We usually see in fitness articles, etc that when performing aerobic activity you should breathe deeply, in through the nose and out through the mouth. There are numerous reasons given for this but I honestly doubt the logic behind most of them and would be keen to hear if anyone can provide explanations.
In my own case - probably specific to my physiology - if I were to try riding even at gentle pace whilst breathing in that manner I would become hypoxic in only a minute or two and be forced to switch back to breathing via mouth only. There is absolutely no way I can get close to normal performance inhaling via the nose.
Breathing via mouth only I can refresh (CO2,etc out and O2 in) a large % of my lung capacity in every breath. Lab measurement has shown that using my nose I can only move about 1/4 of the gas volume in the same number of cycles. So how would breathing in via the nose be beneficial to me?
I have heard so called experts talking about this breathing cycle as though the nose and mouth are two completely separate pathways to the lungs - almost like an in vs out valve. Like a car's throttle and exhaust. I call bunkum unless someone can prove otherwise!
Also, if nose breathing is so important, then why is it that labs that perform aerobic testing of athletes usually place a house in the athlete's mouth and then close off their nose completely?
In my own case - probably specific to my physiology - if I were to try riding even at gentle pace whilst breathing in that manner I would become hypoxic in only a minute or two and be forced to switch back to breathing via mouth only. There is absolutely no way I can get close to normal performance inhaling via the nose.
Breathing via mouth only I can refresh (CO2,etc out and O2 in) a large % of my lung capacity in every breath. Lab measurement has shown that using my nose I can only move about 1/4 of the gas volume in the same number of cycles. So how would breathing in via the nose be beneficial to me?
I have heard so called experts talking about this breathing cycle as though the nose and mouth are two completely separate pathways to the lungs - almost like an in vs out valve. Like a car's throttle and exhaust. I call bunkum unless someone can prove otherwise!
Also, if nose breathing is so important, then why is it that labs that perform aerobic testing of athletes usually place a house in the athlete's mouth and then close off their nose completely?
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