Table 1 Main demographic characteristics of the participants
| Â | Under-16 | Under-19 | Overall |
|---|---|---|---|
Sample size (N) | 30 | 30 | 60 |
Age (years) | 16.3 ± 0.3 | 17.6 ± 0.3 | 17.0 ± 0.7 |
Body mass (kg) | 62.1 ± 6.7 | 64.4 ± 7.1 | 63.3 ± 7.0 |
Height (cm) | 175.2 ± 4.6 | 176.5 ± 5.3 | 175.9 ± 5.0 |
Soccer experience (years) | 5.1 ± 0.9 | 6.8 ± 1.2 | 6.0 ± 1.4 |