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Draper, G, Wright, M, Chesterton, P and Atkinson, G (2021) The tracking of internal and external training loads with next-day player-reported fatigue at different times of the season in elite soccer players. International Journal of Sports Science & Coaching, 16 (3). pp. 793-803. ISSN 1747-9541
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The Tracking of Internal and External Training Loads with Next-Day Player-Reported Fatigue at Different Times of the Season in Elite Soccer Players.pdf - Accepted Version Available under License Creative Commons Attribution Non-commercial No Derivatives. Download (968kB) | Preview |
Abstract
The aim was to assess factor structure of player-reported fatigue and quantify within-subjects association between changes in training load measures and next day player-reported fatigue at different time points of an elite football season. Using longitudinal research design, twenty-four professional footballers, mean (SD) age of 25.7 (3.4) years, were monitored during their competitive season, including pre-season. Player-reported fatigue data and session ratings of perceived exertion (session-RPE) were collected via a mobile application. Player’s Heart rate (HR) and global positioning system (GPS) data were collected daily for each player in field sessions. Principal component analysis (PCA) indicated three components with Eigenvalues above 1.0; “soreness”, “mood, and “hydration”. Within-player correlations between training load values and next day player-reported fatigue values were trivial to moderate (r ≈ −0.42 to −0.04). In-season we observed large correlations between Total Distance (TD) and PlayerLoad with Soreness (r = −0.55, 95% CI: −0.62 to −0.46; r = −.054, 95% CI: −0.62 to −0.46), but during pre-season, correlations were small (r = −0.15, 95% CI: −0.28 to −0.01; r = −0.13, 95% CI: −0.26 to 0.01). The HR TRIMP, TD and session-RPE measures each showed trivial to moderate correlations (r ≈ −0.41 to −0.08) with next day “mood”. Our in-house player-reported fatigue questionnaire was sensitive to the multi-dimensional nature of fatigue, identifying physiological (soreness), psychological (mood and stress) and nutritional (hydration and nutrition) components. We found the in-season correlations with training load to be greater than previously reported in the literature, specifically with next day player-reported “soreness”. Nevertheless, the correlations between the items of our scale and pre-season training load were small.
| Item Type: | Article |
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| Additional Information: | This is the accepted version of an item found in: International Journal of Sports Science & Coaching. Draper G, Wright M, Chesterton P, Atkinson G. The tracking of internal and external training loads with next-day player-reported fatigue at different times of the season in elite soccer players. International Journal of Sports Science & Coaching. 2021;16(3):793-803. doi:10.1177/1747954121988960 |
| Uncontrolled Keywords: | 11 Medical and Health Sciences, 17 Psychology and Cognitive Sciences |
| Subjects: | R Medicine > RC Internal medicine > RC1200 Sports Medicine |
| Divisions: | Sport & Exercise Sciences |
| Publisher: | SAGE Publications |
| Date Deposited: | 22 Sep 2021 10:54 |
| Last Modified: | 03 Nov 2021 12:26 |
| DOI or ID number: | 10.1177/1747954121988960 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/15530 |
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