Key result
Higher daily heart rate variability fluctuation (lnRMSSDcv) was associated with greater perceived fatigue (r=-0.55) and lower fitness (r=-0.65) in collegiate female soccer players.
Why the study?
Does varying training load affect daily heart rate variability and correlate with fatigue and fitness in collegiate female soccer players?
Population
Collegiate female soccer players (N=10)
Design
Cohort
Follow-up
2 consecutive weeks
Authors
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HRV fluctuation monitoring may aid fatigue assessment in female soccer players but should not yet change practice; hypothesis-generating and needs prospective validation.
Observational (n=10)
Does varying training load affect daily heart rate variability and correlate with fatigue and fitness in collegiate female soccer players?
Effect estimate: r=-0.55 (fatigue), r=-0.65 (fitness) (95% CI -0.84 to -0.003 (fatigue), -0.89 to -0.15 (fitness) [90% CL])
In collegiate female soccer players, greater fluctuations in daily heart rate variability are associated with higher perceived fatigue and lower fitness levels.
Flatt et al. (2017) conducted an observational in Training load monitoring in athletes (n=10). High training load vs. Low training load and baseline was evaluated on Daily HRV (lnRMSSD) trends and relationship between lnRMSSD fluctuation (lnRMSSDcv) and psychometric/fitness parameters (r=-0.55 (fatigue), r=-0.65 (fitness), 95% CI -0.84 to -0.003 (fatigue), -0.89 to -0.15 (fitness) [90% CL]). Higher daily heart rate variability fluctuation (lnRMSSDcv) was associated with greater perceived fatigue (r=-0.55) and lower fitness (r=-0.65) in collegiate female soccer players.
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