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Tips to Strengthen Lungs & Increase the Oxygen Levels at Home

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You already know exercise is good for your health. Doing regular exercise makes your lungs, muscles, and heart stronger. As physical fitness improves, the body becomes more efficient at getting oxygen into the bloodstream and transporting it all over the body. It will also give you the best chance of coping with a COVID-19 infection.

“How to strengthen lungs?” “How to improve lung health?” “Breathing exercises to strengthen lungs?” are some of the frequently asked questions to doctors. Let’s discuss these topics.

Before increasing the oxygen level in the lungs, one must do exercises to clear the lungs. Doctors recommend an active cycle of breathing technique (ACBT), which is one of the best exercises to clear out the productive cough from your lungs.

  1. Gentle breathing
  • Rest your shoulders and body.
  • Gently breathe in and out in a relaxed position.
  1. Take deep breaths
  • Slowly, take a deep breath in.
  • Gently breathe out, and avoid putting pressure.
  • Repeat three-four times.
  1. Forced expiration
  • Take a medium-sized breath in.
  • Breathe out quickly and forcefully.
  • While breathing out, open your mouth and involve your stomach and chest muscles.
  • Repeat the process twice and end the exercise with an exhaling huff.

Continue doing these simple ACBT exercises daily until your chest is cleared out. If you feel your cough is too much then you can do these exercises twice a day. Doctors recommend that you should clear out as much phlegm as you can without getting exhausted. So, do these exercises for at least 10 minutes in one go, but not more than 30 minutes.

Exercises for Improving Oxygen Levels & Strengthening Lungs

1. ACBT Exercises

While doing ACBT exercises, doctors recommend using a few body positions that will help in the clearing out of the chest.

But if you are not feeling well, or you have acid reflux, blood in your phlegm, nausea, recent injuries to the chest, spine or rib, or if you’re feeling breathless, do not try these positions.  Also, avoid these positions immediately before or after having your meal.

  • To drain mucus from the upper lobe: Sit in an upright position leaning against a pillow on the headboard.
  • To drain mucus from the middle lobes: Lie down one side using one or two pillows placed under the hips.
  • To drain mucus from the lower lobes: Lie down another side with two or three pillows placed under the hips

2. Proning Posture

Proning is the process in which a patient is lying from his/her back onto the abdomen (stomach). The process is beneficial in COVID-19 patients with compromised breathing comfort.

Proning is a medically accepted body posture to improve breathing comfort and oxygenation. 

Importance of proning position

It improves ventilation, keeps alveolar consonants open and breathing easy. Those patients who feel difficulty in breathing and their SpO2 percentage decreases below 94 are suggested to do the proning.

Constant monitoring of SpO2 level, along with other signs like blood pressure, temperature, and blood sugar, is important during home isolation. Regular proning and having good ventilation could save many lives from COVID-19.

How to do Proning

  • Take one pillow below the neck.
  • Use one or two pillows below the chest through the upper thighs.
  • Two pillows below the shins.
  • Regular changes in lying position.
  • Spend at least 30 minutes in each position.

illustration showing proning exercises for lungs to increase body oxygen levels naturally at home


  • Avoid this exercise for an hour after meals.
  • Maintain proning posture according to your body’s comfort.
  • Keep a track of any injuries, especially, around bony prominences.
  • Avoid proning posture, if you are pregnant.
  • Avoid proning posture, if you have any major cardiac conditions.
  • Avoid proning posture, if you have unstable femur, spine, or pelvic fractures.

Other than these exercises, making a few lifestyle changes will also help strengthen the lungs.

  • Quit smoking
  • Avoid eating an excessive amount of salty, surgery, and oily food
  • Do laughing yoga
  • Try other normal exercises like morning walks
  • Meditation 

How to Improve Lung Health to Prepare Yourself for a Possible COVID-19 Infection

1. Changes in Diet

Antioxidants protect our body cells against free radicals, which play a vital role in defending against heart disease, cancer and other diseases.

Antioxidants, like vitamins C, E and carotenoids, help in protecting cells from free radicals. Other naturally occurring antioxidants include tannins, phenols, flavonoids, and lignans. Also, plant-based foods are the best sources of antioxidants.

