Fig. 3From: Smoothness metric during reach-to-grasp after stroke: part 2. longitudinal association with motor impairmentSmoothness against motor performance change in parallel post stroke. Mean Spectral Arc Length (SPARC) against mean Fugl-Meyer motor assessment score of the Upper Extremity (FM-UE) at each measurement moment indicated by red crosses. The dashed black line concerns a linear fitBack to article page