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Fig. 6. (A) Normalized maximum magnitudes of gluteus maximus (closed symbols) and
hamstrings (open symbols) during walking (circles) and running (squares). (B)
Time of maximum magnitude of gluteus maximus (closed symbols) and hamstrings
(open symbols) during walking (circles) and running (squares) trials. Heel
strike is 0%. Values are means ± 1 s.e.m.