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Fig. 4. Joint angles, moments and powers for the hindlimb (hip, A; knee, B; ankle,
C; MTP, metatarsophalangeal, D; HDIP, hindlimb distal interphalangeal, E). The
blue line represents slow speed (<3.25 m s1), the red
line medium speed (3.254.00 m s1) and the grey line
fast speed (>4.0 m s1). The error bars on each curve are
the standard deviation. The stick figure representations at the top are from
every 20% of stance of the hindlimb from one medium speed trial (with the same
orientation as the forelimb in Fig.
1) with the ground reaction force included.