Table 2 Parameters of gait, observer-rater tests and fatigue

mean gait parameter

  walking speed [m/s]

1.67 ± 0.18

1.55 ± 0.17

1.47 ± 0.19 ^a

1.30 ± 0.25 ^a,b,c

  stride length [m]

1.61 ± 0.16

1.52 ± 0.13

1.47 ± 0.13 ^a

1.33 ± 0.20 ^a,b,c

  stride time [s]

0.96 ± 0.06

0.99 ± 0.07

1.01 ± 0.07

1.04 ± 0.09 ^a

  stance phase [s]

0.51 ± 0.03

0.53 ± 0.04

0.55 ± 0.05 ^a

0.58 ± 0.07 ^a,b

  swing phase [s]

0.45 ± 0.03

0.46 ± 0.03

0.46 ± 0.03

0.46 ± 0.05

  MTC [cm]

2.2 ± 0.6

2.2 ± 0.7

1.9 ± 0.5

2.1 ± 1.1

linear trend of mean gait parameter

  walking speed slope

-0.002 ± 0.016

-0.011 ± 0.014

-0.011 ± 0.014

-0.012 ± 0.014 ^a

  stride length slope

-0.000 ± 0.009

-0.004 ± 0.007

-0.004 ± 0.008

-0.005 ± 0.008

  stride time slope

0.001 ± 0.004

0.005 ± 0.005

0.005 ± 0.005

0.007 ± 0.008 ^a

  stance phase slope

0.000 ± 0.003

0.002 ± 0.003

0.003 ± 0.003 ^a

0.005 ± 0.006 ^a

  swing phase slope

0.001 ± 0.002

0.002 ± 0.002

0.001 ± 0.002

0.002 ± 0.002

  MTC slope

-0.001 ± 0.000

-0.001 ± 0.001

-0.001 ± 0.000

-0.000 ± 0.000

observer-rater tests

  BBS

56.0 ± 0.0

55.7 ± 1.2

55.0 ± 2.5

51.8 ± 4.8^a,b,c

  TUG [s]

4.5 ± 0.6

5.2 ± 1.0

5.8 ± 1.3^a

7.0 ± 1.6^a,b,c

fatigue

  WEIMus

2.2 ± 4.0

6.7 ± 7.1

9.6 ± 7.1 ^a

17.7 ± 8.3 ^a,b,c