TABLE 3.
Mean values and SD of peak torque, average peak torque and total work for knee flexors – before and after a 4-week vibration training (angular velocity 30°/s) and mean values, SD and 95%CI (CI-confidence interval) for individual differences (Diff.).
| Measurement | Group I | Group II | Group III | Group IV | Group V | Group VI | Group VII |
|---|---|---|---|---|---|---|---|
| Peak torque [Nm/kg] | |||||||
| before | 2.26±0.41 | 2.26±0.48 | 2.34±0.34 | 2.18±0.54 | 2.04±0.34 | 2.29±0.34 | 2.34±0.47 |
| after | 2.33±0.47 | 2.16±0.49 | 2.27±0.39 | 2.24±0.46 | 2.08±0.42 | 2.31±0.42 | 2.15±0.36 |
| Diff. | 0.07±0.19 (-0.03÷0.17) |
-0.1±0.28 (-0.28÷0.08) |
-0.07±0.23 (-0.19÷0.06) |
0.04±0.41 (-0.22÷0.31) |
0.05±0.21 (-0.08÷0.17) |
0.02±0.4 (-0.24÷0.08) |
-0.19±0.34 (-0.38÷0.01) |
| ES | 0.159 | 0.206 | 0.191 | 0.12 | 0.105 | 0.053 | 0.454 |
| Average peak torque [Nm/kg] | |||||||
| before | 2.07±0.4 | 2.01±0.44 | 2.04±0.3 | 1.89±0.49 | 1.79±0.38 | 2.02±0.29 | 2.10±0.42 |
| after | 2.11±0.45 | 1.92±0.44 | 2.07±0.38 | 2.02±0.42 | 1.84±0.42 | 2.06±0.37 | 1.92±0.36 |
| Diff. | 0.04±0.19 (-0.06÷0.14) |
-0.1±0.24 (-0.25÷0.05) |
0.03±0.19 (-0.07÷0.13) |
0.11±0.27 (-0.03÷0.26) |
0.04±0.22 (-0.09÷0.18) |
0.03±0.32 (-0.17÷0.24) |
-0.18±0.22 (-0.31÷-0.05) |
| ES | 0.094 | 0.205 | 0.088 | 0.285 | 0.125 | 0.12 | 0.46* |
| Total work [J/kg] | |||||||
| before | 10.39±2.53 | 10.35±2.06 | 10.89±1.46 | 9.73±2.6 | 9.12±1.68 | 10.53±1.99 | 10.59±2.35 |
| after | 11.16±2.87 | 9.92±2.06 | 10.9±1.67 | 10.65±2.48 | 9.41±1.49 | 10.56±2.42 | 10.05±1.99 |
| Diff. | 0.76±1.22 (0.11÷1.41) |
-0.43±1.21 (-1.2÷0.33) |
0.02±1.43 (-0.75÷0.77) |
0.9±1.47 (0.03÷1.77) |
0.29±1.38 (-0.58÷1.17) |
0.03±1.48 (-0.91÷0.97) |
-0.53±1.12 (-1.18÷0.12) |
| ES | 0.285* | 0.209 | 0.006 | 0.362* | 0.182 | 0.014 | 0.248 |
*
– p<0.0.5; Wilcoxon matched pairs test, ES – effect size.