Table 2: Mean and standard deviation of the spatial-temporal parameters in the crossing stride.

Adaptive gait without dual taskAdaptive gait with dual task 𝑃 -values

Single support duration (s) 1 . 3 2 ± 0 . 1 9 1 . 4 1 ± 0 . 2 5 0.004d
Double support duration (s) 0 . 4 7 ± 0 . 1 4 0 . 6 1 ± 0 . 2 4 0.001d
Stride duration (s) 1 . 7 9 ± 0 . 2 7 2 . 0 2 ± 0 . 4 4 0.001d
Stride velocity (cm/s) 1 1 8 . 5 3 ± 3 2 . 1 5 1 0 2 . 4 5 ± 3 7 . 7 1 0.001d
Horizontal distance of foot to obstacle-LL (cm) 7 8 . 5 ± 2 2 . 6 7 7 7 . 4 1 ± 2 4 . 9 1 0.746
Horizontal distance of obstacle to foot-LL (cm) 2 1 . 9 5 ± 1 5 . 9 1 2 1 . 2 1 ± 1 7 . 5 2 0.768
Toe clearance-LL (cm) 1 3 . 1 9 ± 4 . 6 4 1 2 . 8 2 ± 5 . 0 4 0.577
Horizontal distance of foot to obstacle-TL (cm) 4 0 . 1 4 ± 1 0 . 2 4 3 8 . 8 1 ± 9 . 9 2 0.235
Horizontal distance of obstacle to foot-TL (cm) 6 3 . 8 6 ± 1 4 . 6 4 5 9 . 0 9 ± 1 9 . 4 9 0.062
Toe clearance-TL (cm) 2 6 . 7 1 ± 9 . 2 2 3 . 9 7 ± 7 . 7 6 0.029d

LB: leading limb; TL: trailing limb. d: differences between adaptive gait without dualtask and adaptive gait with dual task.