TABLE 3.
Injured Players | Uninjured Players | ||||
---|---|---|---|---|---|
Injured Limb (n = 31) | Uninjured Limb (n = 31) | P Value | Uninjured Limb (n = 228) | P Value | |
Anthropometric measurement | |||||
Height of navicular tubercle, cm | 4.9 ± 0.6 | 5.0 ± 0.6 | .41 | 4.8 ± 0.7 | .30 |
Joint range of motion, deg | |||||
Knee extension angle | 3.8 ± 5.2 | 3.2 ± 5.0 | .62 | 2.8 ± 4.5 | .25 |
Ankle dorsal flex angle | 40.4 ± 7.1 | 40.4 ± 5.7 | .85 | 39.6 ± 6.3 | .50 |
Hip internal rotation angle | 36.4 ± 6.6 | 36.1 ± 5.7 | .85 | 35.4 ± 8.5 | .54 |
Muscle flexibility tests results | |||||
Iliopsoas | 5.9 ± 4.0 | 5.7 ± 3.4 | .78 | 5.2 ± 2.9 | .26 |
Quadriceps | 26.7 ± 6.7 | 28.0 ± 7.1 | .46 | 25.8 ± 4.8 | .39 |
Hamstring | 20.1 ± 9.1 | 19.6 ± 8.4 | .85 | 17.7 ± 8.3 | .40 |
Gastrocnemius | 13.0 ± 3.9 | 12.4 ± 4.7 | .62 | 12.5 ± 4.2 | .58 |
Soleus | 22.2 ± 5.3 | 21.1 ± 5.9 | .55 | 21.4 ± 5.6 | .47 |
Muscle strength tests | |||||
Knee extension | |||||
Isometric, N·m | 222.7 ± 36.5 | 223.6 ± 50.9 | .92 | 237.7 ± 52.3 | .12 |
Normalized isometric, N·m/kg | 3.3 ± 0.4 | 3.3 ± 0.5 | .84 | 3.5 ± 0.7 | .22 |
Knee flexion | |||||
Isometric, N·m | 114.9 ± 22.9 | 115.4 ± 24.9 | .96 | 115.3 ± 24.5 | .92 |
Normalized isometric, N·m/kg | 1.7 ± 0.3 | 1.7 ± 0.3 | .97 | 1.7 ± 0.3 | .71 |
Hip abduction | |||||
Isometric, N·m | 153.2 ± 32.2 | 158.8 ± 37.3 | .62 | 167.4 ± 34.0 | .03 |
Normalized isometric, N·m/kg | 2.3 ± 0.5 | 2.4 ± 0.5 | .63 | 2.5 ± 0.4 | .05 |
Balance test | |||||
Center of pressure in single-leg balance, mm | 461.6 ± 93.9 | 479.4 ± 148.9 | .58 | 463.3 ± 144.8 | .93 |
a Data are presented as mean ± SD. Bold P value indicates a statistically significant difference vs the injured limb (P < .05).