“…Age, gender, activity, difficulty, prior skill, definitions and analytic methods differ between studies, with no overall patterns apparent. Climbing and mountaineering have been studied most frequently, with at least 15 analyses in the past three decades (Berger & Greenspan, 2008;Bratton et al, 1979;Breivik, 1996;Carnicelli-Filho, Schwartz, & Tahra, 2010;Delle Fave, Bassi, & Massimini, 2003;Ewert, 1985Ewert, , 1993Ewert, , 1994Feher, Meyers, & Skelly, 1998;Kiewa, 2001;McIntyre, 1992;Mitchell, 1983;Pomfret, 2011;Rossi & Cereatti, 1993). There are ≥11 analyses of whitewater rafting and kayaking (Arnould & Price, 1993;Arnould et al, 1999;Carnicelli-Filho et al, 2010;Cater, 2006;Cater & Cloke, 2007;Fluker & Turner, 2000;Holyfield, 1999;Holyfield & Fine, 1997;Jones, Hollenhorst, Perna, & Selin, 2000;McGillivray & Frew, 2007;Wu & Liang, 2011); 2≥7 of skydiving and parachuting (Allman et al, 2009;Carnicelli-Filho et al, 2010;Celsi, Rose, & Leigh, 1993;Klausner, 1967;Lau-rendeau, 2006;Lipscombe, 1999;Lyng & Snow, 1986); ≥6 of surfing and sailboarding (Buckley, 2002a(Buckley, , 2002bDolnicar & Fluker, 2003;Farmer, 1992;Irwin, 1973;…”