Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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Žebeljan, I; Lučovnik, M; Dinevski, D; Lackner, HK; Moertl, MG; Vesenjak, Dinevski, I; Mujezinović, F.
Effect of Prenatal Yoga on Heart Rate Variability and Cardio-Respiratory Synchronization: A Prospective Cohort Study.
J Clin Med. 2022; 11(19):
Doi: 10.3390/jcm11195777
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- Co-Autor*innen der Med Uni Graz
- Lackner Helmut Karl
- Mörtl Manfred Georg
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- Abstract:
- The objective was to assess the effects of prenatal yoga on heart rate variability (HRV) and cardio-respiratory synchronization, used as proxies of autonomic nervous system activity. Sixty-nine healthy pregnant women were included; 33 in a yoga group attending at least one 90-min yoga class weekly throughout pregnancy, and 36 controls not involved in formal pregnancy exercise programs. Measurements of the time domain (SDNN, standard deviation of regular R-R intervals, and RMSSD, square root of mean squared differences of successive R-R intervals) and frequency domain (ln(LF/HF), natural logarithm of low-frequency to high-frequency power) HRV indices, as well as cardio-respiratory synchronization indexes were performed once per trimester before and after yoga or 30-min moderate-intensity walk. A statistical comparison was performed using a three-way analysis of the variance (p < 0.05 significant). Both the time domain and frequency domain HRV indices showed significant shifts towards parasympathetic dominance following yoga when compared to the controls throughout pregnancy (p = 0.002 for SDNN, p < 0.001 for RMSSD, and p = 0.006 for ln(LF/HF), respectively). There was a statistically non-significant trend towards higher synchronization between respiratory frequency and heart rate following yoga vs. controls (p = 0.057). Regular prenatal yoga was associated with enhanced parasympathetic activation persisting throughout pregnancy.
- Find related publications in this database (Keywords)
- pregnancy
- yoga
- heart rate variability
- cardio-respiratory synchronization
- autonomic nervous system