国際生命情報科学会誌
Online ISSN : 2424-0761
Print ISSN : 1341-9226
ISSN-L : 1341-9226
Proceedings
Effects of Qi-therapy (External Qigong) on Autonomic Nervous System : A Randomized Placebo Controlled Pilot Trial(International Conference on Mind Body Science : Physical and Physiological Approach joint with The Eighteenth Symposium on Life Information Science)
Myeong Soo LEEHye-Sook JANGSun-Rock MOON
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2004 年 22 巻 2 号 p. 314-316

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External Qi-therapy is a process by which vital energy (Qi) is transmitted from a Qi-master to another person for the purpose of preventing and curing disease, as well as protecting and improving health through regulation of mind and body. Some believe that Qi-therapy is effective because it not only reduces sympathetic activity, but also enhances parasympathetic activity. Hence, the autonomic nervous function has been a subject of interest in the physiological studies of Qi-training. Forty normal healthy subject were recruited and randomly assigned into intervention and placebo control group. The power sp ectrum of heart rate was examined pre and post-interventions. It was found that Qi-therapy increase the high frequency power (HF) and decreases the low frequency power (LF) and LF/HF ratio of heart rate of variability. These results support the hypothesis that Qi-therapy increase cardiac parasympathetic tone. Our study reveals that Qi-therapy in healthy young subjects increases the HF power and decreases the LF/HF ratio of HRV. These results support that Qi-therapy increases the cardiac parasympathetic tone in healthy young subjects compare to placebo control. The augmented HRV in Qi-therapy group provides further support for Qi-therapy as a possible nonpharmacological cardio-protective maneuver.

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© 2004 International Society of Life Information Science
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