In 1924, Kuvalayananda founded the Kaivalyadhama Health and Yoga Research Center in Lonavla, Maharashtra, to provide a laboratory for his scientific study of Yoga.[9] In the anthropologist Joseph Alter's words, "what he himself had to prove was that this truth [of classical yoga] was based on natural laws and universal principles. In some sense, pure, objective science was to be deployed as the handmaiden of spirituality and orthodox philosophy so as to establish what came to be the theme of his life's work".[8] His research agenda, although covering a variety of yogic practices (which he divided into asana (postures), pranayama (breathing exercises), and other practices, namely kriyas, mudras, and bandhas), resulted in a detailed study of the physiology involved during each such practice.[10] So, for example, Kaivalyadhama measured the consumption of oxygen of yogins seated cross-legged and practising pranayama; Kuvalayananda explained that while "the westerner" saw deep breathing as useful for providing oxygen, "With us the oxygen value of pranayama is subordinate. We prize it more for its usefulness in nerve culture."[11]
At the same time as founding his research institute at Lonavla, Kuvalayananda started the first journal devoted to scientific investigation into yoga, Yoga Mimamsa.[16] The journal has been published quarterly every year since its founding and was scheduled to be indexed by EBSCO in 2012. It has covered experiments on the effects of asanas, kriyas, bandhas, and pranayama on humans.[17]
What is the role of Pranayama on the Yogic (spiritual) path?
O.P. Tiwari: The subject matter of all Indian philosophy is not about the existence or not of God but whether humanity is happy or not and the reasons why. According to Western psychology, whenever a person is abnormal, they conclude that there is a problem in the mind. Yoga and Indian philosophy, in general, will not say that, but that mind itself is the problem. Desires come from the mind, as it does not know what the real need is and what is only desire. According to Yoga, nothing is as close to your mind as your breath. If I start insulting you, anger will come immediately and your breath will change, in different moods, there are different patterns of breath, so if you can control the breathing you will control the mind. They are interdependent. Once you go beyond the mind and know what is the difference between needs and desires, you enter your inner space. Mostly, we remain in the outer space because the mind always desires, thinking that the more desires you fulfil, the happier you will be. This is not so, because you cannot fulfil hundreds of desires. This is the function of pranayama in the spiritual path.
Behanan also studied Indian yogis. He was guided in this work by Swami Kuvalayananda, who promoted yoga research at a center for meditation practice he founded in the 1920s at Lonavla, a hill station near Bombay. Kuvalayananda developed a system of physical culture that included asanas and pranayamas, and he established a yogic therapy for many afflictions. His work was supported by several Indian states, two provincial governments of British India, Indian health agencies, and American foundations. For many years, the results of his laboratory research were published in a quarterly journal, Yoga Mimamsa, which also provided instruction on postures, breathing exercises, and other disciplines. Many people interested in yoga research visited Lonavla, among them psychologists Basu Bagchi of the University of Michigan Medical Center and M. A. Wenger of UCLA, who gave new impetus to meditation studies in the 1950s. From the 1920s into the 1960s, Swami Kuvalayananda did much to promote the scientific study of yoga.
Elmer and Alyce Green, with their colleagues at the Menninger Foundation in Topeka, Kansas, also observed exhibitions of yogic heart control. Their subject, Swami Rama, while sitting perfectly still, produced an atrial flutter of 306 beats per minute that lasted for sixteen seconds. During a fibrillation of this kind, a section of the heart oscillates rapidly while its chambers do not fill and its valves do not work properly, but Swami Rama gave no sign that the maneuver caused him any pain or heart damage. The swami also produced an IIF difference between the left and right sides of his right palm. While he did this, the left side of his palm turned pink and the right side gray (Green and Green, 1977).
Born in tamil Nadu sivananda saraswati is prominently known for combining karma yoga, bhakti yoga, jnana yoga and raja yoga. At the age of 40 sivananda saraswati came to rishikesh in the search of self realization with the rigorous practice of yoga and meditation. Later on he established siavananda ashram that follows the path of swami sivananda saraswati. He went on to spread the teaching of yogaall over the world and dedicated his life towards the learning scriptures, teaching yoga and spirituality.
