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BioMed Research International
Volume 2017 (2017), Article ID 2450670, 7 pages
https://doi.org/10.1155/2017/2450670
Clinical Study

Effect of Alternate Nostril Breathing Exercise on Experimentally Induced Anxiety in Healthy Volunteers Using the Simulated Public Speaking Model: A Randomized Controlled Pilot Study

1Department of Pharmacology, Kasturba Medical College, Manipal University, Mangaluru, Karnataka, India
2Department of Pharmacology, Kanachur Institute of Medical Sciences, Mangaluru, Karnataka, India

Correspondence should be addressed to Ashwin Kamath; ude.lapinam@htamak.niwhsa

Received 21 May 2017; Revised 25 July 2017; Accepted 7 September 2017; Published 11 October 2017

Academic Editor: Ming D. Li

Copyright © 2017 Ashwin Kamath et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A randomized controlled pilot study was carried out to determine the effect of a 15-minute practice of ANB exercise on experimentally induced anxiety using the simulated public speaking model in yoga-naïve healthy young adults. Thirty consenting medical students were equally divided into test and control groups. The test group performed alternate nostril breathing exercise for 15 minutes, while the control group sat in a quiet room before participating in the simulated public speaking test (SPST). Visual Analog Mood Scale and Self-Statements during Public Speaking scale were used to measure the mood state at different phases of the SPST. The psychometric scores of both groups were comparable at baseline. Repeated-measures ANOVA showed a significant effect of phase (), but group and gender did not have statistically significant influence on the mean anxiety scores. However, the test group showed a trend towards lower mean scores for the anxiety factor when compared with the control group. Considering the limitations of this pilot study and the trend seen towards lower anxiety in the test group, alternate nostril breathing may have potential anxiolytic effect in acute stressful situations. A study with larger sample size is therefore warranted. This trial is registered with CTRI/2014/03/004460.