Key result
Baseline cardiac vagal modulation of heart rate was significantly correlated with the increase in maximal oxygen uptake after 12 weeks of interval-sprinting training (r = 0.58; P < 0.05).
Why the study?
Does baseline cardiac vagal activity predict the maximal oxygen uptake response to high-intensity intermittent-exercise training?
Population
32 participants (16 exercisers, 16 controls), mean age 22 ± 4.5 years, BMI 26.9 ± 3.9 kg/m².
Comparison
Interval-sprinting training 3 times a week for… vs No exercise.
Design
Cohort
Follow-up
12 weeks
Authors
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Baseline vagal modulation may identify responders to interval training; leaves open its role in guiding personalized prescriptions.
Does baseline cardiac vagal activity predict the maximal oxygen uptake response to high-intensity intermittent-exercise training?
Effect estimate: r = 0.58
p-value: p=<0.05
Baseline cardiac vagal modulation of heart rate is positively associated with the aerobic training response to 12 weeks of high-intensity intermittent exercise.
Boutcher et al. (2013) studied this question. Interval-sprinting training vs. No exercise was evaluated on Correlation between change in maximal oxygen uptake and initial baseline heart rate variability high-frequency power (r = 0.58, p=<0.05). Baseline cardiac vagal modulation of heart rate was significantly correlated with the increase in maximal oxygen uptake after 12 weeks of interval-sprinting training (r = 0.58; P < 0.05).
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