Key result
Resistive load breathing increased respiratory period and heart rate variability, and changed respiratory sinus arrhythmia characteristics without changing heart rate.
Why the study?
Does resistive load breathing alter heart rate variability and respiratory sinus arrhythmia in healthy subjects?
Population
7 healthy subjects
Comparison
Resistive load breathing vs Imposed frequency breathing or different…
Design
Other, Four resistive loads were applied in a random order
Follow-up
8-min recording in each condition
Authors
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May alter HRV and RSA in healthy subjects; leaves open translation to patients or therapeutic use.
Does resistive load breathing alter heart rate variability and respiratory sinus arrhythmia in healthy subjects?
Resistive load breathing increases HRV and alters RSA characteristics in healthy subjects, primarily driven by load-induced changes in the respiratory period.
Calabrèse et al. (2000) studied Healthy (n=7). Resistive load breathing vs. Imposed frequency breathing was evaluated on Heart rate variability (HRV) and respiratory sinus arrhythmia (RSA). Resistive load breathing increased respiratory period and heart rate variability, and changed respiratory sinus arrhythmia characteristics without changing heart rate.
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