Most of us who exercise regularly understand that exercise can elevate our mood. There have been a number of studies investigating the effects of exercise on depression. In one of the most recent studies, it was shown that three to five days per week for 12 weeks of biking or treadmill for approximately 30 minutes per workout reduced scores on a depression questionnaire by 47%. It's not a substitute for therapy in a depression that causes someone to be unable to function (in which case medication and/or psychotherapy may be necessary), but for milder forms of depression, the evidence is persuasive that it can help.
Your local gym will provide a wide variety of aerobic options, such as treadmills, cross trainers, exercise bikes, stairmasters, rowing and ski machines so that you can just switch on and get started with your workout. It can be a good idea to diversify between different machines and different speeds/levels of resistance as your body can get used to a certain routine and after a number of sessions the same routine will not work your heart and lungs as much as it once did.
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While you may want to set up your own individual goals and routes, walking can also be a social occasion, be it through a walking group or through striding out with like-minded souls. It can also help fight off feelings of isolation and loneliness. A survey by the charity Mind found 83 per cent of people with mental health issues look to exercise to help lift their mood.
Believe it or not, walking can actually increase your intelligence. Walking helps to supply the brain with the required amounts of oxygen and glucose, which helps it function better. It also decreases the levels of LDL cholesterol, which clogs arteries, and hence reduces the risk of stroke (7). So, walking can help improve blood circulation, which helps the brain and cellular functions.
These electrons have powerful antioxidant effects that can protect your body from inflammation and its many well-documented health consequences. For example, one scientific review published in the "Journal of Environmental and Public Health" concluded that grounding (walking barefoot on the earth) could improve a number of health conditions, including the following:15
Every session of aerobic exercise should include a warm-up and cool-down. The warm-up period should not include static stretching, but should instead be a gradual increase in pace and intensity of the exercise. This allows for the body to increase blood flow to the muscles, and decreases the likelihood of a muscle or joint injury. The warm-up should last between 5 and 10 minutes. The cool-down session should last a similar amount of time as the warm-up, with the pace gradually decreasing. Stretching exercises would be appropriate after aerobic exercise.
Researchers have really been looking into how exercise can help improve the quality and length of our life. Sanjay Sharma, professor of inherited cardiac diseases in sports cardiology at St George’s University Hospitals NHS Foundation Trust in London, pointed out that “Exercise buys you three to seven additional years of life. It is an antidepressant, it improves cognitive function and there is now evidence that it may retard the onset of dementia.”
"By adding some variables into the mix you can turn a simple walk into a fun, fast interval session, burning a high level of calories, and in turn, crushing your fat cells,” adds Rob McGillivray, Founder of RETROFIT in West Hollywood. “Essentially we burn the most calories by repeatedly raising and lowering the heart rate, as opposed to keeping the heart rate at one steady pace, whether that be high or low. So, if you were to compare the heart rate fluctuations of someone walking up a mixture of steep hills and then add in variations of walking speeds, styles of walking (such as lunging, striding, side cross overs, etc.) to that of someone primarily running at a medium pace on a level gradient, you could see greater all round results on both your body's caloric burn and a greater degree of lower limb muscle groups being targeted. It is also said that hill walking, as opposed to running on a level gradient, can enable you to burn more fat without attacking lean muscle tissue.”
When the weather outside is frightful, many people turn to treadmills. Admittedly, treadmills are boring. Spice up a complete treadmill workout by using elevation to give the sense of a trail. You don't have to follow the preprogrammed courses. Create your own interval training with hills. Make it a mental game. Life isn't automated and your treadmill workout shouldn't be either. Ascend and descend by varying your elevations and speeds.
Aerobic exercise involves regular body part (e.g., arms or legs) movements that increase workload on the cardiovascular system. It is convenient and useful to think of the intensity of aerobic exercises in metabolic equivalents, or METs. One MET represents the amount of energy used at rest, and two METs is twice that much energy expenditure per unit of time, and so on. Aerobic exercise is widely recommended in contemporary guidelines. However, guidelines also indicate that exercise regimens are contraindicated in patients with unstable cardiovascular conditions, including but not limited to uncontrolled severe hypertension (BP ≥ 180/110 mm Hg). Conditions under which stress testing should be performed before initiation of an exercise regimen have been described.37
I recommend using a pedometer, or better yet, one of the newer wearable fitness trackers, to keep track and find out how far you normally walk. At first, you may be surprised to realize just how little you move each day. Tracking your steps can also show you how simple and seemingly minor changes to the way you move around during the day can add up. Plus, it’s motivating to see your steps increase throughout the day, which makes it easier to push yourself a little farther to reach your 10,000-step goal.
There’s no need to try to squeeze in all of your steps in one shot. In fact, you may get more benefit if you spread them out throughout the day. If you often get stuck at your desk for hours on end during your workday, try setting a reminder for every hour, and spend 15 minutes walking. If you’re able to repeat this five times a day, you may reach your 10,000 step goal before you leave work!

