... Computation of YYIR2 test global means, SDs and quantiles (Figure 3) involved 116 studies/subgroups reporting on 2,478 participants (median age = 23.2 years, IQR = 20.7-26.0 years) (Young et al., 2005;De Souza et al., 2006;Krustrup et al., 2006;Thomas et al., 2006;Mohr et al., 2007Iaia et al., 2008Iaia et al., , 2015Iaia et al., , 2017Morton et al., 2009;Rampinini et al., 2010;Rebelo et al., 2010;Thomassen et al., 2010;Christensen et al., 2011;Chuman et al., 2011;Mooney et al., 2011Mooney et al., , 2013aRoberts et al., 2011;Ueda et al., 2011;Gunnarsson et al., 2012;Ingebrigtsen et al., 2012Ingebrigtsen et al., , 2013Ingebrigtsen et al., , 2014Nakamura et al., 2012;Saunders et al., 2012;Wells et al., 2012Wells et al., , 2014Bassini et al., 2013;Buchheit et al., 2013;McGawley and Andersson, 2013;Mohr and Krustrup, 2013Owen et al., 2013;Pivovarniček et al., 2013;Yuki et al., 2013;Fanchini et al., 2014;Karavelioglu et al., 2014;Lollo et al., 2014;Miloski et al., 2014;Nunes et al., 2014;Sampaio et al., 2014;Skovgaard et al., 2014; Brocherie et al., 2015a,b;Cholewa et al., 2015;Coelho et al., 2015;Gatterer et al., 2015; Hogarth et al., 2015a,b;Jamurtas et al., 2015; Krustrup and Mohr, 2015;Leme et al., 2015;Mara et al., 2015;Matta et al., 2015;McLean et al., 2015;Michalsik et al., 2015;Mohr, 2015;Rogan, 2015;Stein et al., 2015;Boer and ...