Reliability and validity of Yo-Yo tests in 9- to 16-year-old football players and matched non-sports active schoolboys - Póvoas, Susana C. A.; Castagna, Carlo; Soares, José M. C.; Silva, Pedro M. R.; Lopes, Mariana V. M. F.; Krustrup, Peter (European journal of sport science, 2016)
Keywords: Adolescent; aerobic endurance; Athletic Performance - physiology; Child; Exercise Test - methods; Exercise Test - standards; Football - physiology; heart rate; Heart Rate - physiology; HIIT; Humans; intense intermittent exercise; Male; Reliability; Reproducibility of Results; youth football; heart rate; aerobic endurance; intense intermittent exercise; Reliability; youth football; HIIT