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Open AccessArticle

The Relationship between Change of Direction Tests in Elite Youth Soccer Players

1
Department of Sport Science, Germany University of Health & Sport, 85737 Ismaning, Germany
2
DSC Arminia Bielefeld e. V, 33615 Bielefeld, Germany
3
Sport and Exercise Sciences, University of Applied Sciences, 2700 Wiener Neustadt, Austria
4
Institute of sport science, Johann Wolfgang Goethe-University, 60323 Frankfurt/Main, Germany
*
Author to whom correspondence should be addressed.
Sports 2019, 7(5), 111; https://doi.org/10.3390/sports7050111
Received: 30 March 2019 / Revised: 7 May 2019 / Accepted: 9 May 2019 / Published: 14 May 2019
(This article belongs to the Special Issue Strength Training in Sprint Sports)
Change of direction (COD) is a performance-limiting factor in team sports. However, there are no exact definitions describing which physical abilities limit COD performance in soccer. Nevertheless, different COD tests are used or have been recommended as being equally effective in the professional practice of measuring COD performance. Therefore, the aim of this study was to evaluate the relationship between different COD tests, and to test the independence and generalizability of these COD tests in soccer. As such, 27 elite youth soccer players were randomly recruited and were tested in different COD tests (i.e., Illinois agility test (IAT), T agility test (TT), 505 agility test (505), Gewandtheitslauf (GewT), triangle test (Tri-t), and square test (SQT)). Bivariate Pearson correlation analysis was used to assess the relationships between the COD tests. The Benjamini–Hochberg method was used to control for the false discovery rate of the study at 0.05. This investigation calculated explained variances of 10% to 55% between performances in the different COD tests. This suggested that the tests covered different aspects or task-specific characteristics of the COD. Therefore, coaches and sport scientists should review and select different tests with a logical validity, based on the requirement profiles of the corresponding sport. View Full-Text
Keywords: 505; COD performance; COD tests; Gewandtheitslauf; Illinois agility test; soccer players; square test; T test; triangle test 505; COD performance; COD tests; Gewandtheitslauf; Illinois agility test; soccer players; square test; T test; triangle test
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Kadlubowski, B.; Keiner, M.; Hartmann, H.; Wirth, K.; Frick, U. The Relationship between Change of Direction Tests in Elite Youth Soccer Players. Sports 2019, 7, 111.

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