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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Med Sci Sports Exerc. 2019 Jan;51(1):132–140. doi: 10.1249/MSS.0000000000001761

Figure 2A.

Figure 2A.

Exemplar of Gait Initiation (GI) Center of Pressure (COP) displacement for Right Foot initial step. Movement initiation is operationally defined as the first change (± 2 SD from the mean of the first 500 ms of quiet stance) in posterior displacement of the COP. The APA component ends at the most posterior and medial position towards the initial swing limb. The transitional component ends at the maximum translation towards the initial stance limb. The locomotor component ends at toe-off of the initial stance limb.