health__Updated.27.aspx

Fitness trackers and fitness equipment can tally your calories burned while exercising, but they’re not always accurate. “Using a variety of sources and taking a ‘midpoint’ might help keep you honest,” says Hilaton. “I think it is important to keep in mind that all of these estimates of calories burned are just that: estimates. There are a lot of variables that go into the actual number of calories burned by any given individual in any exercise beyond speed and duration.” For a starting point, calculate your numbers with our Calories Burned Running Calculator.
Each time you perform any exercise, such as walking or running, you burn some calories. The amount depends on a few factors: your speed, the time of exercising, your weight and the slope. Intuitively, if the grade is negative (you're on a decline), you burn less calories than if it is positive. For extreme slopes, use our hiking calculator instead.
3. It reduces the risk of developing breast cancer. Researchers already know that any kind of physical activity blunts the risk of breast cancer. But an American Cancer Society study that zeroed in on walking found that women who walked seven or more hours a week had a 14% lower risk of breast cancer than those who walked three hours or fewer per week. And walking provided this protection even for the women with breast cancer risk factors, such as being overweight or using supplemental hormones.

For a walking surface grade between -5% to +5% inclusive, this walking calorie burn calculator is based on equations (shown below) derived by ShapeSense.com from experimental data displayed in Figure 3 of the study titled "Energy Cost of Running," by R Margaria, P Cerretelli, P Aghemo, and G Sassi (note that the data on walking energy expenditure was originally printed in the study titled "Sulla fisiologia, e specialmente sul consumo energetico, della marcia e della corsa a varie velocita ed inclinazioni del terreno," by R. Margaria). The experimental data gathered by Margaria measured calorie burn of subjects walking at various speeds and on various surface grades. It was found that there is a non-linear relationship between walking speed and rate of calorie burn, as opposed to calorie burn while running, which displays a linear relationship between speed and rate of calorie burn.

How can you know if you are working in the right intensity? Using an RPE (Rate of Perceived Exertion) chart can help you to determine the appropriate intensity. The scale uses a 1 to 10 rating system. One is very light, such as walking to the refrigerator for a glass of milk. Ten would be a very significant level, representing maximal exercise. Ten would be indicative of not being able to take another step without fear of collapse. It is not recommended for anyone to work at a rate of 10 without strict supervision by a healthcare provider. Moderate intensity is the level of exercise that is most recommended, and can be determined by a rating between a 3 and a 5.
In the end, vigorous running wins out for calorie burn, but remember that calories aren't everything. Obsessing over exactly how many calories you consume or burn is just as unhealthy as not exercising at all. So choose the activity you love most—whether it be walking or running—and focus less on the calories and more on how much better you feel after doing it.
‘Aerobic’ exercise refers to exercise that requires the consumption of substantially more oxygen than at rest. It is of a light to moderate intensity, and can be undertaken for a prolonged duration (many minutes to several hours) without excessive fatigue. Examples of aerobic exercise include walking, jogging, swimming or cycling at a steady pace. Another example would be dancing or ‘aerobics’ classes.Regular exercise causes your body to make adjustments that result in improved health and physical functioning. Continuing with regular exercise enables your body to maintain these benefits. Regularly doing the right types of exercise at the correct intensity, and for an appropriate duration, results in the most benefit.The benefits of aerobic exercise can be broadly categorised as either ‘fitness’ (physical capacity) or ‘health’. Fitness and health are linked, and most forms of aerobic exercise will help you achieve both.Fitness — including increased cardiorespiratory fitness and endurance (stamina)Regular aerobic exercise improves your cardiovascular fitness by increasing your capacity to use oxygen. It does this by increasing your heart’s capacity to send blood (and hence oxygen) to the muscles. This is mainly achieved through an increase in the size of the heart’s pumping chambers (ventricles), which means that your heart doesn’t have to beat as fast to deliver the same amount of blood. This is evident in a slower resting heart rate, and a slower heart rate for the same exercise intensity.As you get ‘fitter’, particular activities (such as walking or jogging at a specified speed) will become easier.You’ll also be able to undertake the activity for longer (known as endurance), and/or at a higher intensity (e.g. jogging at a faster speed). The same applies to activities such as cycling or swimming, but it should be noted that fitness tends to be specific. So jogging will provide only limited benefits to your swimming fitness and vice versa. However, a side-benefit you may notice is that you also have increased stamina for the everyday activities of life, not just for exercise.Other fitness improvements occur in the exercising muscles, and are specific to those muscles being used in the mode of exercise (e.g. walking, running, cycling, or swimming). These include an increased capacity for the muscles to take up and use the additional oxygen being delivered by the heart.Reduced risk of certain health problemsRegular aerobic exercise has been shown to reduce the risk of heart disease, high blood pressure, type 2 diabetes, colon cancer and breast cancer. It can lower blood pressure and improve your blood cholesterol by reducing the levels of LDL-cholesterol (so-called ‘bad’ cholesterol) and increasing the amount of HDL-cholesterol (so-called ‘good’ cholesterol). It can also reduce anxiety, stress and depression, as well as instilling a general sense of well-being. Regular aerobic exercise has even been shown to have the potential to increase your lifespan.Low-impact aerobic exercise such as swimming is valuable for improving general health and fitness in people who have arthritis or other conditions that limit their ability to do weight-bearing exercise.Importantly, whereas fitness tends to be quite specific, many health benefits can be gained from any form of aerobic exercise. Additionally, the health gains can be achieved from relatively moderate amounts of exercise — moving from a lifestyle involving no exercise to one that involves some exercise can lead to substantial improvements in health.Weight controlAerobic exercise burns up energy (calories). Regular sessions of 30 to 60 minutes of low to moderate intensity aerobic exercise (at around 55 to 70 per cent of maximum heart rate) can be an important part of a weight loss or weight management programme that is also mindful of the energy (calories) consumed as food.However, many of the health benefits associated with aerobic exercise occur independently of weight loss. Evidence from large studies has shown that active, overweight people do not have a greater risk of many diseases than inactive people who are not overweight. From a health perspective, it is of course best to be both active and a healthy weight, but if weight reduction is a problem, it doesn’t mean that the exercise is having no benefit.Improved bone and muscle healthYour risk of osteoporosis (excessive bone thinning as you age) can be reduced by regular weight-bearing aerobic exercise such as brisk walking.By stimulating the growth of tiny blood vessels in your muscle tissues, aerobic exercise has also been shown to lessen the pain experienced by people who have fibromyalgia or chronic low back pain, as the oxygen supply to the muscles is improved and waste products are removed more efficiently.Social benefitsRegular aerobic exercise can have social benefits too, whether you walk with a friend, play tennis with workmates, or form a social cycling team. Exercising with friends can also be the most effective way of ensuring that you do it regularly.Aerobic exercise precautionsAs with any form of exercise, be aware of over-exercising, either by doing aerobic exercise too hard, for too long or too often. This approach can lead to injury, and abandoning of your fitness programme. Remember to build up gradually from your current activity level, and not to progress too rapidly. If you are new to regular aerobic exercise, several weeks of low to moderate intensity aerobic exercise are usually advised before introducing more vigorous aerobic exercise sessions.If you have existing health problems, are at high risk of cardiovascular disease, or have muscle, bone or joint injuries, check with your doctor before undertaking an aerobic exercise programme. Also, men aged over 40 years and women aged over 50 years who have not exercised regularly in the recent past should check with a doctor before undertaking a programme of vigorous physical activity. Last Reviewed: 11 January 2010
As a general goal, aim for at least 30 minutes of physical activity a day. If you can't set aside that much time, try several short sessions of activity throughout the day. Any amount of activity is better than none at all. Even small amounts of physical activity are helpful, and accumulated activity throughout the day adds up to provide health benefit.