Improper digestion can lead to gastrointestinal discomfort, bloating, constipation, diarrhea, and even colon cancer. Therefore, it is very important that you keep your digestive system healthy. Apart from maintaining good food habits and drinking water, you should also walk to improve digestion. Walking after meals is great. It helps you reduce weight and also supports your digestive system (11) (12).
Español: empezar a caminar para ejercitarse, Português: Começar a Caminhar para Se Exercitar, Italiano: Iniziare a Camminare come Allenamento, Русский: заняться тренировочной ходьбой, Deutsch: Eine Laufroutine aufbauen, Français: commencer à pratiquer la marche sportive, Bahasa Indonesia: Memulai Olahraga Jalan Kaki, Nederlands: Meer bewegen door te gaan wandelen, العربية: البدء بالمشي كتمرين رياضي
Español: empezar a caminar para ejercitarse, Português: Começar a Caminhar para Se Exercitar, Italiano: Iniziare a Camminare come Allenamento, Русский: заняться тренировочной ходьбой, Deutsch: Eine Laufroutine aufbauen, Français: commencer à pratiquer la marche sportive, Bahasa Indonesia: Memulai Olahraga Jalan Kaki, Nederlands: Meer bewegen door te gaan wandelen, العربية: البدء بالمشي كتمرين رياضي

Imagine that you're exercising. You're working up a sweat, you're breathing hard, your heart is thumping, blood is coursing through your vessels to deliver oxygen to the muscles to keep you moving, and you sustain the activity for more than just a few minutes. That's aerobic exercise (also known as "cardio" in gym lingo), which is any activity that you can sustain for more than just a few minutes while your heart, lungs, and muscles work overtime. In this article, I'll discuss the mechanisms of aerobic exercise: oxygen transport and consumption, the role of the heart and the muscles, the proven benefits of aerobic exercise, how much you need to do to reap the benefits, and more.


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?
Taking a walk alone can be great for clearing your head or blowing off some steam but it also provides a great opportunity to bond with friends and family—far away from electronics and other distractions at home. Even better, you set a powerful example because when they see you reaping in the benefits of walking, they’ll be encouraged to walk more, too, according to a study published in Psychology of Sport and Exercise.  Try these walking workouts that will keep your walking group interesting.

