Table 4.
Muscle thickness before and after 8 weeks of training in the three groups
| Muscle thickness (mm) | WV (n = 15) | WBV (n = 17) | WBV + WV (n = 19) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pre-test | Post-test | Mean difference ± 95%CI |
Pre-test | Post-test | Mean difference ± 95%CI |
Pre-test | Post-test | Mean difference ± 95%CI |
p- value between 3 groups | |
| Rectus femoris muscle (R) | 30.5 ± 4.9 | 32.5 ± 5.9 | 2.0 ± 1.7* | 27.0 ± 3.4 | 29.8 ± 4.1 | 2.8 ± 1.8* | 26.7 ± 4.0 | 30.7 ± 4.1 | 4.0 ± 2.4* | 0.333 |
| Rectus femoris muscle (L) | 28.7 ± 4.8 | 31.0 ± 4.3 | 2.3 ± 1.6* | 26.8 ± 3.5 | 29.4 ± 4.7 | 2.6 ± 2.4* | 27.3 ± 3.8 | 30.0 ± 5.3 | 2.7 ± 2.4* | 0.984 |
| Gastrocnemius (R) | 26.1 ± 5.9 | 25.2 ± 3.0 | −0.9 ± 3.3 | 26.8 ± 4.3 | 26.3 ± 4.6 | −0.5 ± 1.6 | 25.5 ± 4.8 | 24.4 ± 2.7 | − 1.1 ± 1.0 | 0.906 |
| Gastrocnemius (L) | 26.0 ± 5.1 | 25.3 ± 2.9 | − 0.7 ± 2.9 | 25.6 ± 3.3 | 26.6 ± 3.5 | 1.0 ± 1.9 | 25.5 ± 5.2 | 24.7 ± 3.0 | − 0.8 ± 0.7 | 0.435 |
Data are mean ± SD for pre-test and post-test and mean ± 95% confidence interval for post-pre test change
WV weighted vest (10% of body weight), WBV whole body vibration, WBV + WV whole body vibration combined with weighted vest (10% of body weight)
*Significant difference compared within group (pre vs post), p < 0.05