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Physical activity is defined as any bodily movement produced by skeletal muscles that requires energy expenditure. Physical activity refers to all movement including during leisure time, for transport to get to and from places, or as part of a person’s work. Both moderate- and vigorous-intensity physical activity improve health.

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Key facts

Regular physical activity provides significant physical and mental health benefits.

In adults, physical activity contributes to prevention and management of noncommunicable diseases such as cardiovascular diseases, cancer and diabetes and reduces symptoms of depression and anxiety, enhances brain health, and can improve overall well-being.

In children and adolescents, physical activity promotes bone health, encourages healthy growth and development of muscle, and improves motor and cognitive development.

31% of adults and 80% of adolescents do not meet the recommended levels of physical activity.

The global target set to reduce levels of physical inactivity in adults and adolescents is a 10% relative reduction by 2025 and 15% by 2030, from the 2010 baseline.

The global estimate of the cost of physical inactivity to public health care systems between 2020 and 2030 is about US$ 300 billion (approximately US$ 27 billion per year) if levels of physical inactivity are not reduced.

Overview

WHO defines physical activity as any bodily movement produced by skeletal muscles that requires energy expenditure. Physical activity refers to all movement including during leisure time, for transport to get to and from places, or as part of a person's work or domestic activities. Both moderate- and vigorous-intensity physical activity improve health. Popular ways to be active include walking, cycling, wheeling, sports, active recreation and play, and can be done at any level of skill and for enjoyment by everybody.

Physical activity is beneficial to health and well-being and conversely, physical inactivity increases risk for noncommunicable diseases (NCDs) and other poor health outcomes. Together, physical inactivity and sedentary behaviours are contributing to the rise in NCDs and placing a burden on healthcare systems.

Improving levels of physical activity will benefit health and well-being and contribute to attainment of global NCD targets and a number of the Sustainable Development Goals. However, this will require increased commitments and investments by Member States; innovation and contributions from non-state actors; cross sector coordination and collaboration; and ongoing guidance and monitoring from WHO.

Benefits of physical activity and risks of sedentary behaviour and inactivity

Physical inactivity is one of the leading risk factors for noncommunicable diseases mortality. People who are insufficiently active have a 20% to 30% increased risk of death compared to people who are sufficiently active. Regular physical activity is associated with:

in children and adolescents, improvedphysical fitness, cardiometabolic health, bone health, cognitive outcomes, mental health and reduced body fat;

in adults and older adults, reducedrisk of all-cause mortality, risk of cardiovascular disease mortality, incident hypertension, incident site-specific cancers, incident type-2 diabetes, and falls and improved mental health, cognitive health, sleep and measures of body fat; and

for pregnant and post-partum women, decreased risk of pre-eclampsia, gestational hypertension, gestational diabetes, excessive gestational weight gain, delivery complications, postpartum depression and newborn complications. Physical activity has no adverse effects on birthweight or increased risk of stillbirth.

Sedentary behaviour is any period of low-energy expenditure while awake such as sitting, reclining or lying. Lives are becoming increasingly sedentary through the use of motorized transport and the increased use of screens for work, education and recreation. Evidence shows higher amounts of sedentary behaviour are associated with the following poor health outcomes:

in children and adolescents, increased adiposity, poorer cardiometabolic health, fitness, and behavioural conduct/pro-social behaviour, and reduced sleep duration; and

in adults, increasedall-cause mortality, cardiovascular disease mortality and cancer mortality and incidence of cardiovascular disease, cancer and type-2 diabetes.

How much physical activity is recommended?

The WHO Global guidelines on physical activity and sedentary behaviour provide recommendations for children (age 5 and up), adolescents, adults, older adults, pregnant and post-partum women, and people living with chronic conditions and disabilities. The recommendations detail the amount of physical activity (frequency, intensity and duration) required to offer significant health benefits and to reduce health risks. The guidelines highlight that any amount of physical activity is better than none; all physical activity counts; all age groups should limit the amount of time being sedentary; and muscle strengthening benefits everyone.

