Effect of variable-intensity running training and circuit training on selected physiological parameters of soccer players - Ambrozy, T.; Nowak, M.; Omorczyk, J.; Wrzesniewski, K.; Ozimek, M.; Duda, H.; Mucha, D.; Ceranowicz, P.; Palka, T.; Stanula, A.; Mucha, D. (Central European Journal of Sport Sciences and Medicine, 2018)
Keywords: soccer; analysis; training; load intensity; training effect; circle training; experiment; lactate; test; sport physiology; Poland; training science; sport games