Key result
The novel sympathetic:parasympathetic (S:PS) ratio demonstrated a strong inverse correlation with rMSSD (R2 = 0.95) and SDNN (R2 = 0.94), providing a new index for assessing autonomic balance.
Why the study?
Do the novel stress score and sympathetic:parasympathetic ratio correlate with standard heart-rate variability parameters in professional soccer players?
Population
25 professional Spanish soccer players from the same team
Comparison
Calculation of two new heart-rate variability… vs Standard time-domain and Poincaré-plot HRV…
Design
Cross-sectional
Authors
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The S:PS ratio was associated with standard HRV metrics in soccer players; leaves open utility for training or clinical decisions.
Cohort (n=25)
No
Do the novel stress score and sympathetic:parasympathetic ratio correlate with standard heart-rate variability parameters in professional soccer players?
Effect estimate: R2 = 0.95
The novel stress score and sympathetic:parasympathetic ratio correlate strongly with standard HRV parameters, potentially simplifying the interpretation of autonomic balance in athletes.
Orellana et al. (2014) conducted a cohort in Healthy (Elite Soccer Players) (n=25). Heart-rate variability monitoring (Poincaré-plot analysis) was evaluated on Correlation between the sympathetic:parasympathetic (S:PS) ratio and standard HRV parameters (e.g., rMSSD) (R2 = 0.95). The novel sympathetic:parasympathetic (S:PS) ratio demonstrated a strong inverse correlation with rMSSD (R2 = 0.95) and SDNN (R2 = 0.94), providing a new index for assessing autonomic balance.
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