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. 2021 Dec 15;22:923. doi: 10.1186/s13063-021-05742-3

Fig. 1.

Fig. 1

Snapshots of the two interventions aimed at improving walking adaptability. (Left) Walking-adaptability exercises of treadmill-based C-Mill therapy (CT); A obstacle avoidance, B goal-directed stepping, C gait acceleration and deceleration, and D a functional and interactive walking-adaptability game. (Right) Obstacle course of the overground FALLS program (FP); A obstacle avoidance, B walking over uneven terrain, C tandem walking, and D slalom walking