Table 3.
Participants' functional performance at baseline.
| Parameter | WBV+ | Control N = 11 | pa | pb | |
| Initial Randomisation (N = 13) | Reassessed at 6 weeks (N = 10) | ||||
| Chair sit-and-reach (cm) | -20.2 ± 6.2 | -21.0 ± 6.9 | -23.2 ± 9.4 | .061 | .145 |
| Back scratch (cm) | -23.2 ± 16.0 | -23.0 ± 18.3 | -15.9 ± 6.9 | .323 | .667 |
| 30-second chair stand (number) | 6.3 ± 4.0 | 7.0 ± 4.1 | 8.2 ± 3.1 | .127 | .303 |
| Tinetti test | |||||
| Body balance (score/16) | 12.8 ± 3.7 | 13.4 ± 3.1 | 13.2 ± 2.6 | .784 | .566 |
| Gait (score/12) | 9.6 ± 2.7 | 9.9 ± 2.8 | 9.9 ± 2.1 | .891 | .822 |
| Total (score/28) | 22.4 ± 5.9 | 23.3 ± 5.6 | 23.1 ± 4.3 | .966 | .665 |
| Timed get-up-and-go test (seconds) | 17.9 ± 9.3 | 15.3 ± 5.5 | 14.8 ± 6.3 | .399 | .743 |
| Grip strength (KPa) | 41.6 ± 19.5 | 43.3 ± 18.9 | 43.3 ± 24.6 | .765 | .545 |
| Leg extension 40 cm/sec | |||||
| Work (J) | 66.9 ± 74.6 | 55.8 ± 44.6 | 88.5 ± 79.4 | .361 | .387 |
| Maximal force (N) | 270.0 ± 203.8 | 251.3 ± 141.4 | 375.2 ± 253.8 | .277 | .282 |
| Maximal power (W) | 108.0 ± 81.5 | 100.5 ± 56.5 | 150.1 ± 101.5 | .277 | .282 |
| Maximal explosivity (N/sec) | 2693.1 ± 1698.3 | 2755.0 ± 1600.1 | 4070.0 ± 2483.0 | .134 | .173 |
| Leg extension 60 cm/sec | |||||
| Work (J) | 47.1 ± 57.1 | 36.9 ± 32.9 | 68.7 ± 78.6 | .459 | .468 |
| Maximal force (N) | 204.3 ± 197. 0 | 178.3 ± 148.1 | 312.1 ± 281.3 | .283 | .290 |
| Maximal power (W) | 123.4 ± 117.4 | 108.0 ± 87.7 | 187.3 ± 168.7 | .339 | .359 |
| Maximal explosivity (N/sec) | 3885.0 ± 3291.6 | 3553.5 ± 2700.0 | 4872.3 ± 3371.6 | .424 | .426 |
Mann-Whitney U Test (exact 2-tailed significance) Control versus WBV+ ainitial randomisation breassessed at 6 weeks. Values represent mean ± SD.