Fig. 1

Averaged medio-lateral COM displacement across the gait cycle for the two FreeD conditions. Legend: Two different Lokomat FreeD conditions (FreeD Default in blue and FreeD Time Offset individually selected by therapist in green) are shown across the gait cycle (0-100%). A reference curve of the COM during overground walking is presented in orange (adopted from [5]). Note: The curves are the averaged COM trajectories over all participants; the data of the averaged maximal displacement, however, stem from individualized calculations and where only then averaged. Accordingly, the green and blue dashed lines are not exactly on the local minima and maxima of the displayed averaged curves. The COM displacements are depicted as mean ± SD in meters. COM = center of mass; SD = standard deviation