Yo-Yo intermittent tests are a valid tool for aerobic fitness assessment in recreational football.
Carlo CastagnaPeter KrustrupSusana Cristina Araújo PóvoasPublished in: European journal of applied physiology (2019)
The Yo-Yo tests considered here showed robust and consistent criterion validity. The YYIE2 could be a more accurate option to track aerobic fitness development in recreational football players.