Control group | Injured group | ||||
n | M ± SD | n | M ± SD | p | |
Age | 125 | 13.3 ± 0.7 | 10 | 13.4 ± 0.7 | .486 |
Years of baseball experience | 125 | 3.9 ± 2.3 | 9 | 4.4 ± 2.1 | .477 |
The age of starting baseball | 125 | 9.4 ± 2.3 | 9 | 9.0 ± 2.2 | .604 |
Height | 125 | 160.2 ± 7.7 | 9 | 164.9 ± 7.4 | .080 |
Weight | 124 | 48.7 ± 7.6 | 9 | 55.6 ± 13.3 | .014 |
Shoulder joint external rotation-throwing side | 66 | 114.1 ± 9.9 | 3 | 115.0 ± 4.6 | .873 |
Shoulder joint external rotation-not throwing side | 66 | 112.7 ± 9.8 | 3 | 113.7 ± 2.9 | .861 |
Shoulder joint internal rotation-throwing side | 66 | 29.2 ± 10.4 | 3 | 34.0 ± 12.2 | .441 |
Shoulder joint internal rotation-not throwing side | 66 | 35.3 ± 10.2 | 3 | 34.0 ± 10.6 | .831 |
Shoulder joint horizontal adduction-throwing side | 66 | 100.9 ± 4.6 | 3 | 104.3 ± 3.2 | .209 |
Shoulder joint horizontal adduction-not throwing side | 66 | 107.9 ± 5.3 | 3 | 105.7 ± 1.2 | .479 |
Hip joint external rotation-throwing side | 66 | 59.3 ± 8.9 | 3 | 63.3 ± 10.7 | .450 |
Hip joint external rotation-not throwing side | 66 | 57.1 ± 9.1 | 3 | 62.7 ± 10.5 | .307 |
Hip joint internal rotation-throwing side | 66 | 29.8 ± 7.8 | 3 | 26.0 ± 8.7 | .421 |
Hip joint internal rotation-not throwing side | 66 | 27.6 ± 9.5 | 3 | 22.7 ± 9.3 | .384 |
Heal buttock distance-throwing side | 66 | 4.4 ± 4.8 | 3 | 5.3 ± 3.3 | .740 |
Heal buttock distance-not throwing side | 66 | 4.1 ± 4.7 | 3 | 3.5 ± 1.6 | .825 |
Long seat type body anteflexion | 66 | 41.2 ± 6.3 | 3 | 44.2 ± 8.1 | .428 |