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Figure 2


Fig. 2. Raw EMG traces of right-side gluteus maximus during walking (A; 1.5 m s-1) and running (B; 3.0 m s-1). Processed EMG is the filtered data (see text for details). Note that the scales for raw EMG, processed EMG and trunk pitch rate are different in walking compared to running. Note also that for both walking and running, forward trunk pitch rate is negative. Gray bars represent left foot contact and black bars represent right foot contact. Broken line indicates ipsilateral heel strike.





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