The reliability of a modified 505 test and change-of-direction deficit time in elite youth football players

被引:32
作者
Taylor, Jonathan M. [1 ]
Cunningham, Louis [2 ]
Hood, Peter [1 ]
Thorne, Ben [1 ]
Irvin, Greg [2 ]
Weston, Matthew [3 ]
机构
[1] Middlesbrough Football Club, Middlesbrough, Cleveland, England
[2] Sunderland AFC, Sunderland, England
[3] Teesside Univ, Dept Psychol Sport & Exercise, Middlesbrough, Cleveland, England
关键词
Peak height velocity; soccer; fitness testing; variability; TEST-RETEST RELIABILITY; PEAK HEIGHT VELOCITY; PHYSICAL PERFORMANCE; SPEED; POWER;
D O I
10.1080/24733938.2018.1526402
中图分类号
G8 [体育];
学科分类号
04 ; 0403 ;
摘要
Change-of-direction ability is an important performance skill in football. Consequently, several testing protocols are used to assess this component. This study assessed the test-retest reliability of a modified 505 test (M505) and the change-of-direction deficit (CODD) in elite youth football players. Data were collected from 110 players from the Under [u] 12-18 years age groups (u18 n = 26, u16 n = 26, u14 n = 39, u12 n = 19) within two English Premier League Category 1 Football Academies. Players completed the M505 twice in 7-days, and a 10-m sprint test for CODD calculation. Reliability was assessed with respect to chronological and biological age (according to PHV status). Typical error (%), minimal detectable change (MDC) (%) and intraclass correlation coefficients (ICCs) were calculated. Typical errors in M505 were moderate to large (2.0-3.2%), while ICCs ranged from low to high (r = 0.26-0.82). Typical errors in CODD were moderate to large (7.1-12.0%), with low to high ICC's (r = 0.19-0.79). MDC's were 5.5 to 8.9% in M505 and 17.7 to 33.3% in CODD. The typical errors and MDC's observed indicate that the M505 and CODD tests have limited practical utility in elite youth football players.
引用
收藏
页码:157 / 162
页数:6
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