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.

Bautmans et al. BMC Geriatrics 2005 5:17   doi:10.1186/1471-2318-5-17

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