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Step width influenced gluteus medius activity. A) The average pattern of gluteus medius activity is plotted from heel-strike to heel-strike for a single participant. Differences between the prescribed step widths were evident during both stance and swing. B) Stance phase gluteus medius activity varied across walking conditions, scaling with the prescribed step width. Error bars represent standard deviation, and asterisks (*) indicate significant (p<0.05) results of post-hoc tests.