The WHO Guidelines on physical activity, sedentary behaviour and sleep for children under 5 years of age provide recommendations on the amount of time in a 24-hour day that young children, under 5 years of age, should spend being physically active or sleeping for their health and well-being, and the maximum recommended time these children should spend on screen-based sedentary activities or time restrained.

An infographic summarizes the current WHO guidelines on physical activity and sedentary behaviour for all age groups. WHO develops guidelines through an arduous process of reviewing scientific evidence and expert consultations. Preparations are already underway for the next guidelines, anticipated for publication in 2030.

Levels of physical inactivity globally

WHO regularly monitors trends in physical inactivity. A recent study (1) found that nearly one third (31%) of the world's adult population, 1.8 billion adults, are physically inactive. That is, they do not meet the global recommendations of at least 150 minutes of moderate-intensity physical activity per week. This is an increase of 5 percentage points between 2010 and 2022. If this trend continues, the proportion of adults not meeting recommended levels of physical activity is projected to rise to 35% by 2030.

Globally, there are notable age and gender differences in levels of physical inactivity.

Women are less active than men by an average of 5 percentage points. This has not changed since 2000.

After 60 years of age physical inactivity levels increase in both men and women.

81% of adolescents (aged 11-17 years) were physically inactive (2).

Adolescent girls were less active than adolescent boys, with 85% vs. 78%, not meeting WHO guidelines.

Many different factors can determine how active people are and the overall levels of physical activity in different population groups. These factors can be related to the individual or wider social, cultural, environmental and economic determinants that influence access and opportunities to be active in safe and enjoyable ways.

How Member States can increase levels of physical activity

The WHO Global action plan on physical activity provides policy recommendations for countries and communities to promote physical activity and ensure everyone has more opportunities to be regularly active. Examples of these recommendations include policies that ensure access to walking, cycling and non-motorized transport; that increase physical activity opportunities in schools, workplaces, childcare centres and in healthcare service delivery; and that increase accessibility and availability of community sports and public open spaces.

Implementing effective policies to increase levels of physical activity requires a collective effort, coordinated across multiple government departments at all levels, including health, transport, education, employment, sport and recreation, and urban planning. It also demands national and local engagement from nongovernmental organizations, various sectors, stakeholders and disciplines to support the implementation of policies and solutions that are appropriate to a country's cultural and social environment. Priority should be given to policy actions that address disparities in levels of physical activity, promoting, enabling and encouraging physical activity for all.

WHO response

WHOsupports countries and stakeholders to implement the recommended actions by:

1. developing global policy guidance and guidelines, underpinned by latest evidence and consensus;

2. supporting countries to develop appropriate policies that promote physical activity and multisectoral collaborations;

3. conducting advocacy to raise awareness of the multiple benefits of increasing physical activity and support the development of economic analysis of the impact of increasing physical activity and return on investment of different policy interventions;

4. developing technical tools and training packages to help countries build capacity in the implementation of policy and programmes across key settings and innovations using digital platforms including through WHO Academy courses, multi-country workshops and other knowledge exchange activities;

5. convening, coordinating, and collaborating to strengthen partnerships across sectors and between policy makers, practitioners and researcher communities; and

6. undertaking global monitoring and reporting of progress on implementation of the Global action plan on physical activity, global levels of physical inactivity and progress towards a 15% relative reduction in the prevalence of physical inactivity by 2030.

WHOsupports countries and stakeholders to implement the recommended actions by developing global policy guidance and guidelines, underpinned by latest evidence and consensus, to help countries develop appropriate policies, investment cases and financing mechanisms.
References

1. Strain, T., Flaxman, S., et al. National, regional, and global trends in insufficient physical activity among adults from 2000 to 2022: a pooled analysis of 507 population-based surveys with 5·7 million participants. The Lancet Global Health (2024).

2. Guthold, R., Stevens, G., et al. Global trends in insufficient physical activity among adolescents: a pooled analysis of 298 population-based surveys with 1.6 million participants. The Lancet Child & Adolescent Health Vol. 4 Iss. 1 (2019).

