Control group | Injured group | ||||
n | M ± SD | n | M ± SD | p | |
Age | 272 | 16.2 ± 0.7 | 31 | 16.3 ± 0.6 | .747 |
Years of baseball experience | 270 | 7.7 ± 1.9 | 31 | 7.7 ± 2.5 | .871 |
The age of starting baseball | 270 | 8.5 ± 1.8 | 31 | 8.6 ± 2.3 | .760 |
Height | 272 | 172.1 ± 5.7 | 31 | 170.8 ± 4.5 | .193 |
Weight | 269 | 64.8 ± 7.2 | 31 | 62.7 ± 5.4 | .120 |
Shoulder joint external rotation-throwing side | 123 | 120.9 ± 11.7 | 8 | 117.5 ± 13.7 | .435 |
Shoulder joint external rotation-not throwing side | 123 | 116.4 ± 11.0 | 8 | 119.9 ± 8.0 | .387 |
Shoulder joint internal rotation-throwing side | 123 | 27.3 ± 11.0 | 8 | 24.8 ± 9.7 | .533 |
Shoulder joint internal rotation-not throwing side | 123 | 37.7 ± 12.2 | 8 | 44.8 ± 10.4 | .114 |
Shoulder joint horizontal adduction-throwing side | 122 | 98.9 ± 7.7 | 8 | 94.0 ± 7.8 | .082 |
Shoulder joint horizontal adduction-not throwing side | 123 | 107.4 ± 12.1 | 8 | 104.9 ± 3.6 | .550 |
Hip joint external rotation-throwing side | 72 | 59.7 ± 11.6 | 5 | 63.6 ± 10.6 | .467 |
Hip joint external rotation-not throwing side | 72 | 60.6 ± 9.8 | 5 | 66.8 ± 8.6 | .172 |
Hip joint internal rotation-throwing side | 72 | 33.4 ± 8.8 | 5 | 30.0 ± 9.3 | .405 |
Hip joint internal rotation-not throwing side | 72 | 33.1 ± 8.8 | 5 | 33.4 ± 10.8 | .933 |
Heal buttock distance-throwing side | 72 | 15.3 ± 4.4 | 5 | 13.6 ± 5.2 | .419 |
Heal buttock distance-not throwing side | 72 | 15.2 ± 4.5 | 5 | 14.8 ± 3.9 | .863 |
Long seat type body anteflexion | 100 | 45.9 ± 7.5 | 10 | 45.0 ± 13.0 | .736 |