Essentially, it's breathing in through your nose followed by a long exhale through your mouth. To do it properly, try to keep your exhale at least twice as long as your inhale. We are told that you must inhale through your nose, but you can inhale through your mouth. It's a technique that helps a lot during exercise and increases the time you can go without being too short of breath. Many people learn it and use the technique all the time. If you google the term pursed lip breathing, you'll get more YouTube hits that you could look at in days. Most of them are pretty good.

It's actually called pursed lip breathing. I don't know how it's done since I don't need it yet, but I'm sure someone else will give you an explanation. I would try to explain it, but I don't want to give you wrong information @A MyCOPDTeam Member

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A MyCOPDT...

Purse breathing I learned that in rehab!

My texting is horrible. It's just called exercises. For your lungs

If you have the internet, there is a thing you can go to our lady. Does Ashley lung exercises? I do them every day and it takes about 40 minutes, but it's literally so good for your lungs. Keeps those muscles around your lungs good