E-ISSN 2231-3206 | ISSN 2320-4672
 

Original Research 


Comparison of cardiac output between practitioners and nonpractitioners of yoga before and after physical stress intervention

Madhu D R, Ambarish Vijayaraghava, Venkatesh Doreswamy, Omkar Subbaramajois Narasipur.

Abstract
Background: Modern lifestyle and daily stress due to various causes have an adverse effect on cardiovascular health. Yoga modulates the sympathetic nervous system and hypothalamic-pituitary axis to decrease the effects of stress. Increase in cardiac output (CO) within physiological limits has health benefits.

Aims and Objective: We compared the alteration in CO in subjects practicing yoga and those not practicing yoga before and after exposure to an exercise challenge.

Materials and Methods: A total of 94 healthy male subjects in the age group 20 to 60 years were included in the study. Subjects were divided into two groups. Yoga group (n = 47, mean age: 43.95 ± 6.61 years, mean body mass index (BMI): 24.09 ± 4.19 kg/m2) consisted of subjects who had practiced yoga (Asanas, Pranayama, and meditation) for over 2 years. Nonyoga group (n = 47, mean age: 44.17 ± 6.48 years, mean BMI: 24.33 ± 4.97 kg/m2) did not perform yoga or any other form of regular physical activity for the same duration. CO was measured using non-invasive CO monitor of L and T systems.

Results: CO before exercise in yoga and non-yoga groups was 4.21 ± 0.63 L/min and 4.08 ± 0.57 L/min, respectively. The values of CO after exercise in yoga and non-yoga groups were 5.71 ± 0.58 L/min and 4.94 ± 0.53 L/min, respectively. CO after exercise challenge and difference in change of CO was statistically significant (P < 0.05) between the two groups. CO was significantly increased in yoga group after exercise but not in nonyoga group.

Conclusion: There was a significant increase in CO after exercise in practitioners of yoga indicating an increase in cardiovascular endurance in practitioners of yoga.

Key words: Yoga; Physical Stress; Exercise; Cardiac Output


 
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How to Cite this Article
Pubmed Style

Madhu D R, Ambarish Vijayaraghava, Venkatesh Doreswamy, Omkar Subbaramajois Narasipur. Comparison of cardiac output between practitioners and nonpractitioners of yoga before and after physical stress intervention. Natl J Physiol Pharm Pharmacol. 2017; 7(3): 317-322. doi:10.5455/njppp.2017.7.1234112122016


Web Style

Madhu D R, Ambarish Vijayaraghava, Venkatesh Doreswamy, Omkar Subbaramajois Narasipur. Comparison of cardiac output between practitioners and nonpractitioners of yoga before and after physical stress intervention. https://www.njppp.com/?mno=252238 [Access: February 01, 2023]. doi:10.5455/njppp.2017.7.1234112122016


AMA (American Medical Association) Style

Madhu D R, Ambarish Vijayaraghava, Venkatesh Doreswamy, Omkar Subbaramajois Narasipur. Comparison of cardiac output between practitioners and nonpractitioners of yoga before and after physical stress intervention. Natl J Physiol Pharm Pharmacol. 2017; 7(3): 317-322. doi:10.5455/njppp.2017.7.1234112122016



Vancouver/ICMJE Style

Madhu D R, Ambarish Vijayaraghava, Venkatesh Doreswamy, Omkar Subbaramajois Narasipur. Comparison of cardiac output between practitioners and nonpractitioners of yoga before and after physical stress intervention. Natl J Physiol Pharm Pharmacol. (2017), [cited February 01, 2023]; 7(3): 317-322. doi:10.5455/njppp.2017.7.1234112122016



Harvard Style

Madhu D R, Ambarish Vijayaraghava, Venkatesh Doreswamy, Omkar Subbaramajois Narasipur (2017) Comparison of cardiac output between practitioners and nonpractitioners of yoga before and after physical stress intervention. Natl J Physiol Pharm Pharmacol, 7 (3), 317-322. doi:10.5455/njppp.2017.7.1234112122016



Turabian Style

Madhu D R, Ambarish Vijayaraghava, Venkatesh Doreswamy, Omkar Subbaramajois Narasipur. 2017. Comparison of cardiac output between practitioners and nonpractitioners of yoga before and after physical stress intervention. National Journal of Physiology, Pharmacy and Pharmacology, 7 (3), 317-322. doi:10.5455/njppp.2017.7.1234112122016



Chicago Style

Madhu D R, Ambarish Vijayaraghava, Venkatesh Doreswamy, Omkar Subbaramajois Narasipur. "Comparison of cardiac output between practitioners and nonpractitioners of yoga before and after physical stress intervention." National Journal of Physiology, Pharmacy and Pharmacology 7 (2017), 317-322. doi:10.5455/njppp.2017.7.1234112122016



MLA (The Modern Language Association) Style

Madhu D R, Ambarish Vijayaraghava, Venkatesh Doreswamy, Omkar Subbaramajois Narasipur. "Comparison of cardiac output between practitioners and nonpractitioners of yoga before and after physical stress intervention." National Journal of Physiology, Pharmacy and Pharmacology 7.3 (2017), 317-322. Print. doi:10.5455/njppp.2017.7.1234112122016



APA (American Psychological Association) Style

Madhu D R, Ambarish Vijayaraghava, Venkatesh Doreswamy, Omkar Subbaramajois Narasipur (2017) Comparison of cardiac output between practitioners and nonpractitioners of yoga before and after physical stress intervention. National Journal of Physiology, Pharmacy and Pharmacology, 7 (3), 317-322. doi:10.5455/njppp.2017.7.1234112122016