Respiratory rate (respiration rate, breathing frequency, breathing rate, ventilation rate, pulmonary ventilation rate, and respiratory frequency) is the number of breaths that a person takes during one minute. The normal value for an adult is 10-12 breaths per minute at rest. Yoga masters breathe much slower.
Medical research suggests breathing frequency is the indicator of pulmonary problems that get progressively worse with progress of chronic health conditions, such as heart disease, asthma, COPD, diabetes, HIV-AIDS, cancer, and cystic fibrosis.
You can find more facts related to respiratory rates for adults with cancer patients, cystic fibrosis, heart disease, asthma, diabetes, COPD and many other conditions on pages of NormalBreathing.com.
Medical textbooks suggest that the normal respiratory rate for adults at rest is only 10-12 breaths per minute. Older physiology textbooks often provide even smaller values (e.g., 8-10 breaths per minute), while more recent textbooks can give up to 15-18 breaths per minute. Ideal breathing rate is 3-4 breaths per minute as in real yoga masters.
Most modern adults breathe much faster (about 15-20 breaths per minute) than their normal respiration rate. Respiratory rates in people with chronic diseases are usually higher: often nearly 20 breaths/min or even higher.
NormalBreathing.com has numerous medical studies that testify that respiratory rates in terminally sick people with cancer, HIV-AIDS, cystic fibrosis and other conditions is usually over 30 breaths/min.
Another webpage with this URL: breathing rate - http://www.e-breathing.com/respiration/normal-respiratory-rate/ also provides details related to medical norms and values for breathing frequency in people with chronic health problems.
Normal values for respiratory rate:
- during exercise: 50-60 breaths/min
- hatha yoga pranayama: 0.5-3 breaths per minute
- firebreath (hatha yoga exercise): 100-120 breaths/min.
Normal respiration rates in children
- Newborns and infants (up to 6 months old): 30-60 breaths/min
- Infants (6 to 12 months old): 24-30 breaths/min
- Toddlers and children (1 to 5 years old): 20-30 breaths/min
- Children (6 to 12 years): 12-20 breaths/min.
Charts and graphs of breathing patterns, minute ventilation and results of the body oxygen test (Buteyko CP test) can be found on this page: http://www.normalbreathing.com/index-rate.php and the link provided above. Also, the Amazon book "Yoga Benefits Are in Breathing Less" describes the causes of poor efficiency of modern yoga and effects of classic yoga on health and breathing.
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http://lifeexpert.tumblr.com/post/64022782169/asthma-causes-and-treatment-of-asthma-provides . It reviews clinical studies how breathing retraining reduce wheezing, chest tightness, and coughing in people with asthma. The technique also increases body oxygen content and improves immune function in asthmatics.
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