Key result
Endurance training status was significantly correlated with resting R-R interval range (r2=0.497, p<0.01), though initial baroreflex responsiveness varied widely regardless of fitness level.
Cross-Sectional (n=15)
Effect estimate: r2 = 0.497
p-value: p=<0.01
Initial carotid-cardiac baroreflex responsiveness varies among healthy men and must be considered when assessing the effect of exercise training on baroreflex function.
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Baseline baroreflex variability warrants consideration in fitness assessments; leaves open causal training effects on baroreflex function.
Savard et al. (1995) conducted a cross-sectional in Healthy (n=15). Endurance training status vs. Untrained status was evaluated on Carotid-cardiac baroreflex responsiveness (RRI range and maximal gain) (r2 = 0.497, p=<0.01). Endurance training status was significantly correlated with resting R-R interval range (r2=0.497, p<0.01), though initial baroreflex responsiveness varied widely regardless of fitness level.
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