These include vegetables, fruits, nuts, seeds, herbs, whole grains, and spices. If you are looking for tips on how to strengthen the immune system, check the article now.

2. Exercise 

Doing exercise regularly, helps oxygen to reach each body organ and function properly. If you do aerobic activity, such as bicycling, walking, or swimming, it helps you live healthier and longer. Aerobic activities involve legs, arms, and hips muscles.

Hence, the body responds quickly and increases breathing. This will increase the amount of oxygen in the blood as the heart will beat faster, blood flow to muscles and back to the lungs increases, small blood vessels (capillaries) will open up to deliver more oxygen, and the body will even release endorphins (natural painkillers).

3. Hydration

Keeping yourself hydrated makes a great impact on your ability to breathe well. Research has shown that dehydration affects all of the systems in the body including the respiratory system.

Doctors suggest that taking enough water helps to thin the mucus lining the airways and lungs. The recommended adequate amount of water intake for men is about 3.7 litres a day and for women is about 2.7 litres a day.

When to see a doctor

Shortness of breath is one of the common symptoms caused by the COVID-19 infection. If your oxygen level in the blood on a pulse oximeter is below 95, consult a doctor. Also, try not to follow any home remedies to increase oxygen levels. Get yourself checked and get treated.

Final thoughts 

For more information or personalised guidance, you can book an appointment with Dr Kuldeep Kumar Grover, a well-renowned pulmonologist, sleep medicine and critical care specialist at the CK Birla Hospital or call us at +91 124 4882248


Ques: What are 4 ways to keep your respiratory system healthy?

Ans: Making some small changes in daily life is very helpful to keep your respiratory system healthy. If you are dealing with any serious illness, disease, or allergies, then consult with a doctor for proper medication. With this, try to do the following changes, 

  • Stop smoking.
  • Exercise regularly.
  • Eat a healthy and balanced diet.
  • Maintain a healthy weight.

Ques: What is good for respiratory health? 

Ans: We all are well aware of the importance of lungs in keeping us strong and well. Like other body parts, our lungs need daily care and attention. 

Follow these tips to improve your lung health:

  1. Diaphragmatic breathing –
  • Lie on the back on a flat surface. Use a pillow under the knees to support the legs. Put one hand on the upper chest and the other hand below the rib cage. After this, you will feel your diaphragm is moving as you breathe.
  • Slowly, breathe in through the nose so that the stomach moves out.
  • Tighten the stomach muscles, letting them fall inward and then release slowly.
  1. Simple deep breathing – It helps in keeping the body and the mind calm. 
  2. “Counting” your breaths – By keeping an eye on the number of breath inhalations and exhalations, you can increase lung capacity. It will also help to keep the respiratory system healthy.
  3. Correct posture – Body posture is one of the important things to keep your lungs healthy. 

Ques: What best exercises for the lungs?

Ans: Despite your age, weight or athletic skill, doing aerobic activities is good for you. Doctors recommend that aerobic activities have many health benefits such as it keeps your body active, it involves almost every muscle, very helpful in keeping your lungs healthy. Aerobic activities like walking, bicycling or swimming are some of the best to keep you healthy.

Ques: How much oxygen level is good?

Ans: In normal pulse oximeter readings, oxygen level ranges from 95 to 100 percent considered as good. Values under 90 percent are considered low oxygen level in the body and will indicate the need for supplemental oxygen.

Ques: How to use a pulse oximeter correctly?

Ans: The pulse oximetry is a plastic clip-like device with a light attached to it. The oximeter helps in measuring the oxygen saturation level of arterial blood and heart rate. The correct technique to use a pulse oximeter is,

  • Your hand should be clean. If you are female, then avoid using nail paint while doing the pulse oximetry test.
  • Keep your body and hand relaxed.
  • Place the oximeter on your index or middle finger.
  • Place your hand on your chest near the heart.
  • Keep the oximeter on your finger for at least 1-2 minutes till the reading stabilises.
  • Record the highest reading that shows on the machine after the reading keeps unchanged for more than 5 seconds.
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