The Effects of Ratio of Inhalation and Exhalation and Posture on Heart Rate Variability according to Sasang Constitution (호흡 시 호기 및 흡기 비율과 자세가 체질별 심박변이도에 미치는 영향)

Ji-Hwan Kim (김지환); Bea hyo sang (배효상); Seong-Sik Park (박성식)

doi:10.7730/JSCM.2016.28.1.40

The Effects of Ratio of Inhalation and Exhalation and Posture on Heart Rate Variability according to Sasang Constitution

Journal of Sasang Constitution and Immune Medicine
Abbr : JSCIM
2016, 28(1), pp.40~50
DOI : 10.7730/JSCM.2016.28.1.40
Publisher : The Society of Sasang Constitution and Immune Medicine
Research Area : Medicine and Pharmacy > Korean Medicine
Published : March 31, 2016

Ji-Hwan Kim ¹, Bea hyo sang ², Seong-Sik Park ²

¹가천대학교
²동국대학교

Accredited

ABSTRACT

Objectives We observed what effects both ratio of inhalation and exhalation(I/E) and posture have on heart rate variability(HRV) according to Sasang Constitution(SC). Methods HRV of 73 healthy participants who filled in self-questionnaires was recorded while they carried out 0.1Hz paced breathing(PB) with sitting, usual breathing(UB) with standing, and 0.1Hz PB with standing. PB was conducted to 4:6 or 6:4 of I/E and UB with sitting was executed before and after each breathing. Finally, HRV indices were analyzed of 60 participants(Soeum: 24, Soyang: 18, Taeeum: 18). Results & Conclusions In both self-questionnaires and HRV indices, there are not statistically significant between SC about the posture and I/E. SOEUM preferred 4:6 of I/E and showed lower mean RR and SDNN. SOYANG preferred 6:4 of I/E and showed higher mean RR and lower mean heart rate. TAEUM did not prefer I/E and showed the highest SDNN.

KEYWORDS

Heart rate Variability, Inhalation, Exhalation, Posture, Sasang Constitution.

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This paper was written with support from the National Research Foundation of Korea.

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