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Demographic characteristics
| Variable | Mean±SD |
|---|---|
| Age (yr) | 10.5±3.15 |
| Participation (yr) | 5.2±3.3 |
| Weight (kg) | 48.7±18.8 |
| Height (cm) | 149.2±20.4 |
| Dominate side strength | |
| Shoulder IR (kg) | 21.7±4.8 |
| Shoulder ER (kg) | 44.5±6.1 |
| Shoulder abduction (kg) | 17.3±8.6 |
| Grip strength (kg) | 10.8±3.8 |
| Non-dominate side strength | |
| Shoulder IR (kg) | 17.2±6.1 |
| Shoulder ER (kg) | 40.8±6.9 |
| Shoulder abduction (kg) | 16.8±7.6 |
| Grip strength (kg) | 11.9±2.9 |
SD: standard deviation, IR: internal rotation, ER: external rotation.
