Hola Cliff,
I agree with you, probably moderation is the key. In fact, I do almost the same exercises that you mentioned. But, that isn't the point.
When you are packing you drive a possitive pressure to your chest, some freedivers double his total lung volume. Overinflation can cause alveolar rupture, with transpulmonary pressures of less than 80mmHg(Schaeffer KE in J Apll Physiol 1958;13:15-29). As far as I know, no one had measure the pressure after a lung packing (maybe Kirk Krack know more about this).
This question comes to my mind while packing, I asked my self:"this is physiologic?.
What do you think about post a poll to find anormal symptoms after lung packing?
All I want to know if some one has studied the side effects of this practice.
How do you know if your 40 packs/daily will take you to a lung damage after 20 years of pratice?
I don't want to test in my self. I want to freedive until God calls me.
Sincerely
Frank Pernett
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