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WHO fact sheet on physical activity provides key facts and information on benefits, risks of inactivity, reasons for physical inactivity and how to increase physical activity, WHO response.

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Read what the CDC has to say about the benefits of physical activity.

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Centers for Disease Control and Prevention

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Regular physical activity is one of the most important things you can do for your health. Being physically active can improve your brain health, help manage weight, reduce the risk of disease, strengthen bones and muscles, and improve your ability to do everyday activities.

Adults who sit less and do any amount of moderate-to-vigorous physical activity gain some health benefits. Only a few lifestyle choices have as large an impact on your health as physical activity.

Everyone can experience the health benefits of physical activity - age, abilities, ethnicity, shape, or size do not matter.

Immediate Benefits

Some benefits of physical activity on brain health [PDF-14.4MB] happen right after a session of moderate-to-vigorous physical activity. Benefits include improved thinking or cognition for children 6 to 13 years of age and reduced short-term feelings of anxiety for adults. Regular physical activity can help keep your thinking, learning, and judgment skills sharp as you age. It can also reduce your risk of depression and anxiety and help you sleep better.

Both eating patterns and physical activity routines play a critical role in weight management. You gain weight when you consume more calories through eating and drinking than the amount of calories you burn, including those burned during physical activity.

To maintain your weight: Work your way up to 150 minutes a week of moderate physical activity, which could include dancing or yard work. You could achieve the goal of 150 minutes a week with 30 minutes a day, 5 days a week.

People vary greatly in how much physical activity they need for weight management. You may need to be more active than others to reach or maintain a healthy weight.

To lose weight and keep it off: You will need a high amount of physical activity unless you also adjust your eating patterns and reduce the amount of calories you're eating and drinking. Getting to and staying at a healthy weight requires both regular physical activity and healthy eating.

See more information about:

Haven't Been Active in a While?

See these tips on getting started.

Reduce Your Health Risk

The good news [PDF-14.5MB] is that moderate physical activity, such as brisk walking, is generally safe for most people.

Cardiovascular Disease

Heart disease and stroke are two leading causes of death in the United States. Getting at least 150 minutes a week of moderate physical activity can put you at a lower risk for these diseases. You can reduce your risk even further with more physical activity. Regular physical activity can also lower your blood pressure and improve your cholesterol levels.

Type 2 Diabetes and Metabolic Syndrome

Regular physical activity can reduce your risk of developing type 2 diabetes and metabolic syndrome. Metabolic syndrome is some combination of too much fat around the waist, high blood pressure, low high-density lipoproteins (HDL) cholesterol, high triglycerides, or high blood sugar. People start to see benefits at levels from physical activity even without meeting the recommendations for 150 minutes a week of moderate physical activity. Additional amounts of physical activity seem to lower risk even more.

Infectious Diseases

Physical activity may help reduce the risk of serious outcomes from infectious diseases, including COVID-19, the flu, and pneumonia. For example:

People who do little or no physical activity are more likely to get very sick from COVID-19 than those who are physically active. A CDC systematic review [PDF-931KB] found that physical activity is associated with a decrease in COVID-19 hospitalizations and deaths, while inactivity increases that risk.

People who are more active may be less likely to die from flu or pneumonia. A CDC study found that adults who meet the aerobic and muscle-strengthening physical activity guidelines are about half as likely to die from flu and pneumonia as adults who meet neither guideline.

Some Cancers

Being physically active lowers your risk for developing several common cancers. Adults who participate in greater amounts of physical activity have reduced risks of developing cancers of the:

Bladder

Breast

Colon (proximal and distal)

Endometrium

Esophagus (adenocarcinoma)

Kidney

Lung

Stomach (cardia and non-cardia adenocarcinoma)

If you are a cancer survivor, getting regular physical activity not only helps give you a better quality of life, but also improves your physical fitness.

