Table 1.
Descriptive data of participants (mean ± standard deviation).
| Total (n = 185) | U14 (n = 57) | U16 (n = 87) | U18 (n = 41) | |
|---|---|---|---|---|
| Chronological age (years) | 14.88 ± 1.49 | 13.18 ± 0.59 | 15.01 ± 0.54 | 16.99 ± 0.64 |
| Peak height velocity (PHV)a | 2.08 ± 0.98 | 1.01 ± 0.61 | 2.22 ± 0.44 | 3.29 ± 0.52 |
| Pre-PHVb | 1 (0.5%) | 1 (2%) | ||
| Circa-PHVb | 26 (14.05%) | 26 (45%) | ||
| Post-PHVb | 158 (85.40%) | 30 (53%) | 87 (100%) | 41 (100%) |
| Experience (years) | 6 ± 2 | 5 ± 2 | 6 ± 2 | 8 ± 2 |
| Body mass (kg) | 57.9 ± 9.4 | 54 ± 9.5 | 58.9 ± 8.1 | 61 ± 10.2 |
| Height (cm) | 161.62 ± 6.67 | 158.96 ± 7.47 | 162.52 ± 5.56 | 163.41 ± 6.7 |
| BMI (kg/m2) | 22.1 ± 2.89 | 21.29 ± 2.99 | 22.3 ± 2.7 | 22.9 ± 2.97 |
| Throwing arm (L/R) | 12/173 | 1/56 | 5/82 | 6/35 |
Note. a Estimated biological age (Mirwald et al., 2002). b Number and percentage of participants. L: left throwing arm; R: right throwing arm.