Ancient Science of Life 2017 36(4):196-199
Context: Prāṇāyāma, the fourth limb of ancient aṣṭāṅga yoga consists of breathing techniques which produce various physiological and psychological effects. Though various types of prāṇāyāma and their effects have been scientifically established, Bhrāmarī prāṇāyāma (Bhr.P) is the one whose effects still remain understated. Aims: The present study was conducted to find the effects of Bhrāmarī prāṇāyāma practice on pulmonary function in healthy adolescents. Study Design: Randomized control trial. Subjects and Methods: 90 healthy adolescents including 32 females and 58 males participated in the study. They were randomly divided into Bhr.P group (n = 45) and Control group (n = 45) by a simple lottery method. Pulmonary function test was done at baseline and at end of 12th week using RMS Helios spirometry. Prāṇāyāma group students were trained to do Bhr.P as 3 to 4 breaths/min for 5 min followed by 2 min rest. This was one cycle and in this way, they were instructed to do five cycles each time for 45 minutes five days in a week. Control group students were not allowed to practice any kind of exercise throughout the study period. Statistical Analysis: Student paired and unpaired T tests were used to analyse the intra group and intergroup differences using R statistical software. Results: A significant (P < 0.05) improvement in all pulmonary function parameters; FVC, FEV1, FEV1/FVC ratio, FEF 25%-75% and PEFR was seen in the Bhr.P group than the control group adolescents. Slow vital capacity (SVC) and Maximum Voluntary Volume (MVV) also showed significant improvement in the prāṇāyāma group. Conclusions: Bhrāmarī Prāṇāyāma practice is effective in improving the pulmonary function among the adolescents which could be utilized for further clinical studies.
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