Table 5 Gait parameters at fast speed by LUCAS Functional Ability Index (LUCAS FAI)

 1. Velocity [cm/s]

176.6 ± 23.5

151.4 ± 25.4

134.4 ± 26.0

< 0.001

< 0.001

< 0.001

< 0.001

 2. Stride length [cm]

155.7 ± 18.1

138.9 ± 18.5

128.4 ± 20.3

< 0.001

< 0.001

< 0.001

< 0.001

 3. Walk ratio^a [cm/(steps/min)]

0.57 ± 0.09

0.54 ± 0.09

0.52 ± 0.09

< 0.001

< 0.001

< 0.001

0.016

 4. Single support time [ms]

353 ± 27

356 ± 32

361 ± 33

0.075

0.473

0.040

0.072

 5. Double support time [ms]

178 ± 41

216 ± 53

246 ± 56

< 0.001

< 0.001

< 0.001

< 0.001

 6. Step width^b [cm]

9.2 ± 2.7

9.4 ± 3.0

9.9 ± 3.6

0.131

0.573

0.067

0.116

 7. Step width^b CV^c [%]

22.9 ± 12.1

27.5 ± 16.2

26.1 ± 17.1

0.039

0.003

0.061

0.371

 8. Stride length CV^c [%]

2.6 ± 1.5

3.6 ± 1.8

4.0 ± 2.0

< 0.001

< 0.001

< 0.001

0.010