Game demands of seven-a-side soccer in young players - Barbero-Alvarez, J. C.; Gómez-López, M.; Castagna, C.; Barbero-Alvarez, V.; Romero, D. V.; Blanchfield, A. W.; Nakamura, F. Y. (The Journal of Strength and Conditioning Research, 2017)
Keywords: performance requirement; soccer; training means; junior elite sport; USA; junior sports; sport games