Abstract
Purpose: To quantify the relationship between daily training load and a range of potential measures of fatigue in elite soccer players during an in-season competitive phase (17 d). Methods: Total high-intensity-running (THIR) distance, perceived ratings of wellness (fatigue, muscle soreness, sleep quality), countermovement-jump height (CMJ), postexercise heart-rate recovery (HRR), and heart-rate variability (Ln rMSSD) were analyzed during an in-season competitive period (17 d). General linear models were used to evaluate the influence of daily fluctuation in THIR distance on potential fatigue variables. Results: Fluctuations in fatigue (r =-.51, large, P < .001), Ln rMSSD (r =-.24, small, P = .04), and CMJ (r = .23, small, P = .04) were significantly correlated with fluctuations in THIR distance. Correlations between variability in muscle soreness, sleep quality, and HRR and THIR distance were negligible and not statistically significant. Conclusions: Perceived ratings of fatigue and Ln rMSSD were sensitive to daily fluctuations in THIR distance in a sample of elite soccer players. Therefore, these particular markers show promise as simple, noninvasive assessments of fatigue status in elite soccer players during a short in-season competitive phase.
| Original language | English |
|---|---|
| Pages (from-to) | 958-964 |
| Number of pages | 7 |
| Journal | International journal of sports physiology and performance |
| Volume | 10 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - Nov 2015 |
Bibliographical note
Publisher Copyright:© 2015 Human Kinetics, Inc.
Keywords
- Performance
- Recovery
- Training load
- Wellness
ASJC Scopus subject areas
- Orthopedics and Sports Medicine
- Physical Therapy, Sports Therapy and Rehabilitation
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