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The Control Pause is the main measurement tool of Buteyko theory and practice. It is essentially an indicator of our health. It reflects our Minute ventilation (breathing volume per minute), which for a healthy person should be 4-6 liters/minute at rest.
Numerous studies show that Minute ventilation in subjects with many modern chronic diseases, such as asthma, diabetes, heart disease and others, is three to five times greater than in healthy subjects. Over time, greater breathing volumes cause drastic changes in our bodies, such as PH balance disturbances, spasms in smooth muscles and blood vessels, and oxygen starvation in tissue.
That’s why to keep your Minute ventilation at norm is as important as to keep at norm your blood pressure, blood glucose, BMI, blood cholesterol and other health parameters.
You don’t need special tools to test your Minute ventilation. Healthy Minute ventilation corresponds with a certain concentration of Carbon Dioxide in your alveolar air. Professor Buteyko discovered that it is measured by how long a person can comfortably suspend their breathing. The parameter was named a Control Pause, or CP, for short.
Why the time of breath suspension was chosen as a measurement? Breathing is regulated by our brain. Logically, a simple measurement of regulating mechanism’s work can be done by deliberately stopping the process (breathing) and waiting until the regulating mechanism (brain) signals to breathing muscles to initiate the process (to take the next breath). Why on exhale? Because after normal exhale the volume of air in the lungs and the concentration of oxygen and carbon dioxide least depend on fluctuating breathing pattern.
So, to measure the Control Pause, breathing after normal exhale should be suspended, and the time should be measured until the first desire to breathe.
To my experience, many students have difficulty determining when exactly they feel the first desire to breathe. As we mentioned above, it should not be brain’s psychological instruction (panic, emotional response etc), but the instruction of the breathing regulating mechanism, i.e. push of respiratory muscles - of diaphragm, thorax or larynx. Usually a person would experience a push of the diaphragm, throat or both. You’ll know that you didn’t overextend if your breath after letting go is not larger than the initial breath.
To learn more visit our Health Check page.
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