Playing not once, not twice but three times in a day: the effect of fatigue on performance in junior tennis players

Nathanial Maraga, Rob Duffield, Danielle Gescheit, Thomas Perri and Machar Reid

International Journal of Performance Analysis in Sport, 2018, vol. 18, issue 1, 104-114

Abstract: This study examined physical and perceptual responses to multiple daily tennis matches. Six junior males completed 3 × 90 min singles matches, each separated by 45 min recovery. Physical capacity (agility, countermovement jump [CMJ]), shoulder internal and external rotation (IR, ER), serve performance, creatine kinase (CK) and perceptual (soreness, pain and fatigue) measures were performed before match 1 and following each match. During matches, distances and speeds covered, stroke count and stroke acceleration magnitudes were assessed. Between-match changes (effect size ±90% confidence interval [CI]) ≥75% likely to exceed the smallest important effect size (ES = .20) were considered practically important. Movement distance (−.63 ± .90, 81% likely) and mean speed (−.61 ± .82, 82% likely) decreased only in match 2. Total strokes played also reduced in match 2 (−11.0 ± 17.7, 84% likely), without changes in stroke acceleration magnitudes. Serve accuracy declined post-match 3 (.76 ± 1.15, 81% likely), though speed did not change. CMJ height was unchanged, though shoulder IR and ER declined (−.57 ± .44, 92% likely), as did agility (.75 ± .35, 99% likely) by post-match 3. CK, pain, fatigue and soreness ratings increased throughout. Same-day tennis matches impair physical capacities and increase fatigue and soreness. Between-match fluctuations in stroke count and movement also infer altered technical elements of match-play.

Date: 2018
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DOI: 10.1080/24748668.2018.1452110

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