High intensity interval training vs. high-volume running training during pre-season conditioning in high-level youth football: a cross-over trial - Faude, O.; Schnittker, R.; Schulte-Zurhausen, R.; Müller, F.; Meyer, T. (Journal of Sports Sciences, 2013)
Keywords: junior elite sport; youth; soccer; training; load organization; load volume; load intensity; preparation period; endurance; Great Britain; junior sports; sport games