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Man practicing Prāṇāyām

Prāṇāyāma (Sanskrit: प्राणायाम prāṇāyāma) is a Sanskrit word alternatively translated as "extension of the prāṇa (breath or life force)" or "breath control." The word is composed from two Sanskrit words: prana meaning life force (noted particularly as the breath), and either yama (to restrain or control the prana, implying a set of breathing techniques where the breath is intentionally altered in order to produce specific results) or the negative form ayāma, meaning to extend or draw out (as in extension of the life force). It is a yogic discipline with origins in ancient India.


Prāṇāyāma (Devanagari: प्राणायाम prāṇāyāma) is a Sanskrit compound.

V. S. Apte provides fourteen different meanings for the word prāṇa (Devanagari: प्राण, prāṇa) including these:[1]

  • Breath, respiration
  • The breath of life, vital air, principle of life (usually plural in this sense, there being five such vital airs generally assumed, but three, six, seven, nine, and even ten are also spoken of)[2]
  • Energy, vigor
  • The spirit or soul

Of these meanings, the concept of "vital air" is used by Bhattacharyya to describe the concept as used in Sanskrit texts dealing with prāṇāyāma.[3] Thomas McEvilley translates prāṇa as "spirit-energy".[4] The breath is understood to be its most subtle material form, but is also believed to be present in the blood, and most concentrated in men's semen and women's vaginal fluid.[5]

Monier-Williams defines the compound prāṇāyāma as "(m., also pl.) N. of the three 'breath-exercises' performed during Saṃdhyā (See pūrak, rechak (English: retch or throw out), kumbhak".[6] This technical definition refers to a particular system of breath control with three processes as explained by Bhattacharyya: pūrak (to take the breath inside), kumbhak (to retain it), and rechak (to discharge it).[7] There are also other processes of prāṇāyāma in addition to this three-step model.[7]

Macdonell gives the etymology as prāṇa + āyāma and defines it as "m. suspension of breath (sts. pl.)".[8]

Apte's definition of āyāmaḥ derives it from ā + yām and provides several variant meanings for it when used in compounds. The first three meanings have to do with "length", "expansion, extension", and "stretching, extending", but in the specific case of use in the compound prāṇāyāma he defines āyāmaḥ as meaning "restrain, control, stopping".[9]

An alternative etymology for the compound is cited by Ramamurti Mishra, who says that:

Expansion of individual energy into cosmic energy is called prāṇāyāma (prāṇa, energy + ayām, expansion).[10]

Bhagavad Gītā[edit]

Prāṇāyāma is mentioned in verse 4.29 of the Bhagavad Gītā.[11]

According to Bhagavad-Gītā As It Is, prāṇāyāma is translated to "trance induced by stopping all breathing", also being made from the two separate Sanskrit words, prāṇa and āyām.[12]

Yoga Sutras of Patanjali[edit]

Yoga Sutras of Patanjali[13]
Pada (Chapter) English meaning Sutras
Samadhi Pada On being absorbed in spirit
Sadhana Pada On being immersed in spirit
Vibhuti Pada On supernatural abilities and gifts
Kaivalya Pada On absolute freedom

Pranayama is the fourth "limb" of the eight limbs of Ashtanga Yoga mentioned in verse 2.29 in the Yoga Sutras of Patanjali.[14][15] Patanjali, a Hindu Rishi, discusses his specific approach to pranayama in verses 2.49 through 2.51, and devotes verses 2.52 and 2.53 to explaining the benefits of the practice.[16] Patanjali does not fully elucidate the nature of prana, and the theory and practice of pranayama seem to have undergone significant development after him.[17] He presents pranayama as essentially an exercise that is preliminary to concentration, as do the earlier Buddhist texts.[17]

Many yoga teachers advise that pranayama should be part of an overall practice that includes the other limbs of Patanjali's Raja Yoga teachings, especially Yama, Niyama, and Asana.[18]


Prāṇāyāma techniques and forms include:[19][20]

