Key result
Resting heart rate strongly inversely correlates with VO2peak as a potential surrogate for cardiorespiratory fitness.
Why the study?
Peak oxygen uptake is the most reliable parameter for evaluating cardiorespiratory fitness, but access is limited, prompting the exploration of more accessible heart rate variables.
Do heart rate indices measured during rest, exercise transition, and recovery correlate with VO2peak in healthy men?
Population
Thirteen healthy men
Comparison
Heart rate responses during rest, exercise, and recovery compared with VO2peak
Authors
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May support resting HR as surrogate for VO2peak when direct testing is unavailable; leaves open prospective validation before clinical adoption.
Cross-Sectional (n=13)
No
Do heart rate indices measured during rest, exercise transition, and recovery correlate with VO2peak in healthy men?
Effect estimate: r = -0.78
p-value: p=0.001
Resting heart rate parameters, heart rate variability, and heart rate recovery show significant correlations with VO2peak, suggesting they can be useful alternatives for assessing cardiorespiratory fitness when direct measurement is not feasible.
Ribeiro et al. (2023) conducted a cross-sectional in Healthy (n=13). Heart rate indices (resting HR, HRV, rHRI, HRR) was evaluated on Correlation between resting heart rate and VO2peak (r = -0.78, p=0.001). Resting heart rate demonstrated a strong negative correlation with VO2peak (r = -0.78, p=0.001), indicating its potential as a surrogate marker for cardiorespiratory fitness.
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