Table 2.
Differences between maturational groups in vertical jump height, linear sprint speed, change of direction speed, and reactive agility.
| Maturational Groups | One-Way ANOVA | Effect Size (90% CI) | |||||
|---|---|---|---|---|---|---|---|
| Variables | Pre-PHV (n = 10) |
Circa-PHV (n = 10) |
Post-PHV (n = 25) |
p-Value | Pre-PHV vs. Circa-PHV |
Circa-PHV vs. Post-PHV |
Pre-PHV vs. Post-PHV |
| Vertical jump height | |||||||
| 0.79 | 0.80 | 1.60 | |||||
| CMJ (cm) | 20.1 ± 2.6 ### | 22.3 ± 2.9 | 24.7 ± 3.0 | <0.001 * | (0.21–1.37) | (0.03–1.56) | (0.96–2.24) |
| 0.14 | 0.86 | 0.90 | |||||
| CMJ_L (cm) | 10.3 ± 1.6 | 10.5 ± 1.2 | 11.6 ± 1.3 | <0.08 | (−0.4–0.7) | (0.09–1.63) | (0.31–1.48) |
| 0.51 | 0.45 | 0.97 | |||||
| CMJ_R (cm) | 10.2 ± 1.5 | 11.0 ± 1.4 | 11.6 ± 1.2 | <0.05 * | (−0.04–1.08) | (−0.29–1.19) | (0.38–1.56) |
| 0.63 | 1.10 | 1.99 | |||||
| SJ (cm) | 19.6 ± 2.3 $ ### | 21.4 ± 3.4 | 25.1 ± 3.2 | <0.001 * | (0.06–1.2) | (0.31–1.89) | (1.31–2.67) |
| 0.12 | 0.89 | 1.03 | |||||
| L_JUM (cm) | 149.1 ± 14.6 ## | 150.9 ± 16.4 | 167.2 ± 20.0 | <0.02 * | (−0.43–0.67) | (0.12–1.66) | (0.44–1.62) |
| 0.53 | 1.18 | 1.78 | |||||
| SLTJ_L (cm) | 402.2 ± 47.5 ### | 430.6 ± 58.0 | 503.1 ± 64.6 $ | <0.001 * | (−0.02–1.10) | (0.38–1.97) | (1.12–2.43) |
| 0.55 | 1,09 | 0.61 | |||||
| SLTJ_R (cm) | 406.8 ± 44.5 ## | 433.0 ± 51.9 | 470.7 ± 69.5 | <0.01 * | (−0.01–1.12) | (0.49–1.69) | (−0.13–1.36) |
| Linear sprint speed | |||||||
| −0.54 | 0.04 | −0.9 | |||||
| SP5m (s) | 1.3 ± 0.1 | 1.2 ± 0.1 | 1.2 ± 0.1 | <0.06 | (−1.10–0.02) | (−0.34–1.14) | (−1.48–0.32) |
| −0.74 | −0.73 | −1.50 | |||||
| SP10m (s) | 2.1 ± 0.1 ### | 2.1 ± 0.1 | 2.0 ± 0.1 | <0.001 * | (−1.31–0.16) | (−1.49–0.02) | (−2.13–0.87) |
| −0.64 | −1.39 | −0.86 | |||||
| SP20m (s) | 3.7 ± 0.2 ### | 3.7 ± 0.1 | 3.5 ± 0.2 | <0.001 * | (−1.21–0.07) | (−2.01–0.77) | (−1.63–0.09) |
| Change of direction speed | |||||||
| 0.29 | −0.99 | −0.63 | |||||
| AG20Y (s) | 5.5 ± 0.3 | 5.6 ± 0.2 | 5.3 ± 0.3 | <0.11 | (−0.26–0.85) | (−1.77–−0.21) | (−1.20–−0.06) |
| −0.20 | −0.45 | −0.72 | |||||
| AG4x10Y (s) | 10.5 ± 0.4 | 10.4 ± 0.6 | 10.1 ± 0.6 | <0.17 | (−0.76–0.35) | (−1.2–0.29) | (−1.3–0.15) |
| 0.11 | −1.43 | −1.23 | |||||
| T-TEST (s) | 12.1 ± 0.5 $$ ### | 12.0 ± 0.4 | 11.3 ± 0.8 | <0.001 * | (−0.44–0.66) | (−2.26–−0.61) | (−1.83–−0.62) |
| −0.28 | −0.54 | −0.77 | |||||
| TENCODS (s) | 3.3 ± 0.2 | 3.2 ± 0.1 | 3.1 ± 0.2 | <0.13 | (−0.84–0.27) | (−1.29–0.20) | (−1.35–−0.19) |
| Reactive agility speed | |||||||
| 0 | 0.94 | 0.96 | |||||
| TENRAG (s) | 3.2 ± 0.2 | 3.2 ± 0.2 | 3.0 ± 0.2 | <0.04 * | (−0.55–0.55) | (0.16–1.71) | (0.38–1.55) |
Legend: Pre-PHV—pre peak height velocity group; Circa-PHV—around peak height velocity group; Post-PHV—post peak height velocity group; CMJ (cm)—countermovement jump with arms set on hips; CMJ_L (cm)—single leg (left) countermovement jump with arms set on hips; CMJ_R (cm)—single leg (right) countermovement jump with arms set on hips; SJ (cm)—squat jump; L_JUM (cm)—long jump; SLTJ_L (cm)—single leg (left) triple jump; SLTJ_R (cm)—single leg (right) triple jump; SP5m (s)—5m linear sprint; SP10m (s)—10m linear sprint; SP20m (s)—20m linear sprint; AG20Y (s)—20 yards agility test; AG4x10Y (s)—4 × 10 yards agility test; T-TEST (s)—agility T-TEST; TENCODS (s)—change of direction speed test; TENRAG (s)—reactive agility test; * significant interaction (p < 0.05); $ significantly different from Circa-PHV group (p < 0.05); $$ significantly different from Circa-PHV group (p < 0.001); ## significantly different from Post-PHV group (p < 0.01); ### significantly different from Post-PHV group (p < 0.001).