Triglycerides are a common form of fat that we digest. Triglycerides are the main ingredient in animal fats and vegetable oils. Elevated levels of triglycerides are a risk factor for heart disease, heart attack, stroke, fatty liver disease, and pancreatitis. Elevated levels of triglycerides are also associated with diseases like diabetes, kidney disease, and medications (for example, diuretics, birth control pills, and beta blockers). Dietary changes, and medication if necessary can help lower triglyceride blood levels.
Studies have shown that (1) microbial community composition may play an important role in xenobiotic processing in soil and other soil processes (Cavigelli and Robertson, 2000; Balser et al., 2002) and (2) the microbial communities residing at depth are not simply diluted analogs of the surface microbial communities, but exhibit considerable differentiation (Ghiorse and Wilson, 1988; Fritze et al., 2000; Blume et al., 2002). In fact, the microbial communities in the soil subsurface may function differently from those at different depths. Aerobic microbes predominated the surface soil or soil rich in moisture and oxygen, whereas anaerobic microbes predominated the deep soil (Li et al., 2014a; Fierera et al., 2003; Blume et al., 2002).
“Cardiovascular health is defined by your capacity to exert yourself,” says Nicole Belkin, MD, an orthopedic surgeon at NewYork-Presbyterian/ Columbia University Medical Center. “Regular physical activity trains the cardiovascular system to expand the level of demand and increase its capacity. This results in increased blood flow and blood volume to the heart.”
The research, presented at the European Society of Cardiology (ESC) Congress, followed 69 people between the ages of 30 and 60. Those who engaged in daily moderate exercise, such as a brisk walk or jog, high-intensity interval training (HIIT), and strength training experienced anti-aging benefits that could add an additional three to seven years to your life.1
Studies have shown that (1) microbial community composition may play an important role in xenobiotic processing in soil and other soil processes (Cavigelli and Robertson, 2000; Balser et al., 2002) and (2) the microbial communities residing at depth are not simply diluted analogs of the surface microbial communities, but exhibit considerable differentiation (Ghiorse and Wilson, 1988; Fritze et al., 2000; Blume et al., 2002). In fact, the microbial communities in the soil subsurface may function differently from those at different depths. Aerobic microbes predominated the surface soil or soil rich in moisture and oxygen, whereas anaerobic microbes predominated the deep soil (Li et al., 2014a; Fierera et al., 2003; Blume et al., 2002).

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To get the health benefits, try to walk for at least 30 minutes as briskly as you can on most days of the week. ‘Brisk’ means that you can still talk but not sing, and you may be puffing slightly. Moderate activities such as walking pose little health risk but, if you have a medical condition, check with your doctor before starting any new exercise program of physical activity.

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.
Many people aim for a daily goal of 10,000 steps (or about 5 miles)—and an industry of fitness tracking devices has emerged to support them—but that magic number didn’t originate from scientific research, says John Schuna Jr., Ph.D., assistant professor of kinesiology at Oregon State College of Public Health. “It was first used in a Japanese marketing effort associated with one of the first commercial pedometers.” The device was called “manpo-kei,” which literally means "10,000 steps meter" in Japanese. 
Whatever your preferred exercise intensity, it’s also important to choose activities that you enjoy and will stick with over the long term. Walking, biking, hiking, dancing, and gardening are all great forms of aerobic exercise that you can easily integrate into your day. After all, aerobic exercise can greatly improve your health even if you perform it in shorter segments throughout the day.
You may want to consider keeping a simple log of your walking sessions. If you have a pedometer, a tool that calculates your steps and distance, you can write down how many steps you’ve taken that day. Did you walk on a treadmill? Write down your time, distance, and pace in a notebook or an Excel spreadsheet. Looking back on all your steps is a great way to stay motivated.
Raise your hand if you’re stressed out. OK, OK, put both your hands back down. Most of us swim in a pool of stress every day and that takes a serious toll on our mental and physical health.  But science says one of the benefits of walking is it’s one of the fastest, most effective ways to calm down. Moving clears cortisol, the “stress hormone”, out of your system and also helps stop the never-ending stream of worries going through your mind, according to a study published in The American Journal of Cardiology. Here are tricks for getting the most happiness out of your walk.
And when equal amounts of energy were expended (meaning walkers spent more time exercising), one study found runners still lost more weight.Greater weight loss from running than walking during a 6.2-yr prospective follow-up. Williams PT. Medicine and science in sports and exercise, 2013, Nov.;45(4):1530-0315. In this study, not only did the runners begin with lower weights than the walkers; they also had a better chance of maintaining their BMI and waist circumference.
Add a simple four-minute stretch routine a few days a week after your walk to maintain your natural range of motion. Just stand up, even if you're at work fully dressed in work clothes. Put one leg back, bend the front knee, and lean forward to stretch the calf muscle. For thighs, grab your ankle from behind, keep your knees close together. Lean forward to stretch your lower back.

