How to Improve Cardiovascular Fitness

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Quick, easy, and effective tips to help you reach your cardio goals & build endurance
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Cardiovascular fitness refers to your body’s ability to take in and use oxygen. Any type of activity that requires sustained exercise like walking, jogging, running, biking, and swimming is a cardio activity. When you improve your cardiovascular fitness, not only can you do these types of activities for longer periods of time and more easily, but you lower your risks of certain types of health problems like heart disease, high blood pressure, diabetes, and more. Here are 10 different ways you can boost your cardio fitness.

Things You Should Know

  • To improve your cardio fitness and endurance, do aerobic exercises such as running, cycling, swimming, or interval training on a regular basis.
  • Aim to exercise for at least 30 minutes at a time, 3 days per week. Work your way up to exercising 5 days per week for the best results.
  • Benefits of cardio exercise include lower blood pressure, reduced risk of diabetes and heart disease, maintaining a healthy weight, and boosting your mood.
1

Take the stairs whenever possible

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    Instead of taking the elevator at work, for example, walk up the stairs. Or, go up and down the stairs in your home a few times while you’re waiting for water to boil in the kitchen. [1]
    • Taking the stairs doesn’t have to count as an official cardio workout. Just think of it as a way to keep building your fitness whenever you have a chance. [2]
    • Stair machines at the gym are also a good way to improve your cardio fitness, if you do want to make stair climbing into your official daily workout.
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2

Build up to 30 minutes of cardio 5 times a week.

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    Start with this as your goal, but don’t force it if you’re just beginning your workout journey . If it’s too hard at first to do this much cardio activity, ease into it by doing 30 minutes of aerobic activity 3 days a week instead. [3]
    • Adding any amount of exercise to your routine is certainly beneficial for your health, especially if you weren’t exercising very often before. Any amount of exercise is better than none at all!
    • However, to noticeably improve your cardio fitness and endurance you’ll likely need to get at least 150 minutes of moderate aerobic exercise or 75 minutes of vigorous aerobic exercise per week. [4]
    • For example, if you do 30 minutes of cardio activity only once a week, you might not see as noticeable results as you would see if you did a 30-minute workout on each weekday.
3

Pick cardio activities you enjoy.

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    Select activities that match your lifestyle, personal preferences, and current fitness level . If you have any previous injuries, choose activities that you can do without hurting yourself.
    • Examples of cardio activities are brisk walking , jogging, running , swimming, cycling, aerobics, playing tennis , hiking , stair climbing, rowing, and jumping rope. [5]
    • For example, if you haven’t worked out in years, it’s probably easier to start your new cardio fitness routine with something like brisk walking than it is by attempting to hike up a steep mountain right away.
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4

Do a variety of cardio activities.

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    Incorporate at least 2-3 different cardio activities that use different muscles and movements into your new fitness routine to avoid pain. Choose 1 activity that mainly uses your legs and 1 activity that uses more of your upper body, for example. [6]
    • For instance, you could choose to run on some days and swim on others.
    • If you have arthritis, aquatic activities like aquatic aerobics and swimming are good choices because they don’t stress your joints. [7]
    EXPERT TIP

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    Do you feel bored with your cardio routine at the gym? Mix up your cardio exercises. To make your cardio routine more fun, spend 10 minutes each on the treadmill, bike, rowing machine, and elliptical. It'll be more fun than just doing 40 minutes on the same machine.

5

Switch between high- and low-impact activities.

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    Do a high-impact activity like running one day, then do a low-impact cardio exercise like swimming the next time you work out. That way, you’re giving your knees, feet, and hips a break from pounding on the pavement. [8]
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6

Do high-intensity interval training 2-3 times a week.

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    workouts quickly boost your cardio fitness. For example, run, bike, row, or swim as fast as you can for 30 seconds, then do the activity at an easy pace for 30 seconds. Repeat the exercise in 30-second intervals of easy and hard paces for the duration of your workout. [9]
    • When 30-second intervals become too easy, step up the intervals to 60 seconds.
    • You can also do distance intervals instead of time intervals. For instance, run as fast as you can for 1 lap around a track, then jog 1 lap slowly at an easy pace and repeat.
7

Start your workouts with a gentle warm-up.

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    Do your chosen activity at a low intensity for about 5-10 minutes or longer before you start really pushing yourself. Gradually increase the intensity until you’re working out at your target intensity. [10]
    • For example, if you’re going on a run, start out at a slow jogging pace for 5 minutes, then gradually speed up for the next 5 minutes until you’re fully running.
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8

Work out hard enough to challenge yourself.

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    Work out hard enough that you feel your heart rate rise and the activity is difficult to do. [11] To make sure you’re working out in the ideal aerobic zone, take your pulse manually , wear a device that monitors your heart rate , or use a workout machine that tells you your heart rate, like an elliptical or treadmill.
    • Set a target heart rate with your healthcare provider or a qualified trainer. Your target heart rate will be the number of heartbeats per minute you’re trying to reach while performing your cardio exercises.
    • Over time, you’ll start to notice that you need to do more intense physical activity to reach your target heart rate.
    • For example, at first you might reach your target heart rate by going on short walks, but after a while, you might need to take a longer jog to reach the same heart rate. This means that your cardiovascular fitness is improving! [12]
9

Increase the difficulty of workouts weekly.

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    Over time, your heart rate won’t rise as easily when you exercise, and you’ll need to do more intense activity to feel the same burn. [13] This is how you know you’re improving your cardio fitness. When your typical workouts start to feel much easier, challenge yourself with more intense exercises or longer workout sessions.
    • Try to gradually increase the amount of time or distance you run for by about 10-20% a week, for instance.
    • Or, make your exercise harder in some way, such as briskly walking up a hill instead of across flat ground. [14]
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10

Talk to a doctor if you have health problems.

