Fig. 6From: Physical human-robot interaction of an active pelvis orthosis: toward ergonomic assessment of wearable robotsAverage intra-subject variability of hip (left), knee (center), ankle (right) flexion-extension angle for all speeds (slow (V1), self-selected (V2), fast (V3)) and walking conditions (natural walking –no APO- (NW), transparent mode -APO shadows the wearer- (TM), low assistance (AM1), moderate assistance (AM2), high assistance (AM3)). Black columns represent one SD bandBack to article page