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. Author manuscript; available in PMC: 2018 Aug 22.
Published in final edited form as: Control Technol Appl. 2017 Oct 9;2017:847–852. doi: 10.1109/CCTA.2017.8062565

Fig. 7.

Fig. 7

Treadmill speed vs. mean polar radius r (Data) with regression line v(r) (Fit). Note the error bars (horizontal blue lines) are ±1 standard deviation from the mean (red dots).