Fig. 6From: Walking with a powered ankle-foot orthosis: the effects of actuation timing and stiffness level on healthy usersLeft stance percentage during different walking conditions. The average left stance percentage is reported for the last minute of the walking trials. Statistically significant differences, as compared to NW, are reported with ** to indicate p ≤0.01, and *** to indicate p ≤0.001. It should be noted that the graph does not start from zeroBack to article page