The Yo-Yo IR2 Test: Physiological response, reliability, and application to elite soccer - Krustrup, P.; Mohr, M.; Nybo, L.; Majgaard Jensen, J.; Jung Nielsen, J.; Bangsbo, J. (Medicine & Science in Sports & Exercise, 2006)
Keywords: soccer; sport physiology; test; heart rate; lactate; creatine; intermittent; USA; sport games; biological and medical sciences