Table 3.
The effect of whole-body vibration on the SMMI, physical fitness, and quality of life (n = 17)
| Variables | Pretest MEAN ± SD |
Posttest MEAN ± SD |
z | p value |
|---|---|---|---|---|
| SMMI | 8.98 ± 1.69 | 10.63 ± 2.24 | −3.62 | 0.000*** |
| Physical fitness | ||||
| Standing on one foot (seconds) | 3.30 ± 7.19 | 7.37 ± 12.32 | −2.45 | 0.014** |
| Shoulder–arm flexibility (centimeters) | −37.50 ± 16.33 | −28.56 ± 13.95 | −3.16 | 0.002** |
| 8-foot up and go test (seconds) | 36.2 ± 24.57 | 22.00 ± 17.36 | −2.69 | 0.009** |
| Grip strength (kilograms) | 11.19 ± 7.36 | 14.46 ± 7.48 | −3.39 | 0.001** |
| Five repeated sit-to-stand tests (seconds) | 42.42 ± 22.98 | 30.58 ± 15.32 | −2.94 | 0.003** |
| Quality of life | ||||
| Index | 0.69 ± 0.24 | 0.74 ± 0.23 | −2.533 | 0.011* |
| VAS | 78.24 ± 8.28 | 80.29 ± 10.68 | −0.672 | 0.501 |
SMMI Skeletal muscle mass index, VAS visual analog scale; *p < .05, ** p < .01, *** p < .001