Table 3

	Heller et al 1998	Rivera et al 1998	Markovic et al 2005	Kazemi et al 2006	Kazemi et al 2009
Country	Czech Republic	Puerto Rico	Croatia	2000 (Sydney) Olympic Games Participants	2004 (Athens) Olympic Games Participants
Gender	Males and females	Females only	Females only	Males and females	Males and females
Age	√	√	√	√	√
Height	√	√	√	√	√
Weight	√	√	√	√	√
Body fat %	√	√	√	X	X
Flexibility test	√	X	√	X	X
Agility test	X	X	√	X	X
Leg power test	√	X	√	X	X
1 min sit up test	X	X	√	X	X
Sprint test	X	X	√	X	X
Aerobic test	√	X	√	X	X

Table 3: Characteristics of studies and data available for extraction and comparison.