I'm not sure who
coined the phrase "power breathing" but I first learned about it on
Trailsides (a PBS program) while watching an episode on climbing Mount
Rainer. The purpose of power breathing is to improve the transfer of
blood gases in your lungs during high altitude hiking. Power breathing
is to hold your lips together as you breath out to compress the air
in your lungs. This air compression in your lungs improves the gas
transfer with your blood.
The only gauge I
know of, to determine if it's working, is to ask the question; do you
have more energy when you power breath or not? Therefore, how hard
and how often you power breathe is leaned by experience and do not
expect to learn it on your first outing.
On hikes where I
drive from sea level to 9000 feet, in about 3 hours, and then start
hiking right out of the car, I usually need to light power breathe
from the first step. When I'm hiking and gradually gain altitude, I
start power breathing at about 11,000 feet.
Over the past few
years, I have developed a problem with an upset stomach on all of my
altitude hikes. It has become a serious problem making the trips much
less enjoyable. Recently I discovered that my excessive power breathing
was the cause of my stomach and intestinal upset.
I'm now learning
to power breathe calmly and with much less force. Light power breathing
is working by giving me enough oxygen and no stomach upset.
I am convinced that
compressing the air in your lungs at high altitude seems to be greatly
beneficial and with every hike I lean more about it.
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