TABLE 1.
Descriptive characteristics of 23 soccer players under 16.
| Variables | Mean ± SD | Confidence interval 95% |
| Body height (cm) | 172.7 ± 4.2 | (171–174.4) |
| Body mass (kg) | 61.3 ± 5.6 | (59–63.6) |
| Sitting height (cm) | 96.6 ± 2.1 | (91.8–93.4) |
| Age at PHV (years) | 13.6 ± 0.4 | (13.5–13.7) |
| Maturity offset (years) | 1.9 ± 0.3 | (1.7–2.0) |
| Chronological age (years) | 15.5 ± 0.2 | (15.3–15.5) |
| Training experience (years) | 6.2 ± 1.6 | (5.6–6.9) |
| VO2max (mL kg–1⋅min–1) | 48.4 ± 2.6 | (47.3–49.4) |
| Body fat (%) | 13.7 ± 3.9 | (12.1–15.3) |
PHV, peak height velocity; VO2max, maximal oxygen consumption.