Getting a solid eight hours snoozing in the sack is one of the most important things you can do for your health. But sometimes that’s easier said than done. Thankfully a brisk walk is basically Ambien, minus the pill (and the scary sleep-walking stories). In a large meta-analysis of sleep studies, researchers found that regular walkers had longer and better quality sleep. And for those unlucky few who still had insomnia? Walking helped reduce the number of sleepless nights they experienced. Find out which side of the road is safest for walking and why.
To estimate the amount of energy—remember, energy equals calories—the body uses during physical activity (versus when you’re at rest), scientists use a unit that measures the metabolic equivalent for task (MET). One MET is what your body burns while lounging on the couch watching Netflix. Walking, a "moderate" exercise, uses 3 to 6 METs; running, which is typically classified as "vigorous," uses 6 METs or more.
I recommend using a pedometer, or better yet, one of the newer wearable fitness trackers, to keep track and find out how far you normally walk. At first, you may be surprised to realize just how little you move each day. Tracking your steps can also show you how simple and seemingly minor changes to the way you move around during the day can add up. Plus, it’s motivating to see your steps increase throughout the day, which makes it easier to push yourself a little farther to reach your 10,000-step goal.
High intensity interval training, which involves alternating periods of intense effort with recovery periods, can help you blast away calories. In 2014, researchers for the journal Applied Physiology, Nutrition, & Metabolism found that a 20-minute high intensity interval training workout boosted metabolism just as much as 50 minutes of cycling at a steady pace during the 24 hours following the exercise. In the study, participants in the interval training group cycled at a sprint pace for 60 seconds and then recovered for 60 seconds following each sprint. Add high intensity interval training to your routine to increase your metabolism in less time!
Aquatic exercise programs are an alternative for people with rheumatologic conditions because the buoyancy of water helps reduce loading on joints and thus makes it easier for patients with arthritis or fibromyalgia to exercise. These programs can include a combination of limb movements against water resistance and walking or jogging in the pool. Several studies of aquatic programs have reported improvements in pain, muscle strength, aerobic capacity, self-report and performance-based measures of function, daytime fatigue, anxiety, and depression.34,35,37

A brisk walk provides us with the best source of natural energy. It boosts circulation and increases oxygen supply to each and every cell in the body, helping you feel more alert and alive. Regular walking should mean you sleep better too. It also serves to bring stiff joints back to life and ease muscle tension. We can all feel sluggish at times, but you can help break that cycle through walking.
myDrReferences 1. American College of Sports Medicine Position Stand: The recommended quantity and quality of exercise for developing and maintaining cardiorespiratory and muscular fitness, and flexibility in healthy adults. Med Sci Sports Exerc 1998; 30: 975-91. Available at: http://journals.lww.com/acsm-msse/Fulltext/1998/06000/ACSM_Position_Stand__The__Recommended_Quantity_and.32.aspx 

Regardless of how many calories you burn, adding walking into your daily routine can have profound health benefits! Going on regular, brisk walks can help you maintain a healthy body weight and stave off diseases like diabetes, heart disease, high cholesterol and hypertension. In addition, regular walking helps improve bone density and leads to increased muscle strength.
You could increase your calorie burn by drizzling some hot sauce on your food. Hot sauce is made from hot peppers, which contain a spice called capsaicin. According to a 2012 study in the journal Chemical Senses, capsaicin increases both calorie burn and fat burn. Use hot sauce to add some flavor to a chicken breast for a healthy dinner, or mix in some hot sauce to spice up your scrambled eggs.
Utilize the Incline Feature: “Treadmills have a variety of uses and one of them that many people don't take advantage of is the incline feature. Walking or running on a treadmill is meant to simulate how you walk or run outside. The incline feature turns what could be compared to walking or running on a sidewalk, into a motion more similar to walking up a mountain,” says Crockett. “Adjusting the incline on a treadmill has several benefits. Your workout intensifies because you're placing more demand on the body to keep up with the machine. The higher you set the incline, the more energy your body is forced to use to help activate your glutes, quadriceps and calves, all of which have to put in overtime when the incline is increased. This increase of energy burns more calories and depending on your weight and cardiovascular endurance can also burn more fat.”
If you're thinking that walking could be a good way of getting fit, losing weight or just keeping you healthy, then this book will tell you how to go about it. If you have already started walking and want to hone your power walking technique, or train for a specific goal (e.g. the London Moonwalk), then this book will tell you everything you need to know. But if you're more into hiking or country walks, then this is not for you.
Also known as a cooling vest or ice vest, the revolutionary vests must be used appropriately for you to experience the best results. You need to use it only when you are at a comfortable temperature. Examples of these scenarios are sitting in your car, watching a football game, driving, working in the office or resting in a room or in an outdoor area when not exercising.
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.
Figure 79(A)–(C) summarize the significance of the three aerobic processes. In the growth pathway (Figure 79A), the substrate is processed by an oxygenase that uses NAD(P)H and forms NAD(P)+, while the intermediate is processed by a reductase that reduces NAD(P)+ to NAD(P)H. This regeneration of NAD(P)H generates sufficient energy and precursors to sustain growth. In the nongrowth process (Figure 79B), the initial processing of the nongrowth substrate may generate dead-end products (not degraded by the bacterial populations) that may have adverse (toxic) effects. When a soil sample contains both growth and nongrowth substrates (Figure 79C), they compete for the enzyme, resulting in degradation of the nongrowth substrate. This strategy is commonly used in bioremediation processes.
Also known as a cooling vest or ice vest, the revolutionary vests must be used appropriately for you to experience the best results. You need to use it only when you are at a comfortable temperature. Examples of these scenarios are sitting in your car, watching a football game, driving, working in the office or resting in a room or in an outdoor area when not exercising.

