Key result
Supine slow breathing is linked to a higher LF/HF ratio without changing HF values.
Why the study?
The study was conducted to clarify cardiac autonomic nervous system activity during slow breathing exercises in a supine position.
Does slow breathing in a supine position alter heart rate variability in healthy young males?
Observational (n=18)
Does slow breathing in a supine position alter heart rate variability in healthy young males?
Slow breathing in a supine position increases the LF/HF ratio without changing the HF value in healthy young males, potentially due to increased airway resistance.
Answers are grounded in this paper and cite their sources.
No immediate clinical implications for patients; leaves open effects of supine slow breathing on HRV in disease states.
The purpose of this study is to clarify cardiac autonomic nervous system activity during slow breathing exercises in a supine position. Eighteen healthy young males were participated. Heart rate variability was measured for 5 minutes at rest, 5 minutes at slow breathing, and then 5 minutes at rest. As a result, the LF/HF ratio increased with slow breathing, but HF value did not change. We suggest that the increased LF/HF ratio may be due to increased airway resistance. Cardiac autonomic nervous system activity during slow breathing in the supine position was revealed.
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Kai et al. (2021) conducted an observational in Healthy (n=18). Slow breathing exercises in a supine position vs. Rest was evaluated on Heart rate variability (LF/HF ratio and HF value). Slow breathing exercises in a supine position increased the LF/HF ratio without changing the HF value in healthy young males.
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