In this scenario, it is challenging to have a consensus on how to name and to practice Pranayama since the different lineages of Yoga teach the techniques in distinct ways and for different purposes. We suggest that all forms of techniques may be included as long as a clear and detailed description is provided, and hence, one can understand the physiology behind the technique. Complementarily, since the word pranayama can be either a mental state and a technique to achieve this state, we suggest that in scientific texts, the term YBT should be favored instead of the traditional word Pranayama.
Another recent paper described a specific neuronal type in the pre-Bötzinger complex (pre-BötC) regulating calm and arousal behaviors in rodents. The inactivation or ablation of those neurons left breathing intact but promoted an increase in calm behaviors and a decrease in arousal.[1] In addition, some researchers have found that the prolonged practice of pranayama (4 weeks) also modulates the activity of brain regions involved in emotional processing, such as the amygdala, anterior cingulate, anterior insula, and prefrontal cortex.[6] Besides, through fMRI, it was possible to detect in these volunteers a reduction of connectivity between the anterior insula and lateral portions of the prefrontal cortex, which is a network associated with anxiety.[6] In this context, we argue that the sustained practice of YBT could promote neuroplasticity mechanisms underlying these findings. That is, specific neurons from pre-BötC could be affected by the voluntary control of respiration during YBT, thus stimulating less the locus coeruleus and reducing anxiety-related states. In addition, considering the prolongation of the respiratory cycle or the increase in nasal airflow during these practices, we argue that the olfactory bulb could exert a modulatory influence on the frontal lobe and limbic structures during YBT, resulting in long-term plasticity changes.
Swami Digambarji, on his own accord, without any announcements and fanfare initiated Sudhir in 1981 by conducting a Yadnopavit ceremony (Thread Ceremony) and accepted him as a disciple. Sudhir received his primary and advanced Yogic and Ayurvedic training from Swami Digambarji which included the study of traditional texts, mantra yoga, fire ceremony, pranayama and various aspects of adhyatm (spiritual) yoga. Sudhir also learnt pranayama and Hathapradipika from his father.
Asana or physical postures that are practiced in yoga are not practiced for their own sake, but are actually pranayama in movement, and so they prepare the practitioner for stationary pranayama since their main purpose is to enhance the quality of the breath.
Asana is therefore always performed in conjunction with the breath: the breath initiates and envelopes the entire movement of the body making possible for the whole body to participate in the respiratory process during a careful coordination of the body and breath with the mind. Other similar techniques, such as kriyas, bandhas and mudras, make possible and facilitate, come out of pranayama and prepare for pranayama.
There is increasing evidence that breathing exercises have beneficial effects on the respiratory system,8 blunt sympathetic excitatory pathways9 10 and enhance cardiorespiratory adaptation to hypoxia.11 12 Respiratory exercises are a relatively simple, low-cost intervention that can be incorporated into people's daily routine and may have a positive impact on respiratory and cardiovascular systems in the elderly. Bhastrika pranayama is a comprehensive yoga respiratory exercise that combines rapid shallow breathing using expiratory muscles with periods of slow inspiration and expiration through one nostril that are interspersed with inspiratory apnoeas associated with further activation of chest inspiratory muscles. In this study, we tested the hypothesis that a 4-month respiratory yoga training program (Bhastrika pranayama) improves respiratory function, cardiac sympathovagal balance and quality of life in healthy elderly subjects.
The intervention in the control group consisted of stretching and yoga posture exercises that were similar to the exercises carried out in the previous yoga classes. Respiratory training was based on traditional Bhastrika pranayama exercises. This is a comprehensive respiratory exercise and, briefly, is composed of kapalabhati interspersed with surya bedhana.25 Kapalabhati consisted of 45 rapid active expirations generated by contractions of the rectus abdominalis. During kapalabhati, expiration is active and inspiration is passive. Surya bedhana is slow inspiration through the right nostril, followed by a comfortable apnoea and a much slower, yet comfortable, expiration. During this voluntary inspiratory apnoea, one must perform three manoeuvres (or bandhas): jalandhara (strongly press the chin on the jugular notch, with the nostrils pressed with the fingers), uddyiana (chest expansion after jalandhara bandha, taking the chest to its maximal inspiratory position) and mula (perineum contraction). The sequence of respiratory exercises comprising Bhastrika pranayama is shown in the online supplemental video.
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