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Figure 4 | Journal of NeuroEngineering and Rehabilitation

Figure 4

From: Co-contraction patterns of trans-tibial amputee ankle and knee musculature during gait

Figure 4

All limbs ankle muscle activation patterns across one SSWS gait cycle. Ensemble average ankle muscle activation patterns for all limbs across gait cycle are shown for self-selected walking speeds. Muscle activity was normalized to the maximum activation recorded during fast walking. The shaded areas represent the phases of gait examined. Heel strike (HS) and toe off (TO) events are labeled in the horizontal axis. The vertical bars represent one standard deviation for the control limb. The residual limb had the most variation with an average standard deviation of 0.175 for the TA and 0.180 for the MG followed by the intact and control limbs. The intact limb average standard deviation was 0.133 for the TA and 0.149 for the MG. The control limb average standard deviation was 0.097 for the TA and 0.119 for the MG.

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