Key result
After 7 months of training, changes in normalized low-frequency HRV correlated with changes in time to peak torque (r=0.63), max lactate (r=-0.63), and VO2max (r=-0.53) (P<0.01).
Why the study?
How does heart rate variability relate to central and peripheral performance measures in athletes before and after a 7-month training period?
Population
24 athletes (17 cross-country skiers and 7 canoeists)
Comparison
7 months of training vs Baseline (before training)
Design
Cohort
Follow-up
7 months
Authors
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HRV changes may track training adaptations in athletes; leaves open whether monitoring informs individualized programs.
Observational (n=24)
How does heart rate variability relate to central and peripheral performance measures in athletes before and after a 7-month training period?
Effect estimate: r = 0.63
p-value: p=<0.01
Improved measures of peripheral and central aerobic work capacities in athletes are associated with a reduction of low-frequency HRV in the tilted position.
Hedelin et al. (2001) conducted an observational in Healthy athletes (n=24). 7 months of training vs. Baseline (before training) was evaluated on Relationships between heart rate variability (HRV) and peripheral and central performance measures (r = 0.63, p=<0.01). After 7 months of training, changes in normalized low-frequency HRV correlated with changes in time to peak torque (r=0.63), max lactate (r=-0.63), and VO2max (r=-0.53) (P<0.01).
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