Key result
Progressively increased training load for 6-9 weeks did not change intrinsic heart rate or autonomic modulation, but altered resting heart rate compared to controls (interaction p<0.01).
Why the study?
Does exhaustive endurance training for 6-9 weeks alter intrinsic heart rate and cardiac autonomic modulation in female athletes?
Population
15 female athletes (9 in endurance training group, 6 in control group)
Comparison
Progressively increased training load for 6-9… vs Control female athletes with training volume…
Design
Cohort
Follow-up
6-9 weeks
Authors
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Exhaustive training does not alter intrinsic heart rate or autonomic modulation in female athletes; leaves open mechanisms underlying resting heart rate shifts.
Cohort (n=15)
Does exhaustive endurance training for 6-9 weeks alter intrinsic heart rate and cardiac autonomic modulation in female athletes?
Exhaustive endurance training and overtraining in female athletes do not significantly alter intrinsic heart rate or cardiac autonomic modulation, despite decreases in VO2max in overtrained states.
Uusitalo et al. (1998) conducted a cohort in Endurance training (n=15). Progressively increased training load vs. Standard training (5% and 10% increases) was evaluated on Intrinsic heart rate (IHR) and cardiac autonomic modulation (Abal). Progressively increased training load for 6-9 weeks did not change intrinsic heart rate or autonomic modulation, but altered resting heart rate compared to controls (interaction p<0.01).
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