Barough has devised different training programmes for beginner, intermediate and advanced levels, for weight loss, and for those with distance goals. I am in training for the Moonwalk marathon this summer (2005), but I started using this book when I was a complete novice and it has held my hand all the way through. I am still referring to it to remind myself of things I have forgotten, for information that is relevant to me now but wasn't when I started, or for the extras I can focus on now that more of my routine has become automatic.
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Studies have shown that (1) microbial community composition may play an important role in xenobiotic processing in soil and other soil processes (Cavigelli and Robertson, 2000; Balser et al., 2002) and (2) the microbial communities residing at depth are not simply diluted analogs of the surface microbial communities, but exhibit considerable differentiation (Ghiorse and Wilson, 1988; Fritze et al., 2000; Blume et al., 2002). In fact, the microbial communities in the soil subsurface may function differently from those at different depths. Aerobic microbes predominated the surface soil or soil rich in moisture and oxygen, whereas anaerobic microbes predominated the deep soil (Li et al., 2014a; Fierera et al., 2003; Blume et al., 2002). 

It doesn't take all that much aerobic exercise to accrue lots of fitness and health benefits. There are two physical activity recommendations to choose from in the United States. One is the Surgeon General's "lifestyle" recommendation, where you can accumulate activity and incorporate it into your day (a nice way to save time for busy people), and then there's the formal "workout" recommendation from the American College of Sports Medicine (ACSM).
The best way to warm up is to walk slowly. Start off each walk at a leisurely pace to give your muscles time to warm up, and then pick up the speed. Afterwards, gently stretch your leg muscles – particularly your calves and front and back thighs. Stretches should be held for about 20 seconds. If you feel any pain, ease off the stretch. Don’t bounce or jolt, or you could overstretch muscle tissue and cause microscopic tears, which lead to muscle stiffness and tenderness.
Related ArticlesAerobic exercise: what you need to knowAerobic exercise refers to exercise that requires the consumption of substantially more oxygen than Warming up and cooling down for exerciseWarming up before exercise and cooling down and stretching after it are important parts of an exerciChoose the right exercise for youSelect types of exercise that fit your lifestyle and that you enjoy, because the benefits of exercisAdvertisement
Physical activity such as walking, jogging, indoor cycling, or aerobic dancing are all examples of aerobic exercise that strengthen the heart and lungs, therefore improving your body's utilization of oxygen. For general health, aim for a 30-minute workout (or three 10-minute workouts per day) three to five days a week at moderate intensity. Moderate intensity refers to an activity that will increase your breathing and get your heart beating fast. You should be able to talk with ease during moderate intensity workouts, though trying to sing would be more challenging.

