WBV (n = 30) | Control (n = 25) | P-value | P-value* | |
---|---|---|---|---|
Gait speed (meter/second) | ||||
Simple task | - 0.03 ± 0.21 | - 0.05 ± 0.10 | .89 | .82 |
Dual task | + 0.02 ± 0.22 | + 0.05 ± 0.12 | .63 | .92 |
P-Value | .10 | <.01 | ||
Stride frequency | ||||
(cycle/second) | - 0.22 ± 0.21 | - 0.15 ± 0.30 | .47 | .72 |
Simple task | - 0.03 ± 0.27 | - 0.01 ± 0.21 | .87 | .31 |
Dual task | .14 | .13 | ||
P-Value | ||||
Stride length (meter) | ||||
Simple task | + 0.15 ± 0.23 | + 0.06 ± 0.23 | .33 | .90 |
Dual task | + 0.02 ± 0.44 | - 0.06 ± 0.21 | .78 | .41 |
P-Value | .25 | .66 | ||
Stride symmetry (arb. unit.) | ||||
Simple task | + 4.23 ± 58.6 | - 9.21 ± 56.6 | .55 | .86 |
Dual task | + 55.3 ± 88.7 | - 11.7 ± 72.1 | .06 | .47 |
P-Value | .10 | .88 | ||
Stride regularity (arb. unit.) | ||||
Simple task | - 12.2 ± 44.6 | - 25.3 ± 72.8 | .58 | .32 |
Dual task | - 8.40 ± 47.2 | + 16.7 ± 81.3 | .40 | .85 |
P-Value | .81 | <.01 | ||
Cranio-caudal mechanic power (Watts/kg) | ||||
Simple task | - 0.05 (− 0.34-0.37) | - 0.09 (− 0.63-0.11) | .65 | .83 |
Dual task | - 0.02 (− 0.21-0.32) | + 0.01 (− 0.11-0.24) | .87 | .87 |
P-Value | .72 | .35 | ||
Antero-posterior mechanic power (Watts/kg) | ||||
Simple task | - 0.07 (− 0.23-0.14) | - 0.02 (− 0.11-0.05) | .81 | .82 |
Dual task | - 0.06 (− 0.18-0.08) | - 0.005 (− 0.7-0.14) | .82 | .24 |
P-Value | .65 | .27 | ||
Medio-lateral mechanic power (Watts/kg) | ||||
Simple task | + 0.02 (− 0.13-0.15) | + 0.005 (− 0.18-0.10) | .54 | .23 |
Dual task | - 0.07(− 0.11-0.11) | + 0.06 (− 0.02-0.13) | .34 | .64 |
P-Value | .39 | .53 | ||
Counting speed (number/second) | ||||
Simple task | + 0.15 ± 0.28 | + 0.03 ± 0.11 | .19 | .54 |
Dual task | + 0.08 ± 0.16 | + 0.01± 0.28 | .49 | .23 |
P-Value | .34 | .78 |