Document Detail

Impact of yoga on haemodynamic function in healthy medical students.
MedLine Citation:
PMID:  21942118     Owner:  NLM     Status:  In-Process    
OBJECTIVES: Yoga improves cardiovascular health in both healthy individuals and those with diagnosed heart disease. This study compares changes in some cardiovascular parameters before and after the practice of Yoga in healthy medical students.
METHODS: Sixty-four healthy medical students (57 females and 7 males), mean age 21.3 +/- 2.6 years, attending a Special Study Module 'Role of Dhyana Yoga in Stress Management', participated in this study. Systolic (SYS) and Diastolic (DIA) blood pressure, Heart Rate (HR), Stroke Volume (SV), Cardiac output (CO), Total Peripheral Resistance (TPR), Interbeat Interval (IBI), Left Ventricular Ejection Time (LVET), Arterial Compliance (Cwk) and Ascending Aorta Impedance (Zao) were measured before and after six weeks of yogic exercises. Various exercises included asanas (Postures), pranayama (Breathing), and dhyana (Meditation). Data were analyzed using Stata for Windows.
RESULTS: Two-tailed paired t-test revealed that practice ofyoga caused significant increases in HR (p < 0.05), SV (p < 0.01), CO (p < 0.001) and Cwk (p < 0.01) and decreases in TPR (p < 0.001), IBI (p < 0.05) and Zao (p < 0.001) after practising yoga for 6 weeks as compared to before yoga practice. No significant differences were, however observed in SYS, DIA, Mean arterial blood pressure (MAP) and LVET CONCLUSIONS: Practice of yoga even for a short period showed ability to improve most of the cardiovascular functions. Regular practice of yoga for a longer period may further improve these functions and possibly result in improved management of their daily stress.
O Parshad; A Richards; M Asnani
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The West Indian medical journal     Volume:  60     ISSN:  0043-3144     ISO Abbreviation:  West Indian Med J     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-09-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0417410     Medline TA:  West Indian Med J     Country:  Jamaica    
Other Details:
Languages:  eng     Pagination:  148-52     Citation Subset:  IM    
Department of Basic Medical Sciences, Tropical Medicine Research Institute, The University of the West Indies, Kingston 7, Jamaica, West Indies.
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