Transition versus Continuous Slope Walking: Adaptation to Change Center of Mass Velocity in Young Men

Figure 3

Illustration of the COM and COP movements and Ensemble curves for the joint power. (a) Schematic figure of lower-extremity walking on a slope with the mean ensemble curve for the vertical COM displacement versus COM-COP distance during stance. (b) Mean ensemble curves for the vertical COM displacement and the COM-COP distance during stance. : duration from the initial contact to the local maximum of the vertical COM displacement. : duration from the local maximum of the vertical COM displacement to the local minimum of the vertical COM displacement. : displacement of the vertical COM from the initial contact to the local maximum. : displacement of the vertical COM from the local maximum to the local minimum. (c) Mean ensemble curves for the ankle and knee joint power. The majority of the negative knee joint power and the positive ankle joint power were observed during the propulsion phase.

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