Yo-Yo IR2 testing of elite and sub-elite soccer players: Performance, heart rate response and correlations to other interval tests |
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| Authors: | Jørgen Ingebrigtsen Mads Bendiksen Morten Bredsgaard Randers Carlo Castagna Peter Krustrup Andreas Holtermann |
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| Institution: | a Centre of Practical Knowledge, Department of Sports , University of Nordland , Bod? , Norway. |
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| Abstract: | Abstract We examined performance, heart rate response and construct validity of the Yo-Yo IR2 test by testing 111 elite and 92 sub-elite soccer players from Norway and Denmark. VO(2)max, Yo-Yo IR1 and repeated sprint tests (RSA) (n?=?51) and match-analyses (n?=?39) were also performed. Yo-Yo IR2 and Yo-Yo IR1 performance was 41 and 25% better (P??0.05). For top-teams, Yo-Yo IR2 performance (28%) and sprinting distance (25%) during match were greater (P?
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