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Figure 4 | Journal of Foot and Ankle Research

Figure 4

From: Tibialis posterior in health and disease: a review of structure and function with specific reference to electromyographic studies

Figure 4

Tibialis posterior EMG activity during walking in health and disease. Tibialis posterior EMG activity during walking in health and disease – schematic estimates for ensemble-averaged tracings adapted from the respective studies. 0% and 100% represents heel contact to ipsilateral heel contact. Vertical lines show average timing of temporal gait events. Time resolution is approximated from original work to show a single gait cycle during walking. Amplitude characteristic are not scaled and cannot be compared among different studies. Linear envelopes for figure D-G show estimated unfiltered/unrectified signals. NB. Where multiple studies are available for each category, representation was based on the most recent work with the largest sample size.

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