Within-subject principal component analysis of external training load and intensity measures in youth soccer training - Marynowicz, J.; Lango, M.; Horna, D.; Kikut, K.; Konefal, M.; Chmura, P.; Andrzejewski, M. (The Journal of Strength and Conditioning Research, 2023)
Keywords: junior elite sport; soccer; youth; training; training control; load; load volume; USA; junior sports; sport games