When you engage in cardio exercise, your heart rate increases, pumping oxygenated blood and nutrients through your body, improving circulation and cardiovascular response. Post-exercise, your blood pressure decreases and you continue to see improved biomarkers for heart health for several hours. Walking is an easy way to enjoy these health benefits.
“I like to say that running is a gift. Not everyone gets that gift. If you’re one of the ones who has been gifted with the ability to run and enjoy it, then treasure that gift. Nurture it and never ever take it for granted,” says Hamilton. “But walking is a wonderful activity and for those who don’t have the ability or desire to run, it can provide huge health benefits. The difference in calorie burn between briskly walking a mile and slowly running a mile is minimal—the more noticeable difference is how long it took you to cover the distance. Walking builds and maintains lower extremity and core strength, helps clear your mind, and, for runners, it’s a great way to have an active recovery day.”
On the other hand, some people like to know with more precision how their body is doing during exercise. If that's the case for you, then taking your heart rate during exercise and using a target heart rate training zone might be just the ticket. Target heart rate zones range anywhere from 50% to 100% of your maximum heart rate (your maximum heart rate is based on your age). Aerobic exercise is anything less than 85%, and anaerobic exercise is anything above that. A nice starting point for a sedentary individual is somewhere in the range from 50% to 65% (you can always increase as you get more fit) and 65% to 85% for more conditioned individuals.

Both recommendations include aerobic exercise, and your health and fitness will improve if you follow either. Choose the Surgeon General's lifestyle recommendation if you are unable or unwilling to follow the ACSM workout recommendation, and stick with the ACSM recommendation if you're already putting in time at the gym or you like the buzz of vigorous exercise. Of course, incorporating lifestyle activity and formal workouts into your exercise plans will give you the best of both worlds.

Most activities can be performed aerobically or anaerobically. For example, you could walk briskly on the treadmill at 3.5 miles per hour and feel warm and slightly out of breath (aerobic), or you could walk very briskly at 4.5 miles per hour and feel very out of breath (anaerobic). The same is true for biking, swimming, dancing, or virtually any other activity. The intensity of the workout determines whether an activity is aerobic or anaerobic, and all you need to do is pace yourself to elicit the type of training you desire.
It is increasingly obvious that one of the best ways to maintain good health is through physical activity. Regular participation in exercise has been shown to be helpful in the prevention of such killers as heart disease, cancer, and diabetes. Exercise also helps to control weight. (According to the latest research, one out of three Americans is obese.)
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When it comes to walking, the question shouldn’t be “Why?” but “Why not?” Regardless of your starting point, you can be reasonably certain that a walking regimen is safe and effective. If you have a known cardiovascular, metabolic, or pulmonary condition, always consult with your doctor to get clearance before starting. However, it is most likely that your doctor will applaud and support your decision to add walking to your routine.
Classes are great for people who like to exercise with others, who like to dance, who like music and rhythm, who want the extra motivation and energy that an instructor and class provides, and who prefer the structure and schedule of a regular class. Classes, equipment, and videos are all great ways to stay fit and healthy, but if you're limited by injury or other conditions, then aerobic exercise chair workouts may be just the thing (see resources for online vendors). The instructor leads you through a workout in a chair and it's great exercise. You might not need chair exercise, but you may have a parent or friend who does. Exercise videos and DVDs make great gifts!