Annals of African Medicine
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Year : 2021  |  Volume : 20  |  Issue : 2  |  Page : 69-77

Effects of alternate nostril breathing exercise on cardiorespiratory functions in healthy young adults

1 Department of Physiology, Eastern Medical College, Cumilla, Bangladesh
2 Department of Physiology, Chittagong Medical College, Chattogram, Bangladesh
3 Department of Pharmacology, Eastern Medical College, Cumilla, Bangladesh
4 Department of Internal Medicine, United Hospital, Dhaka, Bangladesh
5 Department of Public Health, North South University, Dhaka, Bangladesh
6 Department of Statistics, University of Dhaka, Dhaka, Bangladesh
7 Department of Physical Rehabilitation Sciences, Kulliyyah of Allied Health Sciences, International Islamic University Malaysia, Kuantan, Malaysia
8 Unit of Pharmacology, Faculty of Medicine and Defence Health, Universiti Pertahanan Nasional Malaysia, Kuala Lumpur, Malaysia

Correspondence Address:
Dr. Mainul Haque
Unit of Pharmacology, Faculty of Medicine and Defence Health, Universiti Pertahanan Nasional Malaysia (National Defence University of Malaysia), Kem Perdana Sungai Besi, Kuala Lumpur
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/aam.aam_114_20

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Introduction: Alternate nostril breathing (ANB) is an effective breathing exercise with therapeutic benefits on cardiorespiratory functions for healthy and diseased individuals. This study was conducted to assess the effects of ANB exercise on cardiorespiratory tasks in healthy adults. Materials and Methods: This randomized experimental study was conducted in the Department of Physiology, Chittagong Medical College, Chattogram, from July 2017 to June 2018. A total of 100 1st-year students, aged between 18 and 20 years, were included by a random sampling method. Fifty participants (25 males and 25 females) were enrolled in the experimental group, while age- and body mass index-matched another 50 participants (25 males and 25 females) served as the control group. Experimental group participants performed ANB exercise for 4 weeks. Cardiorespiratory parameters (pulse rate, blood pressure, forced vital capacity, forced expiratory volume in 1st s [FEV1], and peak expiratory flow rate [PEFR] were measured. Data were taken at the start and after 4 weeks in both groups. Results: Independent t-test showed no significant differences in the cardiorespiratory functions between the experimental and control groups among the male and female participants, except for the females' PEFR which showed small differences. On the other hand, repeated measure ANOVA shows significant improvement in the experimental groups among males (P < 0.001–0.028) and females (P < 0.001–0.001) in all the cardiorespiratory functions measured, except for the FEV1 and PEFR among males. Conclusion: The results of this study suggest that cardiorespiratory functions were improved after breathing exercise, and therefore, ANB can be recommended for increasing cardiorespiratory efficiency.

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