Cerebrovascular Hemodynamics During the Practice of Bhramari Pranayama, Kapalbhati and Bahir-Kumbhaka: An Exploratory Study

Various pranayama techniques are known to produce different physiological effects. We evaluated the effect of three-different pranayama techniques on cerebrovascular hemodynamics. Eighteen healthy volunteers with the mean ± standard deviation age of 23.78 ± 2.96 years were performed three-different...

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Bibliographic Details
Published in:Applied psychophysiology and biofeedback 2018-03, Vol.43 (1), p.87-92
Main Authors: Nivethitha, L., Mooventhan, A., Manjunath, N. K., Bathala, Lokesh, Sharma, Vijay K.
Format: Article
Language:English
Subjects:
Adult
Behavioral Science and Psychology
Cerebrovascular Circulation - physiology
Cerebrovascular system
Circulatory system
Exercise - physiology
Female
Flow velocity
Health Psychology
Hemodynamics
Hemodynamics - physiology
Humans
Male
Psychology
Psychotherapy and Counseling
Public Health
Respiration
Ultrasonography, Doppler, Transcranial - methods
Ultrasound
Yoga
Young Adult
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Summary:Various pranayama techniques are known to produce different physiological effects. We evaluated the effect of three-different pranayama techniques on cerebrovascular hemodynamics. Eighteen healthy volunteers with the mean ± standard deviation age of 23.78 ± 2.96 years were performed three-different pranayama techniques: (1) Bhramari , (2) Kapalbhati and (3) Bahir-Kumbhaka in three-different orders. Continuous transcranial Doppler (TCD) monitoring was performed before, during and after the pranayama techniques. TCD parameters such as peak systolic velocity, end diastolic velocity (EDV), mean flow velocity (MFV) and pulsatility index (PI) of right middle cerebral artery were recorded. Practice of Kapalbhati showed significant reductions in EDV and MFV with significant increase in PI while, Bahir-Kumbhaka showed significant increase in EDV and MFV with significant reduction in PI. However, no such significant changes were observed in Bhramari pranayama. Various types of pranayama techniques produce different cerebrovascular hemodynamic changes in healthy volunteers.
ISSN:1090-0586
1573-3270
DOI:10.1007/s10484-017-9387-8