Yo-Yo intermittent tests are a valid tool for aerobic fitness assessment in recreational football.

Published on Jan 1, 2020in European Journal of Applied Physiology3.055
· DOI :10.1007/s00421-019-04258-8
Carlo Castagna48
Estimated H-index: 48
Peter Krustrup60
Estimated H-index: 60
(University of Southern Denmark),
Susana Póvoas1
Estimated H-index: 1
(University of Southern Denmark)
Purpose To examine the suitability of three versions and two levels of the Yo-Yo intermittent tests for assessing and tracking aerobic fitness status development in male recreational football players. Sixty-six untrained participants (age 39 ± 6 years, VO2max 41.2 ± 6.2 ml kg−1 min−1, body mass 81.9 ± 10.8 kg, height 173.2 ± 6.4 cm) partook in a 12-week recreational football training program. They were evaluated during the Yo-Yo intermittent endurance level 1 (YYIE1) and 2 (YYIE2) tests and the Yo-Yo intermittent recovery level 1 test (YYIR1), and during a treadmill test for VO2max assessment, at baseline. Thirty-two out of these 66 participants replicated all these tests at post-intervention. An additional group of 30 male age-matched recreational football players that afterwards started the 12-week recreational football program (age 39 ± 6 years, VO2max 45.3 ± 5.8 ml kg−1 min−1, body mass 82.5 ± 7.8 kg, height 172.8 ± 5.4 cm) was evaluated at baseline to test cross-validation.
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