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Appl Psychophysiol Biofeedback. 2008 Jun;33(2):65-75. doi: 10.1007/s10484-008-9055-0. Epub 2008 Mar 18.

Immediate effect of specific nostril manipulating yoga breathing practices on autonomic and respiratory variables.

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1
Swami Vivekananda Yoga Research Foundation, Bangalore, India.

Abstract

The effect of right, left, and alternate nostril yoga breathing (i.e., RNYB, LNYB, and ANYB, respectively) were compared with breath awareness (BAW) and normal breathing (CTL). Autonomic and respiratory variables were studied in 21 male volunteers with ages between 18 and 45 years and experience in the yoga breathing practices between 3 and 48 months. Subjects were assessed in five experimental sessions on five separate days. The sessions were in fixed possible sequences and subjects were assigned to a sequence randomly. Each session was for 40 min; 30 min for the breathing practice, preceded and followed by 5 min of quiet sitting. Assessments included heart rate variability, skin conductance, finger plethysmogram amplitude, breath rate, and blood pressure. Following RNYB there was a significant increase in systolic, diastolic and mean pressure. In contrast, the systolic and diastolic pressure decreased after ANYB and the systolic and mean pressure were lower after LNYB. Hence, unilateral nostril yoga breathing practices appear to influence the blood pressure in different ways. These effects suggest possible therapeutic applications.

PMID:
18347974
DOI:
10.1007/s10484-008-9055-0
[Indexed for MEDLINE]

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