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发帖数: 9616 | 1 http://www.ncbi.nlm.nih.gov/pubmed/16287348
J Strength Cond Res. 2005 Nov;19(4):805-9.
Competitive-level differences in Yo-Yo intermittent recovery and twelve
minute run test performance in soccer referees.
Castagna C, Abt G, D'Ottavio S.
Source
School of Sport and Exercise Sciences, Faculty of Medicine and Surgery,
University of Rome Tor Vergata, Rome, Italy. c***********[email protected]
Abstract
The aim of this study was to examine yo-yo intermittent recovery test (Yo-Yo
test) and 12-minute run test (12MRT) performances in experienced soccer
referees of different competitive levels. Three groups (n = 14 each) of
experienced Italian soccer referees officiating in the first (series AB, top
-level), third (series C, medium-level), and fourth (series D, low-level)
division, were randomly submitted to the 12MRT and the Yo-Yo test during 2
testing sessions, 48-hours apart. 12MRT performances were 3,000 +/- 112 m; 2
,894 +/- 99 m; and 2,896 +/- 171 m for top-level, medium-level and low-level
referees, respectively (p > 0.05). In the Yo-Yo test, the top-level, medium
-level, and low-level referees covered 1,874 +/- 431 m; 1,360 +/- 172 m; and
1,272 +/- 215 m, respectively. The test performances of top-level referees
in the Yo-Yo test was significantly different from those scored by medium-
level and low-level referees (p < 0.05). After the Yo-Yo test, blood lactate
concentrations (BLC) were higher in the medium-level and low-level referees
compared with the top-level referees (p < 0.05). The results of the present
study show that the Yo-Yo test and not the 12MRT can discriminate endurance
performance in experienced elite level soccer referees. With respect to its
discriminative and match performance validity, the Yo-Yo test may be
considered a relevant field test to assess endurance preparedness for
experienced soccer referees and a useful tool in talent selection. |
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