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    This is especially important if you have heart problems or high blood pressure. Let the doctor know that you want to begin a new cardio fitness regime. Ask them if they have any recommendations or warnings for you based on your medical history. [15]
    • This is also important if you have any previous muscle, bone, or joint injuries. The doctor may recommend that you avoid certain types of activities, such as high-impact activities, for example.

Ways to Boost Your Fitness and Sample HIIT Workout

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  • Question
    How long does it take for cardiovascular fitness to improve?
    Pete Cerqua
    Certified Personal Trainer & Nutritionist
    Pete Cerqua is a Certified Personal Trainer and Nutritionist. Pete is also a five-time best-selling author of books including "The 90-Second Fitness Solution" and "High Intensity Fitness Revolution for Women/Men" published by Simon and Schuster and Skyhorse Publishing. Pete has over 20 years of personal training and nutrition coaching experience and operates the 90-Second Fitness flagship studio in New York City.
    Pete Cerqua
    Certified Personal Trainer & Nutritionist
    Expert Answer
    It's all about staying consistent. Just get in the habit of getting some cardio in every other day or so, and you'll improve over time. Even if it's just 10-15 minutes at a time, you're going to get more fit.
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  • Question
    What is the best exercise to improve cardio?
    Pete Cerqua
    Certified Personal Trainer & Nutritionist
    Pete Cerqua is a Certified Personal Trainer and Nutritionist. Pete is also a five-time best-selling author of books including "The 90-Second Fitness Solution" and "High Intensity Fitness Revolution for Women/Men" published by Simon and Schuster and Skyhorse Publishing. Pete has over 20 years of personal training and nutrition coaching experience and operates the 90-Second Fitness flagship studio in New York City.
    Pete Cerqua
    Certified Personal Trainer & Nutritionist
    Expert Answer
    Just walk more often. Walking is actually really good for you. Even if you can just move around more often around the house, you'll improve your cardio.
    Thanks! We're glad this was helpful.
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  • Question
    How can I get motivated to do cardio?
    Pete Cerqua
    Certified Personal Trainer & Nutritionist
    Pete Cerqua is a Certified Personal Trainer and Nutritionist. Pete is also a five-time best-selling author of books including "The 90-Second Fitness Solution" and "High Intensity Fitness Revolution for Women/Men" published by Simon and Schuster and Skyhorse Publishing. Pete has over 20 years of personal training and nutrition coaching experience and operates the 90-Second Fitness flagship studio in New York City.
    Pete Cerqua
    Certified Personal Trainer & Nutritionist
    Expert Answer
    Cardio should be fun! If you aren't having fun, you're doing it wrong. There are so many options when it comes to cardio: running, jumping rope, swimming, biking, etc. There's got to be at least one of those activities out there that appeals to you.
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      References

      1. ↑ https://www.heart.org/en/healthy-living/fitness/fitness-basics/endurance-exercise-aerobic
      2. ↑ https://www.health.harvard.edu/staying-healthy/master-the-stairs
      3. ↑ https://www.hopkinsmedicine.org/health/wellness-and-prevention/3-kinds-of-exercise-that-boost-heart-health
      4. ↑ https://www.mayoclinic.org/healthy-lifestyle/fitness/expert-answers/exercise/faq-20057916#
      5. ↑ https://www.mayoclinic.org/healthy-lifestyle/fitness/expert-answers/exercise/faq-20057916#
      6. ↑ https://www.ucdenver.edu/docs/librariesprovider65/clinical-services/sports-medicine/training-for-cardiovascular-fitness.pdf?sfvrsn=a0345bb9_2
      7. ↑ https://www.mayoclinic.org/healthy-lifestyle/fitness/in-depth/aerobic-exercise/art-20045541
      8. ↑ https://www.ucdenver.edu/docs/librariesprovider65/clinical-services/sports-medicine/training-for-cardiovascular-fitness.pdf?sfvrsn=a0345bb9_2
      9. ↑ https://www.military.com/military-fitness/general-fitness/how-do-you-get-in-better-cardio-shape
      1. ↑ https://www.health.harvard.edu/exercise-and-fitness/interval-training-for-a-stronger-heart
      2. ↑ https://www.ucdenver.edu/docs/librariesprovider65/clinical-services/sports-medicine/training-for-cardiovascular-fitness.pdf?sfvrsn=a0345bb9_2
      3. ↑ https://www.hopkinsmedicine.org/health/wellness-and-prevention/exercise-and-the-heart
      4. ↑ https://www.hopkinsmedicine.org/health/wellness-and-prevention/exercise-and-the-heart
      5. ↑ https://www.heart.org/en/healthy-living/fitness/fitness-basics/endurance-exercise-aerobic
      6. ↑ https://www.health.harvard.edu/exercise-and-fitness/interval-training-for-a-stronger-heart

      About This Article

      Article Summary X

      If you want to improve your cardiovascular fitness, start doing an aerobic exercise you enjoy such as walking, jogging, cycling, swimming, or aerobics. Try to do this activity at least 10 to 15 minutes, 3 times a week. Gradually work your way up to 30 minutes a day, 3 to 5 times a week by adding 1 or 2 minutes to your session every few weeks. Additionally, you can use a heart rate monitor or fitness app to track your progress and help you stay motivated. To learn how to use interval training to improve your cardiovascular fitness, read more from our Trainer co-author.

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