Strengthen Your Bones and Muscles

As you age, it's important to protect your bones, joints, and muscles - they support your body and help you move. Keeping bones, joints, and muscles healthy can help ensure that you're able to do your daily activities and be physically active.

Muscle-strengthening activities like lifting weights can help you increase or maintain your muscle mass and strength. This is important for older adults who experience reduced muscle mass and muscle strength with aging. Slowly increasing the amount of weight and number of repetitions you do as part of muscle strengthening activities will give you even more benefits, no matter your age.

Improve Your Ability to do Daily Activities and Prevent Falls

Everyday activities include climbing stairs, grocery shopping, or playing with your grandchildren. Being unable to do everyday activities is called a functional limitation. Physically active middle-aged or older adults have a lower risk of functional limitations than people who are inactive.

For older adults, doing a variety of physical activity improves physical function and decreases the risk of falls or injury from a fall. Include physical activities such as aerobic, muscle strengthening, and balance training. Multicomponent physical activity can be done at home or in a community setting as part of a structured program.

Hip fracture is a serious health condition that can result from a fall. Breaking a hip have life-changing negative effects, especially if you're an older adult. Physically active people have a lower risk of hip fracture than inactive people.

Increase Your Chances of Living Longer

See physical activity recommendations for different groups, including:

An estimated 110,000 deaths per year could be prevented if US adults ages 40 and older increased their moderate-to-vigorous physical activity by a small amount. Even 10 minutes more a day would make a difference.

Taking more steps a day also helps lower the risk of premature death from all causes. For adults younger than 60, the risk of premature death leveled off at about 8,000 to 10,000 steps per day. For adults 60 and older, the risk of premature death leveled off at about 6,000 to 8,000 steps per day.

Manage Chronic Health Conditions & Disabilities

Regular physical activity can help people manage existing chronic conditions and disabilities. For example, regular physical activity can:

Connect with Nutrition, Physical Activity, and Obesity

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Regular physical activity improves your brain health, helps with weight management, reduces disease, strengthens bones and muscles, and improves your ability to do everyday activities. Learn more.

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1.1.1 - Social and Emotional Benefits of Physical Activity / Exercise

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What happens inside your body when you exercise?

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How much physical activity do children need?

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How much physical activity do children need?

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Centers for Disease Control and Prevention

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The amount of physical activity children need depends on their age. Children ages 3 through 5 years need to be active throughout the day. Children and adolescents ages 6 through 17 need to be active for 60 minutes every day.

This may sound like a lot, but don't worry! Children may already be meeting the recommended physical activity levels. You can also see ways to encourage children to participate in activities that are age-appropriate, enjoyable, and offer variety.
Recommendations for Children Ages 3 Through 5 Years

Be physically active throughout the day for growth and development.

Adult caregivers should encourage children to be active when they play.

Recommendations for Children and Adolescents Ages 6 Through 17 Years

60 minutes or more of moderate-to-vigorous intensity physical activity each day.

Aerobic activity: Most of the daily 60 minutes should include activities like walking, running, or anything that makes their hearts beat faster. At least 3 days a week should include vigorous-intensity activities.

Muscle-strengthening: Includes activities like climbing or doing push-ups, at least 3 days per week.

Bone-strengthening: Includes activities such as jumping or running, at least 3 days per week.

Want examples of what counts? Check out the aerobic, muscle-strengthening, and bone-strengthening activity for children and adolescents.

Also, school-based physical activity can help children meet the recommended 60 minutes of daily physical activity.

On a scale of 0 to 10, where sitting is a 0 and the highest level of activity is a 10, moderate-intensity activity is a 5 or 6. When children do moderate-intensity activity, their heart beats faster, and they breathe much harder than when they are at rest or sitting. Vigorous-intensity activity is a level 7 or 8. When children do vigorous-intensity activity, their heart beats much faster than normal, and they breathe much harder than normal.

Another example is when children walk to school with friends each morning, they're probably doing moderate-intensity aerobic activity. But when children run, or chase others while playing tag during recess, they're probably doing vigorous-intensity activity.

