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Effects of a calm breathing PDF Print E-mail
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Written by Massimo   
Wednesday, 15 August 2012
Fast breathing during asanas? Maybe it is not the best idea... A scientific research on this subject.

I am always very surprised when I see modern yoga teachers instructing people to breathe fast in their classes. In traditional yoga the breath should rather be calm. Here a scientific research on the effects of fast breathing on the nervous system.


Natural Muscle Relaxant: Carbon Dioxide

Carbon dioxide is a natural muscle relaxant. Hence, when people have normal breathing parameters during their basal or automatic breathing, they effortlessly maintain correct posture with straight spine. It is easy for them to have diaphragmatic (vs chest) breathing 24/7. There are no signs of stress in their gait.

What happens with muscles and posture in the sick? Since ordinary modern people, breathe about twice more than the medical norm (see Hyperventilation: Present in Over 90% of Normal People; 24 medical publications), they suffer from effects of chronic hyperventilation. One of them is CO2 deficiency (hypocapnia) that makes muscle cells tense and irritable.

Physiological science accumulated evidence of the adverse effects of low carbon dioxide levels on muscle cells. In his research review paper, "Physiological effects of hyperventilation" Dr. Brown from the Department of Physiology at the University of Kansas Medical Center (USA) analyzed almost 300 professional studies. He stated, “Studies designed to determine the effects produced by hyperventilation on nerve and muscle have been consistent in their finding on increased irritability” (Brown, 1953). Muscles cells become irritated or abnormally sensitive and predisposed to spasms and twitching.

That was also an experimental observation of Dr. Hurlock from the Department of Physiology (University of Birmingham Medical School, UK) in his book Muscle blood flow (Hurlock, 1973). Many other published research studies found that CO2 is a natural muscle relaxant (Lamont , 1987; Gencarelli, 1983; Hoylea, 1960).

This fact, together with the properties of CO2 mentioned previously, will help us to understand the mechanism by which normal carbon dioxide concentrations can restore the harmonious work of different muscular groups (such as all smooth muscles of arteries and arterioles, the heart, respiratory muscles, muscles of the digestive tract, etc.) in order to eliminate muscular spasms (e.g., heart attacks, asthma attacks, constipation, etc.). In fact, there are separate web pages that consider how CO2 deficiency contributes or even creates chest breathing, vasoconstriction, and bronchoconstriction.

Moreover, since skeletal muscles also get irritated it is normal to expect that when people breathe too much, they are more likely to be tense, anxious, stressed, aggressive, and violent. Together with the abnormally excited state of the nervous system, this muscular effect can create conditions of tension and irritability. A slight provocation can create various problems for a hyperventilating person (and for those who are around!) since the muscles are irritated and the brain cells are abnormally excited.

Vice versa, normal carbon dioxide concentrations would result in muscular relaxation. Hence, the relief or treatment of chronic problems with muscular tension should be based on breathing exercises or breathing retraining therapies.

Which feelings and emotions can people experience because of hyperventilation?

Studies have found that people become duller and less able to concentrate because of chronic overbreathing. In addition, because of “spontaneous and asynchronous firing of cortical neurons”, people can become impulsive, moody, inconsistent, anxious, irritated, intolerant, disrespectful, depressed, hyperactive, verbally abusive, jealous, envious, greedy, and addicted to various unnatural substances and activities due to abnormal effects of CO2 deficiency on the human nerve cells. During overbreathing, it becomes more and more difficult to control irrational emotions. Confusion is another common result of overbreathing.

(Note that normal breathing does not guarantee a complete absence of irrational emotions. Upbringing and environmental factors are also important. However, for most people, destructive or self-defeating behavior is possible or more likely in conditions of hyperventilation.)

Due to tense muscles, CO2 deficient people can easily become poorly coordinated, over-active, aggressive, or even violent (see right). This often leads to destructive behavior, which requires self-justification on the part of the perpetrators. How is that possible? Physiology has proved that the nerve cells become irritable during hyperventilation or cell hypocapnia. As a result, the brain, instead of being a tool for the exploration of the world and the analysis of one’s own behavior, often becomes a tool for the invention of excuses.

In other situations hyperventilating people can suffer themselves. CO2-related physiological mechanisms (muscular spasms and abnormally excited state of the nerve cells) help us to understand and prevent (treat) epilepsy and other types of seizures; many, but not all black-outs; febrile seizures; cases of eclampsia; and twitches. In many life-threatening situations, when breathing is very heavy and people can have heart attacks, strokes, or epilepsy attacks, their body can become very stiff with decisive or significant contribution due to CO2 deficiency.

In order to relief muscular tension permanently, it is necessary to normalize one's breathing pattern 24/7. Slowing down one breathing back to the medical norm is possible by addressing lifestyle factors and those breathing techniques that make breathing lighter and slower so that we have larger carbon dioxide and oxygen concentrations in body cells. Hence, the treatment should include breathing retraining exercises (e.g., Amazing DIY device, Buteyko breathing therapy, and/or Frolov respiratory device) and correction of lifestyle risk factors.

Be observant. Watching TV for example, what can you (always?) say about breathing of people who are violent or angry? Have you ever seen people expressing violent or angry behavior while having normal or light and easy breathing? Have you observed breathing of epileptics before seizures and their muscular twitching and spasms later (e.g., on YouTube)?

  Artour Rakhimov

Last Updated ( Wednesday, 15 August 2012 )
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