McMaster, Daniel Travis The development, retention and decay rates of strength and power in elite rugby union, rugby league and American football: a systematic review. [electronic resource] - Sports medicine (Auckland, N.Z.) May 2013 - 367-84 p. digital Publication Type: Journal Article; Review; Systematic Review ISSN: 1179-2035 Standard No.: 10.1007/s40279-013-0031-3 doi Subjects--Topical Terms: Athletic Performance--physiologyFootball--physiologyHumansMuscle Strength--physiologyResistance Training