Table 1.

List of studies exploring correlation of ACTN3 gene with sports performance

Year	Study authors	Population tested	Number of athletes tested (athletes/controls)
2003	Yang [9]	Australia	301/436
2005	Niemi [20]	Finnish	68/120
2007	Yang [21]	Ethiopia	76/198
		Kenya	284/158
		Nigeria	62/60
2007	Paparini [17]	Italian	42/102
2008	Papadimitriou [16]	Greek	101/181
2008	Druzhevskaya [22]	Russia	486/1197
2008	Ahmetov [6]	Russia	456/1211
2010	Doring [23]	German, Finnish and North American	305/292
2010	Muniesa [24]	Spanish	141/123
2010	Ruiz [25]	Spanish	153/100
2010	Shang [26]	China	250/450
2011	Chiu [15]	Taiwan	168/603
2011	Gineviciene [27]	Lithuania	193/250
2012	Kikuchi [28]	Japan	135/333