Table 1

Baseline characteristics by study group

Control (n=80)
Mean (SD)
Frequency (%)
Regular (n=68)
Mean (SD)
Frequency (%)
Comprehensive (n=78)
Mean (SD)
Frequency (%)
Anthropometrics
 Height (cm)164.4 (5.9)162.9 (7.6)165 (6.5)
 Weight (kg)60 (7.9)58.9 (10.4)58.7 (6.6)
Age group
 U1618 (22.5)18 (26.5)45 (57.7)
 U1862 (77.5)50 (73.5)33 (42.3)
Playing level
 Tier 152 (65)6 (8.8)23 (29.5)
 Tier 214 (17.5)039 (50)
 Tier 314 (17.5)62 (91.2)16 (20.5)
Kicking leg
 Right73 (91.3)64 (94.1)68 (87.2)
 Left7 (8.3)4 (5.9)10 (12.8)
Previous injury*16 (20)5 (7.4)10 (12.8)
  • *Back or lower extremity injury in the 6 weeks prior to study start.