期刊
SPORTS
卷 5, 期 1, 页码 -出版社
MDPI AG
DOI: 10.3390/sports5010012
关键词
motor skills; soccer performance; talent identification; football; training and testing
资金
- GACR [16-21791S]
The aim of this study was to investigate changes in the linear running speed (LRS) for 30 m, change of direction speed (CODS), and endurance in young elite Czech soccer players. The following tests were conducted to assess CODS and endurance: Agility 505 turning toward the dominant (A505DL) and non-dominant lower limb (A505NL); Illinois Agility Test (IAT); and intermittent test (Yo-Yo IRT1). During the soccer season, we investigated performance at the following time periods: the start (t(1)) and the end of the pre-season period (t(2)); during (t(3)) and at the end of the competitive period (t(4)). Repeated measurement analysis of variance revealed a significant effect of time period on selected fitness parameters (p < 0.05). Post hoc analysis for test A505DL revealed significant improvements of performance at t(3) (2.71 +/- 0.08 s) and t(4) (2.72 +/- 0.06 s) compared to t(1) (2.81 +/- 0.09 s). A505NL was significantly different between t(1) (2.83 +/- 0.09 s) and t(2) (2.76 +/- 0.09 s), t(3) (2.7 +/- 0.07 s) and t(4) (2.71 +/- 0.09 s). Performance of CODS at t(1) for the IAT (18.82 +/- 0.56 s) was significantly lower (p < 0.05) than any other time period (t(2) = 18.52 +/- 0.63 s, t(3) = 17.94 +/- 0.51 s, t(4) = 17.89 +/- 0.66 s). The power of LRS was significantly different at t(3) (4.99 +/- 0.15 s), and t(4) (4.98 +/- 0.17 s) compared to t(1) (5.15 +/- 0.21 s), and t(2) (5.07 +/- 0.14 s). For the Yo-Yo IRT1 test, we observed a significant increase in performance between t(1) (625.26 +/- 170.34 m), t(2) (858.95 +/- 210.55 m), and t(3) (953.68 +/- 229.88 m). These results show the impact of soccer season time period on young soccer player performance and may further serve as a basis for comparison with similar research conducted by peers. These results may aid sports practice for clinicians, conditioning coaches, soccer coaches and physiotherapeutic coaches.
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