Fig. 6
From: Efficacy of wrist robot-aided orthopedic rehabilitation: a randomized controlled trial
Median values of passive (A and C) and active (B and D) ROM for pronation (A and B) and supination movements (C and D). Black and grey stay for experimental and control group, respectively. Red dotted lines represented data used to normalize each direction, i.e., the best and worst performance (xbest and xworst) found along that specific direction, among all the subjects and evaluations