Why Physical Activity Is Important: Benefits of Regular Exercise and How to Get Started

Physical activity is one of the simplest ways to support overall health. It does not necessarily mean spending hours in a gym. Walking, cycling, dancing, household activities, sports, and planned exercise can all contribute to an active lifestyle.

Regular physical activity can support heart health, mental well-being, sleep, muscle strength, bone health, and healthy weight management. The CDC notes that even a single session of moderate-to-vigorous activity can provide immediate health benefits, while regular activity provides important long-term benefits.

The good news is that some activity is better than none. If you have been inactive, starting with small amounts and gradually increasing activity can be a practical approach.

What Is Physical Activity?

Physical activity means moving your body and using your muscles.

It can include:

Walking
Cycling
Swimming
Dancing
Jogging
Playing sports
Climbing stairs
Gardening
Household chores
Active transportation
Strength exercises
Recreational activities

Physical activity doesn't have to happen in a gym. WHO considers movement during work, transportation, household tasks, recreation, sports, and planned exercise as physical activity.

1. Supports Heart Health

Regular physical activity can help support cardiovascular health.

Activities such as brisk walking, cycling, swimming, and other aerobic exercises make the heart work harder and can contribute to better cardiovascular fitness.

According to the CDC, regular physical activity can lower the risk of heart disease and stroke.

Simple way to start

Try taking a brisk walk instead of sitting continuously during part of your day.

2. May Support Mental Well-Being

Physical activity isn't only about physical fitness.

Regular activity can also support mental health. The CDC reports that physical activity can reduce feelings of anxiety and can help reduce the risk of depression.

You don't necessarily need an intense workout.

A walk outdoors, cycling, dancing, or another activity you enjoy may be a simple way to add movement to your routine.

3. Can Improve Sleep

Physical activity can also support better sleep.

The CDC lists improved sleep quality as an immediate benefit associated with moderate- to vigorous-intensity physical activity.

A consistent activity routine combined with good sleep habits may help support overall well-being.

4. Helps Build Muscle Strength

Aerobic exercise is only one part of physical fitness.

Muscle-strengthening activities can help maintain and improve muscle fitness.

Examples include:

Bodyweight exercises
Resistance bands
Weight training
Some yoga movements
Exercises using household weights

CDC guidelines recommend muscle-strengthening activities involving all major muscle groups on at least 2 days per week for adults.

5. Supports Bone Health

Regular physical activity can contribute to stronger bones and overall musculoskeletal health.

Weight-bearing activities such as walking and certain strengthening exercises can be incorporated into an active lifestyle.

However, people with bone conditions or other medical concerns should choose activities appropriate for their individual situation.

6. Helps With Healthy Weight Management

Physical activity uses energy and can support healthy weight management when combined with an appropriate eating pattern.

However, exercise should not be viewed only as a way to lose weight.

Being physically active has many benefits beyond body weight, including cardiovascular, mental, muscular, and bone health.

7. Supports Brain Health

Regular physical activity can also benefit brain health.

The CDC reports that regular activity can reduce the risk of developing dementia and may support cognitive health.

This is one reason physical activity is valuable across different stages of adulthood.

How Much Physical Activity Do Adults Need?

For adults aged 18–64, WHO recommends:

Moderate-intensity activity

150–300 minutes per week

Vigorous-intensity activity

75–150 minutes per week

A combination

An equivalent combination of moderate- and vigorous-intensity activity.

Adults should also perform muscle-strengthening activities involving the major muscle groups on 2 or more days per week.

What Does 150 Minutes Look Like?

The number may sound large, but it can be divided across the week.

For example:

Monday: 30-minute brisk walk
Tuesday: 30-minute brisk walk
Wednesday: Strength training
Thursday: 30-minute brisk walk
Friday: 30-minute brisk walk
Saturday: 30-minute brisk walk
Sunday: Rest or light activity

This gives approximately 150 minutes of moderate activity.

The CDC specifically gives 30 minutes a day for 5 days as one example of reaching 150 minutes.

8 Simple Ways to Become More Active

1. Walk More

Take short walks during your day.

You could walk:

After meals
During breaks
While speaking on the phone
To nearby places when practical

2. Use Stairs

When appropriate and safe, choose stairs instead of an elevator.

3. Reduce Long Sitting Periods

Break up long periods of sitting with short movement breaks.

CDC emphasizes “move more, sit less.”

4. Try Home Exercises

You don't necessarily need expensive equipment.

Depending on your fitness level, simple activities can include:

Squats
Wall push-ups
Step-ups
Resistance-band exercises
Stretching

5. Make Exercise Enjoyable

Choose activities you actually enjoy.

