Headstand (Sirshasana) Does Not Increase the Blood Flow to the Brain

Minvaleev, R. S.; Богданов, Р. Р.; Bahner, David P.; Levitov, Alexander

doi:10.1089/acm.2019.0060

Cited by 3 publications

(2 citation statements)

References 16 publications

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“…In a recent study of cerebral blood ow during inverted yoga pose (shirshasana), we found a decrease in the blood ow to the brain through the internal carotid artery, contrary to the prevailing opinion among yoga practitioners [10], which makes the problem statement relevant for testing other yoga practices.…”

Section: Introductioncontrasting

confidence: 77%

Yogic agnisara increases blood flow in the superior mesenteric artery

Minvaleev

Богданов

Kuznetsov

et al. 2022

Journal of Bodywork and Movement Therapies

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Section: Introductioncontrasting

confidence: 77%

Yogic agnisara increases blood flow in the superior mesenteric artery

Minvaleev

Богданов

Kuznetsov

et al. 2022

Journal of Bodywork and Movement Therapies

Self Cite

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“…[ 2 ] Recently, it was found that cerebral blood flow does not increase as result of preserved cerebral auto regulation. [ 3 4 ]…”

Section: Introductionmentioning

confidence: 99%

Effect of head down tilt on heart rate variability

Malhotra

Thakare

Hulke

et al. 2021

Journal of Family Medicine and Primary Care

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Context: Sirshasan is supposed to increase blood flow to the brain and considered to be beneficial for intellectual function, however mastering these techniques may be difficult. Aims: To see the effect of headstand using a tilt table on heart rate variability (HRV). Settings and Design: A cross-sectional study that was done on 26 healthy volunteers. Methods and Material: HRV was assessed in the supine position and 30° head tilt position for 5 min. HRV recording was done on the power lab (AD Instruments P Ltd, Castle Hill Australia). The tilt table used was Medica Podium, New Delhi, HLT-200. Statistical analysis used: Paired t -test. Results: All the HRV parameters showed non-significant change except low-frequency parameters which showed significant change during head tilt. Conclusions: Headstand to a 30° using tilt table cause a decrease in the autonomic activity which is mainly because of decrease in sympathetic activity.

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Yogic agnisara increases blood flow in the superior mesenteric artery

Minvaleev

Богданов

Bahner

et al. 2021

Preprint

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Objectives Medieval yoga texts claim that a special exercise of the muscles of the anterior abdominal wall, called agnisara, improves digestive function. Main objective of the study was to demonstrate change in the blood flow through superior mesenteric artery (if any) after performance of agnisara. Design and subjects: Ultrasound examination of the linear and volumetric indicators of blood flow in the superior mesenteric artery (SMA) before and after performing the agnisara yoga exercise 100 times was carried out in 12 healthy volunteers of both sexes (8 of them women). Results A significant increase in the diameter of the SMA, peak systolic and diastolic velocities, and blood flow in the superior mesenteric artery after performing the agnisara exercise 100 times was found, which contrasts with the established data on a decrease in splanchnic blood flow in humans in response to normal physical activity. Conclusion Properly performed agnisara increases blood flow to the splanchnic region, registered by the SMA, which should contribute to adequate blood supply to the gastrointestinal tract for successful performance of digestive function.

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Headstand (Sirshasana) Does Not Increase the Blood Flow to the Brain

Cited by 3 publications

References 16 publications

Yogic agnisara increases blood flow in the superior mesenteric artery

Yogic agnisara increases blood flow in the superior mesenteric artery

Effect of head down tilt on heart rate variability

Yogic agnisara increases blood flow in the superior mesenteric artery

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