At this point, you have to suspend your disbelief and try it. The concentration it requires beggars belief. Hall says at one point, “it’s like patting your head and rubbing your tummy – it takes a lot of brain power”. I didn’t believe her for one second, but of course it was true. Even chatting at the same time as having an active foot was a challenge. Having an active foot and a hip lift was like trying to do a sudoku while listening to Motörhead.
Your heart gets stronger and pumps more blood with each beat (larger stroke volume). Elite athletes, as I just mentioned, can have stroke volumes more than twice as high as average individuals. But it's not just that. Conditioned hearts also have greater diameter and mass (the heart's a muscle too and gets bigger when you train it), and they pump efficiently enough to allow for greater filling time, which is a good thing because it means that more blood fills the chambers of the heart before they pump so that more blood gets pumped with each beat.
Your heart rate rises during aerobic exercise. It can rise from 70 beats per minutes (bpm) at rest to as high as 170 bpm or even higher during exercise, depending on the intensity of the exercise, your fitness level, your age, and other factors. Whether you're training is aerobic or anaerobic is determined by the intensity of your workout, and monitoring the intensity is the key to know which one you're doing.
You should walk with great attention to your back foot, as though you’re peeling it off the ground like very strong Velcro. You should pay intense heed to the difference between each of your toes, as they touch and leave the ground. You should be aware of your foot’s contours, and this will activate your large posterior muscle chains, the hamstring and the glutes. Along with your active foot will come an open ankle; if you peel your foot off the ground in segments – so it’s not even thinking about becoming airborne until you come to the pivot point between the pad of your foot and your toes – your ankle will open up and become agile, intelligent.
Whether you’re just having a down day or a down life, taking a walk can instantly lift your mood—especially when you go outdoors. Not only can walking make you less depressed, but according to a study published in the Archives of Internal Medicine, depression sufferers who took a daily walk showed just as much improvement in their symptoms as people on medication. In fact, 60 to 70 percent of the subjects could no longer even be classified as depressed. And a follow-up study foun5d that the mood boost from the walk lasted longer than that of the medication. Find out exactly how long you should walk if you want a mood boost.
This article provides some general guidelines to help you improve aerobic fitness and gain the many health benefits associated with it. Because everyone has individual health needs and concerns, the fitness suggestions here may not be the best approach for you. The most important thing is to incorporate exercise into your daily routine and to stick with it.
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Most of us who exercise regularly understand that exercise can elevate our mood. There have been a number of studies investigating the effects of exercise on depression. In one of the most recent studies, it was shown that three to five days per week for 12 weeks of biking or treadmill for approximately 30 minutes per workout reduced scores on a depression questionnaire by 47%. It's not a substitute for therapy in a depression that causes someone to be unable to function (in which case medication and/or psychotherapy may be necessary), but for milder forms of depression, the evidence is persuasive that it can help.
As you get fit, you burn less calories doing the exact same workout. Shift your walking workout into a higher gear by doing interval training. Start at a warmup pace for a couple minutes and then walk at a brisk pace. Every five minutes, increase your pace to a sprint level, either by speed-walking, running or skipping rope. Maintain this burst of speed for 30 seconds. Return to a slow walk for a minute and then back to your vigorous pace before the next sprint. You dramatically boost your heart rate during the sprints, and it stays raised during the recovery period, resulting in more calories burned.
5. It boosts immune function. Walking can help protect you during cold and flu season. A study of over 1,000 men and women found that those who walked at least 20 minutes a day, at least 5 days a week, had 43% fewer sick days than those who exercised once a week or less. And if they did get sick, it was for a shorter duration, and their symptoms were milder.
The technical definition of aerobic exercise is “any form of exercise or activity that uses the aerobic metabolism — meaning oxygen is heavily involved in the cellular reactions that provide the body with the energy necessary to perform activity,” explains Michael Jonesco, DO, an assistant professor of internal and sports medicine at the Ohio State University Wexner Medical Center in Columbus. “You’re making yourself more efficient at delivering oxygen to the rest of the body.”
A higher percentage of fat is burned during aerobic exercise than during anaerobic exercise. Here's why. Fat is denser than carbohydrate (fat has nine calories per gram and carbohydrate has four), and so it takes more oxygen to burn it. During aerobic exercise, more oxygen is delivered to the muscles than during anaerobic exercise, and so it follows that a higher percentage of fat is burned during aerobic exercise when more oxygen is available. When less oxygen is present, like during anaerobic exercise, a higher percentage of carbohydrate is burned.
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