Fig. 1From: Factors leading to falls in transfemoral prosthesis users: a case series of sound-side stumble recovery responsesExperimental setup for stumble recovery experiments. Perturbations in early swing (top), mid swing (middle), and late swing (bottom) are pictured here. The stumble perturbation system and experimental protocol are detailed in [14]. Video clips of each stumble trial are included in the Additional files 1, 2, 3Back to article page