Physiologic effects of directional changes in intermittent exercise in soccer players - Dellal, A.; Keller, D.; Carling, C.; Chaouachi, A.; Wong, D. P.; Chamari, K. (The Journal of Strength and Conditioning Research, 2010)
Keywords: soccer; interval method; training method; relation; sport physiology; O2-uptake; maximum; USA; sport games