期刊论文详细信息
BMC Public Health
Effect of an office worksite-based yoga program on heart rate variability: A randomized controlled trial
Study Protocol
Birinder S Cheema1  Paul W Marshall1  Dennis Chang2  Ben Colagiuri3  Bianca Machliss4 
[1] School of Biomedical and Health Sciences, University of Western Sydney, Campbelltown, Australia;School of Biomedical and Health Sciences, University of Western Sydney, Campbelltown, Australia;Centre for Complementary Medicine Research, University of Western Sydney, Campbelltown, Australia;School of Psychology, University of New South Wales, Sydney, Australia;Yoga Synergy, Sydney, Australia;
关键词: exercise;    training;    insulin resistance;    diabetes;    obesity;    cytokines;   
DOI  :  10.1186/1471-2458-11-578
 received in 2011-05-25, accepted in 2011-07-20,  发布年份 2011
来源: Springer
PDF
【 摘 要 】

BackgroundChronic work-related stress is a significant and independent risk factor for cardiovascular and metabolic diseases and associated mortality, particularly when compounded by a sedentary work environment. Heart rate variability (HRV) provides an estimate of parasympathetic and sympathetic autonomic control, and can serve as a marker of physiological stress. Hatha yoga is a physically demanding practice that can help to reduce stress; however, time constraints incurred by work and family life may limit participation. The purpose of the present study is to determine if a 10-week, worksite-based yoga program delivered during lunch hour can improve resting HRV and related physical and psychological parameters in sedentary office workers.Methods and designThis is a parallel-arm RCT that will compare the outcomes of participants assigned to the experimental treatment group (yoga) to those assigned to a no-treatment control group. Participants randomized to the experimental condition will engage in a 10-week yoga program delivered at their place of work. The yoga sessions will be group-based, prescribed three times per week during lunch hour, and will be led by an experienced yoga instructor. The program will involve teaching beginner students safely and progressively over 10 weeks a yoga sequence that incorporates asanas (poses and postures), vinyasa (exercises), pranayama (breathing control) and meditation. The primary outcome of this study is the high frequency (HF) spectral power component of HRV (measured in absolute units; i.e. ms2), a measure of parasympathetic autonomic control. Secondary outcomes include additional frequency and time domains of HRV, and measures of physical functioning and psychological health status. Measures will be collected prior to and following the intervention period, and at 6 months follow-up to determine the effect of intervention withdrawal.DiscussionThis study will determine the effect of worksite-based yoga practice on HRV and physical and psychological health status. The findings may assist in implementing practical interventions, such as yoga, into the workplace to mitigate stress, enhance health status and reduce the risk of cardiovascular and metabolic diseases.Trial RegistrationACTRN12611000536965URL: http://www.anzctr.org.au/ACTRN12611000536965.aspx

【 授权许可】

CC BY   
© Cheema et al; licensee BioMed Central Ltd. 2011

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