Table 2.

Comparative results of the lower limb parameters between the injured and uninjured limbs of injured players

	Injured players(n = 25)
	Injured limb (n = 25)	Uninjured limb (n = 25)	p value
< muscle flexibility tests >
iliopsoas muscle flexibility, degree	7.9 ± 3.2	7.8 ± 3.4	0.88
quadriceps muscle flexibility, degree	26.7 ± 6.7	28.0 ± 7.1	0.46
hamstring muscle flexibility, degree	25.3 ± 9.3	24.4 ± 8.3	0.50
gastrocnemius muscle flexibility, degree	9.8 ± 4.4	10.5 ± 4.1	0.17
soleus muscle flexibility, degree	17.8 ± 6.1	17.6 ± 5.5	0.86
< joint range of motion >
hip internal rotation angle, degree	36.2 ± 8.9	35.0 ± 8.0	0.32
knee extension angle, degree	0.12 ± 5.4	1.56 ± 4.9	0.09
ankle dorsal flex angle, degree	49.5 ± 5.5	46.7 ± 4.8	0.32
< muscle strength tests >
isometric knee extension, Nm	240.0 ± 43.7	227.1 ± 51.8	0.18
isometric knee extension / BW, Nm/kg	298.4 ± 56.3	280.8 ± 63.7	0.14
isometric knee flexion, Nm	111.6 ± 28.3	112.4 ± 29.7	0.86
isometric knee flexion / BW, Nm/kg	141.8 ± 35.0	142.1 ± 36.1	0.96
H/Q	0.47 ± 0.11	0.50 ± 0.11	0.30
isometric hip abduction, Nm	181.5 ± 32.9	185.1 ± 33.2	0.26
isometric hip abduction / BW, Nm/kg	231.4 ± 44.5	236.2 ± 45.7	0.27
< balance tests >
COP in single-leg balance, mm	496.5 ± 153.3	489.2 ± 117.7	0.73

BW: body weight, H/Q: hamstring to quadriceps strength ratio

* : significant difference (p < 0.05)

The data are presented as average ± standard deviation