Some physical activity is better-suited for children than adolescents. For example, younger children usually strengthen their muscles when they do gymnastics, play on a jungle gym, or climb trees. Children do not usually need formal muscle-strengthening programs, such as lifting weights. As children grow older and become adolescents, they may start structured weight lifting programs. They may do these types of programs along with their sports team practices.

How can you help children get the recommended amount of physical activity? Find out here.

Connect with Nutrition, Physical Activity, and Obesity

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How much physical activity do children need?

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The amount of physical activity children need depends on their age. See recommendations for ages 3 through 17.

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This article shows the benefits of physical activity for adults.

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Centers for Disease Control and Prevention

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Immediate Benefits

A single bout of moderate-to vigorous physical activity provides immediate benefits for your health.

1. Sleep
- Improves sleep quality

2. Less Anxiety
- Reduces feelings of anxiety

3. Blood Pressure
- Reduces blood pressure

Long-term Benefits

Regular physical activity provides important health benefits for chronic disease prevention.

1. Brain Health
- Reduces risks of developing dementia (including Alzheimer's disease) and reduces risk of depression

2. Heart Health
- Lowers risk of heart disease, stroke, and type 2 diabetes

3. Cancer Prevention
-Lowers risk of eight cancers: bladder, breast, colon, endometrium, esophagus, kidney, lung, and stomach

4. Healthy Weight
- Reduces risk of weight gain

5. Bone Strength
- Improves bone health

6. Balance and Coordination
- Reduces risks of falls

Emerging research suggests physical activity may also help boost immune function. 1,2

1. Nieman, D. C., & Wentz, L. M. (2019). The compelling link between physical activity and the body's defense system. Journal of sport and health science, 8(3), 201-217.

2. Jones, A. W., & Davison, G. (2019). Exercise, Immunity, and Illness. In Muscle and Exercise Physiology (pp. 317-344). Academic Press.

Source: Physical Activity Guidelines for Americans, 2nd edition (Chapter 2, page 32) pdf icon [PDF-15.2MB] external icon

Download: Health Benefits of Physical Activity for Adults pdf icon [PDF-3MB]

Connect with Nutrition, Physical Activity, and Obesity

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A single bout of moderate-to vigorous physical activity provides immediate benefits for your health. Sleep - Improves sleep quality Less Anxiety - Reduces feelings of anxiety Blood Pressure - Reduces blood pressure Regular physical activity provides important health benefits for chronic disease prevention.

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Benefits of physical activity in children 

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Benefits of physical activity in children 

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This article is about the benefits of physical activity in children.

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When most adults think about exercise, they imagine working out in the gym, running on a treadmill, or lifting weights.

But for kids, exercise means playing and being physically active. Kids exercise when they have gym class at school, during recess, at dance class or soccer practice, while riding bikes, or when playing tag.

The Many Benefits of Exercise

Everyone can benefit from regular exercise. Active kids will have:

Besides enjoying the health benefits of regular exercise, fit kids sleep better. Exercise improves school performance and makes kids less likely to develop depression. Kids who exercise regularly are also better able to handle physical and emotional challenges - from running to catch a bus to studying for a test.

The 3 Elements of Fitness

If you've ever watched kids on a playground, you've seen the 3 elements of fitness in action when they:

1. run away from the kid who's "it" (endurance)

2. cross the monkey bars (strength)

3. bend down to tie their shoes (flexibility)

Parents should encourage their kids to do a variety of activities so that they can work on all these.

Endurance develops when kids regularly get

aerobicactivity. During aerobic exercise, large muscles are moving, the heart beats faster, and a person breathes harder. Aerobic activity strengthens the heart and improves the body's ability to deliver oxygen to all its cells.

Aerobic exercise can be fun for both adults and kids. Aerobic activities include:

Improving strength doesn't have to mean lifting weights. Instead, kids can do push-ups, stomach crunches, pull-ups, and other exercises to help tone and strengthen muscles. They also improve their strength when they climb, do a handstand, or wrestle. Muscle strengthening and aerobic exercises like running, jumping, and hopping, also help build strong bones.

