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Ten upper-limb motions performed: (a) elbow flexion (EF), (b) elbow extension (EE), (c) forearm pronation (P), (d) forearm supination (S), (e) wrist flexion (WF), (f) wrist extension (WE), (g) ulnar deviation (UD), (h) radial deviation (RD), (i) hand open (HO), and (j) hand close (HC).
