Fig. 8
From: Efficacy of wrist robot-aided orthopedic rehabilitation: a randomized controlled trial
Median values of matching error. A showed directions on the FE-RUD space, while B, C pronation and supination direction, respectively. Black and grey lines stay for experimental and control group, respectively. In panel A dotted and solid lines stay for Tb and Te assessment, 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