중국 기공 및 쿤달리니 요가 명상이 숙련자의 심박변이율(HRV) 변화에 미치는 영향에 관한 연구A Study on the Effects of Chinese Qigong and Kundalini Yoga Meditations on the Heart Rate Variability of Skilled Students

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In this paper, we have investigated effects of two specific meditations (Chinese qigong meditation and Kundaliniyoga meditation) on the heart rate variability (HRV), which is a well-known quantitative measure of autonomic balance, of skilled students. To analyze the effects, the MIT/BIH physionet database was utilized. The database includes RR intervals of eight skilled Chinese qigong meditators (5 women and 3 men; age range 26-35) and four skilled Kundalini yoga meditators (2 women and 2 men; age range 20-52). RR intervals of each subject were measured before and during the meditations. For HRV analysis, we have used typical four HRV parameters - the low frequency to high frequency power ratio (LF/HF ratio), SD2/SD1 ratio, sample entropy, and fractal dimension. The LF/HF ratio was calculated by the autoregressive spectrum and the SD2/SD1 ratio was derived from the Poincarè plot. The sample entropy was computed from the phase space plot and the fractal dimension was estimated by the Higuchi’s algorithm. In the experiments, the Wilcoxon signed rank test was employed because we used small datasets and compared HRV parameters before and during the meditations. As a result, we have found increment of the LF/HF and SD2/SD1 ratios in both meditations; whereas the sample entropy is decreased during the meditations. In addition, the fractal dimension is increased during the Chinese qigong meditation; whereas it is decreased during the Kundalini yoga meditation. The results show that the sympathetic nervous system is generally more activated in skilled Chinese qigong and Kundalini yoga meditators, but the activation of the parasympathetic nervous tone is suppressed.
Publisher
대한의용생체공학회
Issue Date
2012-09
Language
Korean
Citation

의공학회지, v.33, no.3, pp.141 - 147

ISSN
1229-0807
URI
http://hdl.handle.net/10203/104531
Appears in Collection
EE-Journal Papers(저널논문)
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