Table 2.
Baseline physical fitness data for LST and CODST according to age categories (U15, U17, U19). Data are means ± SDs and 90% confidence intervals.
| LST (n = 28) (mean ± SD) [CI] |
CODST (n = 27) (mean ± SD) [CI] |
Difference (mean ± SD) [CI] | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Variables | U15 (n = 10) | U17 (n = 9) | U19 (n = 9) | U15 (n = 9) | U17 (n = 9) | U19 (n = 9) | U15 LST - U15 CODST | U17 LST - U17 CODST | U19 LST - U19 CODST |
| MAS (Km.h−1) | 16.5 ± 0.0 [15.33–16.73] | 18.1 ± 0.2 € [16.35–18.46] | 16.9 ± 1.0 $£ [16.08–17.4] | 16.0 ± 0.0 [15.58–16.27 | 16.6 ± 0.4 [15.58–16.88] | 16.7 ± 0.1 [16.29–17.54] | −0.5 ± 0.29 [-1.04–0.02] | −1.53 ± 0.41 [-1.65–0.18] | −0.28 ± 0.57 [-0.88–1.24] |
| CMJ (cm) | 26.7 ± 3.3 [24.67–28.74] | 29.7 ± 4.2 € [26.94–32.45] | 32.9 ± 3.9 $£ [30.35–35.58] | 28.9 ± 2.5 [27.25–30.54] | 34.5 ± 2.9 € [32.59–36.45] | 36.6 ± 4.1 $£ [33.86–39.3] | 2.19 ± 1.28 [-0.16–4.55] | 4.82 ± 1.59 [1.85–7.78] | 3.61 ± 2.59 [-1.21–8.44] |
| SP5 (s) | 1.21 ± 0.07 [1.16–1.25] | 1.14 ± 0.06 € [1.08–1.19] | 1.20 ± 0.09 [1.14–1.25] | 1.19 ± 0.07 [1.14–1.23] | 1.17 ± 0.08 [1.11–1.21] | 1.20 ± 0.08 $ [1.14–1.25] | −0.02± −0.03 [-0.07–0.04] | 0.03 ± 0.042 [-0.05–0.1] | 0.00 ± 0.036 [-0.06–0.06] |
| SP10 (s) | 2.06 ± 0.09 [1.99–2.11] | 1.95 ± 0.09 € [1.88–2] | 1.94 ± 0.09 £ [1.87–1.99] | 2.03 ± 0.10 [1.96–2.09] | 1.93 ± 0.10 € [1.86–1.99] | 1.94 ± 0.11 £ [1.85–2] | −0.03 ± 0.03 [-0.08–0.25] | −0.02 ± 0.047 [-0.18–0.16] | −0.03 ± 0.49 [-0.09–0.09] |
| SPS5 (s) | 1.30 ± 0.22 [1.16–1.43] | 1.22 ± 0.09 € [1.16–1.28] | 1.23 ± 0.06 [1.18–1.26] | 1.19 ± 0.03 [1.16–1.2] | 1.20 ± 0.09 [1.14–1.26] | 1.22 ± 0.09 [1.15–1.27] | −0.11 ± 0.07 [-0.26–0.028] | −0.02 ± 0.45 [-0.1 – 0.06] | −0.01 ± 0.038 [-0.08–0.06] |
| SPS10 (s) | 2.28 ± 0.08 [2.15–2.4] | 2.13 ± 0.11 [2.05–2.2] | 2.07 ± 0.12 $ [1.99–2.14] | 2.21 ± 0.03 [2.18–2.22] | 2.12 ± 0.09 € [2.06–2.17] | 2.10 ± 0.10 £ [2.03–2.17] | 0.11 ± 0.07 [-0.23–0.01] | −0.01 ± 0.051 [-0.1–0.08] | −0.03 ± 0.05 [-0.06–0.13] |
CODST = change-of-direction sprint training; CMJ: counter movement jump; LST = linear sprint training, MAS: maximal aerobic speed; SP5: 5-m linear sprint; SP10: 10-m linear sprint; SPS5: 5-m slalom sprint; SPS10: 10-m slalom sprint. $: Significantly different between U19 and U17, $: p < 0.05. £: Significantly different between U19 and U15, £: p < 0.05. €: Significantly different between U15 and U17, €: p < 0.05; €€: p < 0.01.