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Breathing Exercises to Increase Lung Capacity

Medically reviewed by Thomas Johnson, PA-C — By Ana Gotter — Updated on September 28, 2022Lung capacity shows how much air your lungs can hold. Performing breathing exercises can improve your lung capacity over time. Your lung capacity is the total amount of air that your lungs can hold. Over time, our lung capacity and lung function typically decrease slowly as we age after our mid-20s. Some conditions such as asthma can significantly speed up the loss of lung capacity and functioning. This leads to difficulty in breathing and shortness of breath. There are exercises that can help maintain lung capacity, making it easier to keep your lungs healthy and get your body the oxygen it needs.

1 Diaphragmatic breathing

Diaphragmatic breathing, or “belly breathing,” engages the diaphragm, which is supposed to do most of the heavy lifting when it comes to breathing. This technique is particularly helpful in people with chronic obstructive pulmonary disease (COPD), because the diaphragm isn’t as effective in these individuals and could be strengthened. The technique is best used when feeling rested. If you have COPD, ask a doctor or respiratory therapist to show you how to use this exercise for the best results. Keep in mind that while breathing exercises may improve COPD symptoms over time, there’s no scientific evidence they can reverse the condition or diseased lungs. According to the COPD Foundation, you should do the following to practice diaphragmatic breathing:Relax your shoulders and sit back or lie down.Place one hand on your belly and one on your chest.Inhale through your nose for 2 seconds, feeling the air move into your abdomen and feeling your stomach move out. Your stomach should move more than your chest does.Breathe out for 2 seconds through pursed lips while pressing on your abdomen.Repeat.

2 Pursed-lips breathing

Pursed-lips breathing can slow down your breathing, reducing the work of breathing by keeping your airways open longer. This makes it easier for the lungs to function and improves oxygen and carbon dioxide exchange. This breathing exercise is often easier for beginners than diaphragmatic breathing, and you can do it at home even if no one has shown you how. It can be practiced at any time. To practice the pursed-lips breathing technique:Inhale slowly through your nostrils.Purse your lips, as if pouting or about to blow on something.Breathe out as slowly as possible through pursed lips. This should take at least twice as long as it did to breathe in.Repeat.

What causes low lung capacity

There are many things that can lead to a decrease in lung capacity over time. The main culprit is usually aging, as our bodies naturally slow down with time. Other potential causes include:chronic lung diseases such as COPD, emphysema, and asthmahaving obesitynot being physically activechest wall deformitieshaving a high waist-to-hip ratiovitamin D deficiencypregnancy

What is normal lung capacity by age

Lung capacity and function can vary widely from person to person and even change throughout our lifetimes. The maximum amount of air the lungs can hold is around 6 liters. With age, the muscles used for breathing can weaken and your lungs lose some of their elasticity. This decreases how much air your lungs can hold and how efficiently they exchange oxygen and carbon dioxide. Doctors measure lung capacity using a test called spirometry. The results of the test can help diagnose conditions such as COPD and asthma and show how well treatments are working. Spirometry tests can show:forced expiratory volume (FEV1): the amount of air you can exhale in 1 secondforced vital capacity (FVC): the total amount of air you can exhale after taking a deep breath Doctors calculate the results of a spirometry test as a percentage of the “normal” value for someone of your height, age, sex, and race. For example, if your FEV1 is 80%, this means that you can exhale 80% of the amount of air that a person of your height, age, sex, and race with healthy lungs could exhale in 1 second. Normal values for both FEV1 and FVC are above 80% of the predicted value. Values lower than 80% may be a sign of lung disease.

Tips for keeping your lungs healthy

Prevention is the best medicine. Working to keep your lungs healthy can be an effective way to avoid problems down the road. Here are some tips for keeping your lungs healthy:If you smoke, consider quitting, and avoid secondhand smoke or environmental irritants.Eat foods rich in antioxidants and high in fiber.Get vaccinations such as the flu vaccine and the pneumonia vaccine. This can help prevent lung infections and promote lung health.Exercise more frequently, which can help your lungs function properly.Improve indoor air quality. Use tools such as indoor air filters and lower pollutants such as artificial fragrances, mold, and dust.

Frequently asked questions

Below are some frequently asked questions about lung capacity.

Can you increase lung capacity with breathing exercises

Yes, diaphragmatic breathing and other types of breathing exercises can potentially help maintain or increase lung capacity in those without underlying lung conditions. Increasing physical activity can also help maintain lung function.

What is the best breathing exercise to increase lung capacity

Diaphragmatic breathing, or “belly breathing,” is an effective breathing exercise that focuses on your diaphragm, a muscle that helps expand your lungs and aids in efficient oxygen exchange.

How long does it take to increase lung capacity

It usually takes several weeks of regular breathing exercises or increased physical activity to see an improvement in symptoms. However, some people may see results sooner.

What are the symptoms of low lung capacity

Symptoms of low lung capacity can include shortness of breath, difficulty breathing, and fatigue. If you’re experiencing these symptoms, it’s important to see a doctor to find out if they’re caused by an underlying condition.

Takeaway

Several factors can decrease lung capacity, including age, obesity, certain health conditions, and a sedentary lifestyle. However, there are many things you can do to keep your lungs healthy. Regular exercise, eating a healthy diet, and avoiding tobacco smoke can all help keep your lungs functioning at their best. If you’re experiencing symptoms of low lung capacity, such as shortness of breath, it’s important to see a doctor to find out if an underlying condition is causing them. Read this article in Spanish. Last medically reviewed on September 28, 2022

How we vetted this article

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lung.org/lung-health-and-diseases/how-lungs-work/lung-capacity-and-aging.htmlNguyen JD, et al. (2021). Pursed-lip breathing.
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pubmed.ncbi.nlm.nih.gov/21297070Our experts continually monitor the health and wellness space, and we update our articles when new information becomes available. Current Version Sep 29, 2022 By Ana Gotter Edited By Lindsay Modglin Medically Reviewed By Thomas Johnson, PA-C Copy Edited By Sarah Mills Dec 3, 2018 By Ana Gotter Edited By Stella Miranda Medically Reviewed By Gerhard Whitworth, RN Share this articleMedically reviewed by Thomas Johnson, PA-C — By Ana Gotter — Updated on September 28, 2022

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