Stretching exercises help improve flexibility, allowing muscles and joints to bend and move easily through their full range of motion. Kids get chances every day to stretch when they reach for a toy, practice a split, or do a cartwheel. Dance, yoga, and martial arts, like karate, are examples of flexibility activities.

The Sedentary Problem

Kids and teens sit around a lot more than they used to. They spend hours every day in front of screens ( TVs, smartphones, computers, tablets, and gaming systems). Too much screen time and not enough physical activity can add up to unwanted weight gain.

One of the best ways to get kids to be more active is to limit the amount of time spent in sedentary activities, especially watching TV and using phones. The American Academy of Pediatrics (AAP) recommends that parents:

Put limits on the time spent using media, which includes TV, social media, and video games. Media should not take the place of getting enough sleep and being active.

Limit screen time to 1 hour a day or less for children 2 to 5 years old.

Discourage any screen time, except video-chatting, for kids younger than 18 months.

Choose high-quality programming and watch it with your kids to help them understand what they're seeing.

Keep TVs, computers, tablets, phones, and video games out of children's bedrooms.

Turn off screens during mealtimes.

How Much Exercise Is Enough?

Parents and caregivers can help ensure that kids are active every day. In its Physical Activity Guidelines for Americans, the U.S. Department of Health and Human Services recommends:

for school-age kids and teens (6 through 17 years): 60 minutes or more of moderate to vigorous physical activity daily. This should include muscle-strengthening and bone-strengthening activities at least 3 days a week.

for preschoolers: active playing throughout the day. A set amount of time hasn't been well defined, but a reasonable target could be 3 hours each day of light, moderate, and vigorous activities. These should include unstructured active free play and planned, adult-led physical activity.

Children under age 3 were not included in these guidelines, but exercise guidelines from Canada, Australia, and the United Kingdom recommend toddlers be active at least 3 hours throughout the day. This should include light activity, active play, and energetic movement, like hopping, running, and jumping.

Young children should not be inactive for long periods of time - no more than 1 hour unless they're sleeping. And school-age kids should not be inactive for periods longer than 2 hours.

Raising Fit Kids

To help keep kids fit and active:

Help your kids do a variety of fun age-appropriate activities.

Set a regular schedule for physical activity.

Make being active a part of daily life, like taking the stairs instead of the elevator.

Embrace a healthier lifestyle yourself, so you'll be a good role model for your family.

Be active together as a family.

Keep it fun, so your kids will come back for more.

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Besides enjoying the health benefits of regular exercise, kids who are physically fit are better able to handle physical and emotional challenges.

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How much physical activity do adults need?

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How much physical activity do adults need?

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Centers for Disease Control and Prevention

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Physical activity is anything that gets your body moving. Each week adults need 150 minutes of moderate-intensity physical activity and 2 days of muscle strengthening activity, according to the current Physical Activity Guidelines for Americans.

We know 150 minutes of physical activity each week sounds like a lot, but you don't have to do it all at once. It could be 30 minutes a day, 5 days a week. You can spread your activity out during the week and break it up into smaller chunks of time. See tips for getting started.

Physical activity supports physical and mental health. The benefits of physical activity make it one of the most important things you can do for your health.

Move More and Sit Less

Adults should move more and sit less throughout the day. Some physical activity is better than none. Adults who sit less and do any amount of moderate-to-vigorous intensity physical activity gain some health benefits.

Recommended Levels For Health Benefits

Adults should follow the exercises as specified in the following options. Check out this print-friendly age chart for a quick snapshot of the recommended amount of weekly activity for adults.

Moderate-intensity aerobic activity

(such as brisk walking) for 150 minutes every week (for example, 30 minutes a day, 5 days a week)
AND

Muscle-strengthening activities

on 2 or more days a week that work all major muscle groups (legs, hips, back, abdomen, chest, shoulders, and arms).

