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Effects of hatha yoga on stress in middle-aged women.
MedLine Citation:
PMID:  23407338     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
BACKGROUND: : Stress is considered a crucial trigger for physical and mental illness. Stress reduction is a known long-term benefit of regular Hatha yoga practice. The efficacy of a single-session Hatha yoga class on stress reduction is not currently known.
PURPOSE: : This study investigated the comparative effectiveness of a single 90-minute Hatha yoga class and an 8-week, 90-minute-class-per-week course.
METHODS: : We used a quasiexperimental design and recruited 63 female community residents in New Taipei City aged 40-60 years. Participants were randomly divided into an experimental group (n = 30) and a control group (n = 33). The experimental group received the 8-week Hatha yoga course. The control group received no intervention. The Perceived Stress Scale (PSS) and heart rate variability (HRV) assessed stress reduction effectiveness. Chi-square, independent t test, paired t test, and generalized estimating equations were used for data analysis.
RESULTS: : After a single 90-minute class of Hatha yoga, experimental group PSS scores were significantly less than those of the control group (p = .001). Although experimental group HRV (low-frequency norm and high-frequency norm) had improved, these changes were not statistically significant (p = .059). PSS scores for the single 90-minute class and 8-week course did not significantly differ (p = .157) and HRV of statistics is significant (p = .005). Generalized estimating equations analyzed changes in the effectiveness over time of stress reduction (HRV and PSS) after the Hatha yoga intervention. Results showed the postintervention HRV and PSS of the experimental group decreased significantly (p < .001) more than the control group.
CONCLUSIONS/IMPLICATIONS FOR PRACTICE: : Our findings support the position that regular, long-term practice of Hatha yoga provides clear and significant health benefits. Participation in a single 90-minute Hatha yoga class can significantly reduce perceived stress. Doing Hatha yoga regularly can reduce perceived stress even more significantly.
Authors:
Fu-Jung Huang; Ding-Kuo Chien; Ue-Lin Chung
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The journal of nursing research : JNR     Volume:  21     ISSN:  1948-965X     ISO Abbreviation:  J Nurs Res     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-02-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101128757     Medline TA:  J Nurs Res     Country:  China (Republic : 1949- )    
Other Details:
Languages:  eng     Pagination:  59-66     Citation Subset:  IM; N    
Affiliation:
1MSN, RN, Head Nurse, Department of Nursing, Mackay Memorial Hospital, and Adjunct Lecturer, Department of Nursing, Mackay Medicine, Nursing and Management College 2MS, MD, Attending Physician, Department of Emergency Medicine, Mackay Memorial Hospital, and Adjunct Lecturer, Department of Nursing, Mackay Medicine, Nursing and Management College 3EdD, RN, Professor, Chinese Medicine With Western Nursing, National Taipei University of Nursing and Health Sciences.
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