To measure your upper limit of tolerance of breathlessness. Taken from the Oxygen Advantage by Patrick McKeown
Perform the Maximum Breathlessness Test:
-Exhale normally through nose
-Walk at a normal pace while holding the breath
-Count the maximum number of paces that you can hold your breath
Goal 80 to 100 paces
Less than 60 paces- significant room for improvement
The duration of breath-holding after deep inspiration is a function of several factors:
-Chemoreception (chemosensitivity)
-Mechanoreception (light stretching receptors)
-The impact of descending cortical respiratory drive
-Cognitive component
The first two are involuntary but the most important (Ilyukhina and Zabolotskikh, 2000; Parkes,2006)
Trembach Nikita, Zabolotskikh Igor. Breath-holding test in evaluation of peripheral chemoreflexsensitivity in healthy subjects. Respiratory Physiology & Neurobiology 235 (2017) 79–82
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