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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Gait Posture. 2015 Oct 21;43:187–191. doi: 10.1016/j.gaitpost.2015.09.021

Fig. 4.

Fig. 4

Comparison of the mean RMS difference from a criterion PRC at each treadmill speed. Trials at 2.0 mph demonstrated significantly greater RMS differences than those observed at 2.5 and 3.0 mph. Bars represent standard error of the mean.