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. Author manuscript; available in PMC: 2021 Mar 24.
Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2021 Mar 2;29:468–477. doi: 10.1109/TNSRE.2021.3057054

Fig. 2. Motor error metrics.

Fig. 2.

Subjects were instructed to match the pace and step smoothly. a. Stepping duration (i.e., temporal) error is the difference between stride duration and the two-second pacing cue. b. Stepping position (i.e., spatial) error is the maximum difference between the time-normalized stepping profile and the averaged pre profile.