Table 2.
Comparison of the mean values of chronaxy before, after and 30 min later after a single session of a whole-body vibration in group A and B
| Tested muscle | Group | Number of parcicipants | 1 - mean value of Chr. before [ms] ± SD | 2 - mean value of Chr. after [ms] ± SD | 3 - mean value of Chr. after 30 min. [ms] ± SD |
p 1, 2* |
p 2, 3* |
p A, B** |
|---|---|---|---|---|---|---|---|---|
| Rectus femoris muscle | A | 12 | 0,140 ± 0,07 | 0,116 ± 0,05 | 0,141 ± 0,05 | p=0,05 | p=0,02 | p>0,05 |
| B | 16 | 0,170 ± 0,12 | 0,211 ± 0,21 | 0,188 ± 0,09 | p>0,05 | p>0,05 | ||
| Brachio- radialis muscle | A | 12 | 0,163 ± 0,09 | 0,168 ± 0,13 | 0,175 ± 0,15 | p>0,05 | p>0,05 | p>0,05 |
| B | 16 | 0,273 ± 0,24 | 0,272 ± 0,24 | 0,228 ± 0,22 | p>0,05 | p>0,05 |
*
Wilcoxon test
**
Mann-Whitney U test