Vigorous-intensity aerobic activity

(such as jogging or running) for 75 minutes (1 hour and 15 minutes) every week
AND

Muscle-strengthening activities

on 2 or more days a week that work all major muscle groups (legs, hips, back, abdomen, chest, shoulders, and arms).

An equivalent mix of moderate- and vigorous-intensity aerobic activity

on 2 or more days a week
AND

Muscle-strengthening activities

on 2 or more days a week that work all major muscle groups (legs, hips, back, abdomen, chest, shoulders, and arms).

For Even Greater Health Benefits

If you go beyond 150 minutes a week of moderate-intensity activity, or 75 minutes a week of vigorous-intensity activity or an equivalent combination, you'll gain even more health benefits.

Aerobic activity or "cardio" gets you breathing harder and your heart beating faster. From pushing a lawn mower, to taking a dance class, to walking or biking to the store - these types of activities and more count. As long as you're doing aerobic physical activities at a moderate- or vigorous-intensity, they count toward meeting the aerobic guideline.

Intensity is how hard your body is working during a physical activity.

Moderate-intensity aerobic physical activity means you're working hard enough to raise your heart rate and break a sweat. One way to tell if it's a moderate-intensity aerobic activity is that you'll be able to talk, but not sing the words to your favorite song. Here are some examples of activities that require moderate effort:

Walking fast

Doing water aerobics

Riding a bike on level ground or with few hills

Playing doubles tennis

Pushing a lawn mower

Vigorous-intensity aerobic activity means you're breathing hard and fast, and your heart rate has gone up quite a bit. You may use the Talk Test to gauge the intensity of your aerobic physical activity. If you're being active at a vigorous level, you won't be able to say more than a few words without pausing for a breath. Here are some examples of activities that require vigorous effort:

Jogging or running

Swimming laps

Riding a bike fast or on hills

Playing singles tennis

Playing basketball

If you are doing moderate-intensity physical activity, such as walking or hiking, you can talk, but not sing during the activity.

Build Up Over Time
If you want to do more vigorous-level activities, slowly replace those that take moderate effort like brisk walking with more vigorous activities like jogging. Learn more about getting started with physical activity to improve health.

You can do moderate- or vigorous-intensity aerobic activity, or a mix of the two, each week. A rule of thumb is that 1 minute of vigorous-intensity activity is about the same as 2 minutes of moderate-intensity activity.

Some people like to do vigorous activity because it gives them about the same health benefits in half the time. If you haven't been very active lately, however, increase your physical activity level slowly. If you have a history of a chronic disease, consider telling your doctor you are planning to increase your physical activity, including moving to more vigorous activity. You need to feel comfortable doing moderate-intensity activities before you move on to more vigorous ones. Learn more about additional types of physical activity that are right for you.

Want more tips on how you can add a variety of activities to your life? Check this out.

Physical activities to strengthen your muscles are recommended at least 2 days a week. Activities should work all the major muscle groups of your body-legs, hips, back, chest, abdomen, shoulders, and arms. Muscle-strengthening activities should be done in addition to your aerobic activity.

To gain health benefits, you need to do muscle-strengthening activities to the point where it's hard for you to do another repetition without help. A repetition is one complete movement of an activity, like lifting a weight or doing a sit-up. Try to do 8-12 repetitions per activity, which counts as 1 set. Try to do at least 1 set of muscle-strengthening activities. To gain even more benefits, do 2 or 3 sets.

You can do activities that strengthen your muscles on the same or different days that you do aerobic activity-whatever works best for you.
There are many ways you can strengthen your muscles, whether it's at home or the gym. You may want to try the following:

Lifting weights

Working with resistance bands

Doing exercises that use your body weight for resistance (e.g., push-ups, sit-ups)

Heavy gardening (e.g., digging, shoveling)

Some forms of yoga

Connect with Nutrition, Physical Activity, and Obesity

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Suggestions for how adults can get the recommended amounts of aerobic and muscle-strengthening physical activity each week.