Man practising Nadi sodhana in a yoga pose.
  • Nadi Shodan prāṇāyāma.
  • Pratiloma prāṇāyāma - the inverse of anuloma: the inhale is drawn through one nostril (alternating sides each time) and the exhale is released through both nostrils.
  • Sama vṛtti prāṇāyāma ("Even breathing") - the inhale and exhale are of equal size and duration. The opposite of visama vṛtti.
  • Shitali prāṇāyāma ("Cooling breath") - Inhalation is drawn over the curled and extended tongue.
  • Shitkari prāṇāyāma - Similar to shitali but the tongue is held between the teeth.
  • Surya Bhastrika prāṇāyāma.
  • Surya bhedana prāṇāyāma and Chandra bhedana prāṇāyāma - Channeling breath in one side and out the other without alternating, meant to energize ida or pingala nadi. The right nostril is associated with the sun (surya) and left nostril with the moon (ida).
  • Surya Chandra Bhastrika prāṇāyāma.
  • Udgeeth prāṇāyāma ("Chanting prāṇāyāma") - often done with the chanting of the Om mantra.
  • Ujjayi prāṇāyāma - also known as "victorious or conquering breath" is breathing with the glottis slightly engaged, producing a soft sound. Considered to be the only prāṇāyāma one can safely practice while walking or engaged in other activities (e.g. during āsana practice. Some older versions require digital prāṇāyāma (the fingers controlling the nostrils). The slightly closed airway creates a valsalva maneuver and typically results in a parasympathetic response (lowered heart rate, lowered blood pressure, increased digestive activity, stimulation of the vagus nerve, etc...)
  • Viloma prāṇāyāma - "the air is inhaled with pauses and exhaled as one breath or vice-versa, usually with added kumbhaka".[22]
  • Visama vṛtti - "Uneven breathing" where specific ratios (e.g. 1:4:2) are maintained between inhale, retention, and exhale. The opposite of sama vṛtti.


Several researchers have reported that pranayama techniques are beneficial in treating a range of stress-related disorders.[23] A Cochrane systematic review on the symptomatic relief of asthma by breathing exercises did not find a statistically significant improvement but did find that there was a statistically significant increase in the dose of histamine needed to provoke a 20% reduction in FEV1 (PD20) during pranayama breathing but not with the placebo device.[24]


Authoritative texts on Yoga state that, in order to avoid injuries and unwanted side effects, pranayama should only be undertaken when one has a firmly established yoga practice and then only under the guidance of an experienced Guru.[18]

According to at least one study, pranayama was the yoga practice leading to most injuries, with four injuries in a study of 76 practitioners. There have been limited reports of adverse effects including haematoma and pneumothorax, though the connections are not always well established.[25]


  1. ^ Apte, p. 679.
  2. ^ For the vital airs as generally assumed to be five, with other numbers given, see: Macdonell, p. 185.
  3. ^ Bhattacharyya, p. 311.
  4. ^ McEvilley, Thomas. "The Spinal Serpent", in: Harper and Brown, p. 94.
  5. ^ Richard King, Indian philosophy: an introduction to Hindu and Buddhist thought. Edinburgh University Press, 1999, p. 70.
  6. ^ Moner-Williams, p. 706, left column.
  7. ^ a b Bhattacharyya, p. 429.
  8. ^ Macdonell, p.185, main entry prāṇāghāta
  9. ^ See main article आयामः (āyāmaḥ) in: Apte, p. 224. Passages cited by Apte for this usage are Bhagavatgita 4.29 and Manusmriti 2.83.
  10. ^ Mishra, p. 216.
  11. ^ Gambhirananda, pp. 217–218.
  12. ^ "Bhagavad-gītā 4.29 — ISKCON Press". 
  13. ^ Stiles 2001, p. x.
  14. ^ Taimni, p. 205.
  15. ^ Flood (1996), p. 97.
  16. ^ Taimni, pp. 258–268.
  17. ^ a b G. C. Pande, Foundations of Indian Culture: Spiritual Vision and Symbolic Forms in Ancient India. Second edition published by Motilal Banarsidass Publ., 1990, p. 97.
  18. ^ a b Bellur Krishnamachar Sundararaja Iyengar (2011). Light on prāṇāyāma : the yogic art of breathing. New York: Crossroad. OCLC 809217248. 
  19. ^ "Pranayama Basics and Pranayama Types". Yoga Health Center. 
  20. ^ Czipin, Jana A (2012). Practice Manual Pranayama. OCLC 863972234. 
  21. ^ YAI-Breath of Fire (Agni-Prasana),
  22. ^ Bellur Krishnamachar Sundararaja Iyengar. "20:Viloma prāṇāyāma". Light on pranayama. OCLC 68941560. 
  23. ^ Holland, Anne E.; Hill, Catherine J., Jones, Alice Y., McDonald, Christine F. (2012). "Breathing exercises for chronic obstructive pulmonary disease". The Cochrane Database of Systematic Reviews. 10: CD008250. doi:10.1002/14651858.CD008250.pub2. ISSN 1469-493X. PMID 23076942.  Cite uses deprecated parameter |coauthors= (help)
  24. ^ Freitas DA, Holloway EA, Bruno SS, Chaves GS, Fregonezi GA, Mendonça KP (1 October 2013). "Breathing exercises for adults with asthma". Cochrane Database Syst Rev. 10 (CD001277.pub3): CD001277. doi:10.1002/14651858.CD001277.pub3. PMID 24085551. 
  25. ^ Cramer H, Krucoff C, Dobos G (2013). "Adverse events associated with yoga: a systematic review of published case reports and case series". PLoS ONE (Systematic review). 8 (10): e75515. doi:10.1371/journal.pone.0075515. PMC 3797727free to read. PMID 24146758. The yoga practice that was most often associated with reported adverse events was Pranayama