Try:

Dancing
Cycling
Swimming
Walking with friends
Sports
Gardening

6. Start Slowly

If you haven't exercised recently, don't try to do everything immediately.

Start with a manageable amount and gradually increase frequency, duration, or intensity.

WHO specifically recommends inactive adults start with small amounts and gradually increase activity.

7. Set Realistic Goals

Instead of saying:

“I will exercise for two hours every day.”

Try:

“I will walk for 20–30 minutes on most days.”

Small, realistic goals may be easier to maintain.

8. Track Your Progress

You can keep a simple record of:

Walking time
Exercise days
Strength sessions
Steps
Activities you enjoy

The purpose is to understand your routine, not to become obsessed with numbers.

Moderate vs Vigorous Activity

Moderate-intensity activities

Examples may include:

Brisk walking
Cycling at a comfortable pace
Some forms of recreational activity
Water aerobics

Vigorous-intensity activities

Examples may include:

Running
Fast cycling
Certain sports
Vigorous aerobic exercise

The appropriate intensity depends on the individual and their fitness level.

Physical Activity for Older Adults

Older adults can benefit from regular physical activity too.

WHO recommends similar aerobic activity targets for adults aged 65 and older, with additional emphasis on activities that improve balance and prevent falls for older adults with poor mobility.

Examples can include appropriate:

Walking
Balance exercises
Strength exercises
Gentle movement
Flexibility activities

Older adults with health conditions should choose activities according to their abilities and professional guidance when needed.

What If You Have a Health Condition?

People with chronic conditions or disabilities may still benefit from physical activity, but the appropriate type and amount can vary.

The CDC recommends that adults with chronic health conditions or disabilities who are able should aim for physical activity according to their abilities and consult a healthcare professional or physical activity specialist about appropriate activities when needed.

If you have been inactive and want to start vigorous exercise, particularly if you have a chronic health condition, discuss an appropriate plan with a healthcare professional.

Common Exercise Mistakes

❌ Starting too intensely

Doing too much too quickly can make it harder to maintain a routine.

❌ Thinking exercise only means going to the gym

Walking, cycling, household activities, sports, and other movement also count.

❌ Exercising only for weight loss

Physical activity has many benefits beyond weight.

❌ Ignoring strength training

Aerobic activity and muscle-strengthening activities can complement each other.

❌ Giving up after missing a day

One missed workout doesn't mean the routine has failed.

Simply return to your normal activity plan when you can.

A Simple 7-Day Beginner Activity Plan

Day	Activity
Monday	20–30 min brisk walking
Tuesday	20 min walking + light strength
Wednesday	30 min walking
Thursday	Light stretching + walking
Friday	20–30 min brisk walking
Saturday	Walking, cycling or another enjoyable activity
Sunday	Rest or gentle movement

Important: This is a general example, not an individualized exercise prescription.

Frequently Asked Questions

Is walking enough exercise?

Walking is a useful form of physical activity. Brisk walking can count as moderate-intensity aerobic activity for many people.

Do I need a gym to stay fit?

No. Many physical activities can be performed without a gym, including walking, cycling, dancing, bodyweight exercises, and some home-based strength exercises.

How many minutes should I exercise each week?

For adults, WHO recommends 150–300 minutes of moderate-intensity aerobic activity per week, or the vigorous-intensity equivalent, plus muscle-strengthening activities on at least 2 days per week.

Is 10 minutes of exercise useful?

Yes. The key message from current guidance is that some physical activity is better than none, and activity can be accumulated throughout the week.

Can exercise improve sleep?

Regular physical activity can support sleep quality, and the CDC lists improved sleep quality among the benefits of physical activity.

Should beginners exercise every day?

Not necessarily. A beginner can start with manageable activity and gradually build a routine. The appropriate schedule depends on fitness, health, age, and the type of activity.

Final Takeaway

Physical activity is an important part of a healthy lifestyle.

You don't need to become an athlete or spend hours in a gym. Walking, cycling, household activities, sports, dancing, and strength exercises can all contribute to a more active lifestyle.

For adults, a useful general target is 150–300 minutes of moderate aerobic activity each week plus muscle-strengthening activity on at least 2 days.

If you're currently inactive, start small, choose activities you enjoy, and gradually increase your activity.

The best exercise routine is one that is appropriate for you and that you can maintain consistently.

⚠️ Medical Disclaimer

This article is for general educational purposes only and does not provide personalized medical or exercise advice. People with chronic health conditions, disabilities, injuries, or other medical concerns should discuss appropriate physical activity with a qualified healthcare professional before making major changes to their exercise routine.

Why Physical Activity Is Important: Benefits & Simple Ways to Get Started