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Mean of temporo-spatial features of APA under the Stance, Symmetrical and Swing conditions. APAd: APA duration; yCoPmax: peak of mediolateral CoP shift towards the swing leg during APA. y’CoMHO: mediolateral CoM velocity at heel-off. Negative values indicate a displacement or velocity directed towards the stance leg. *,**,***Significant difference with P < 0.05, P < 0.01 and P < 0.001, respectively.
