Table 4.
Tests at pre- and post-time points of the groups (values are mean ± SD), and percentage of change (∆) [values are mean (95% CI)].
| Pre-test | Post-test | ∆% (95%CI) | Effect size | |
|---|---|---|---|---|
| 11+ group | ||||
| 10m with ball (s) | 8.7 (1.1) | 8.1 (1.4) | −0.6 (0.01 to −1.2) c | 0.236 |
| 10m without ball (s) | 5.6 (0.4) | 5.3 (0.4) | −0.3 (0.007 to −0.7) c | 0.401 |
| 20msingle sprint (s) | 3.1 (0.4) | 2.7 (0.3) | −0.3(0.003 to-0.64) c | 0.392 |
| Vertical jump (cm) | 47 (6.3) | 50.7(7.9) | 3.7(6.3 to 1.2) b | 0.254 |
| Wall volley test (points) | 31.7 (1.3) | 37.2(0.7) | 5.4(7.8 to 3.0) a | 0.590 |
| Illinois (s) | 16.2 (0.3) | 14.4(0.3) | −1.7 (-0.8 to −2.6) b, c | 0.645 |
| HarmoKnee group | ||||
| 10m with ball (s) | 8.5 (1.01) | 8.1 (0.8) | −0.4 (0.9 to −0.1) c | 0.239 |
| 10m without ball (s) | 5.3 (0.5) | 5.5 (0.6) | 0.2(0.6 to −0.1) c | 0.194 |
| 20msingle sprint (s) | 2.93 (0.3) | 2.88(0.3) | −0.05(-0.05 to 0.1) c | 0.101 |
| Vertical jump (cm) | 50.2 (6.8) | 51.9 (4.3) | 1.6(3.7 to −0.4) | 0.143 |
| Wall volley test (points) | 30.7 (1.4) | 35.8 (3.2) | 5.2(2.3 to 8.1) b | 0.533 |
| Illinois (s) | 16 (0.1) | 15.5 (0.2) | −0.4 (0.05 to −0.9) c | 0.344 |
| Control group | ||||
| 10m with ball (s) | 9.1 (1.4) | 9.8 (1.6) | 0.6(-1.5 to 0.27) | 0.239 |
| 10m without ball (s) | 5.7 (0.6) | 6.1 (0.5) | 0.3(-0.7 to 0.01) | 0.295 |
| 20m single sprint (s) | 3.1 (0.1) | 3.2 (0.1) | −0.06(0.13 to −0.01) | 0.217 |
| Vertical jump (cm) | 46.6(5.4) | 48.9 (7.6) | 2.3(5.2 to −0.56) | 0.211 |
| Wall volley test (points) | 32.3(3.5) | 31.6 (3.8) | −0.7 (2.1 to −3.6) | 0.102 |
| Illinois (s) | 16.5(1.2) | 16.9 (1.2) | 0.5(-1.4 to 0.4) | 0.205 |
Legend: s=second, m=meter; cm=centimetre, CI=confidence interval
a= significant difference between pre-to-post time points (p < 0.001)
b= significant difference between pre-to-post time points (p<0.01)
c= significant difference with control group (p < 0.05).