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Fig. 4. Representative limb segment (thigh and upper arm; A–B) and joint
(C–F) angular trajectories during a stride for an elephant (Subject N,
Table 1) moving at a fast
walk/slow run (thin lines; 2.15±0.24 m s–1,
Fr=0.31; N=2) and a fast run (thick lines; 4.25±0.19
m s–1, Fr=1.22; N=3) to show the effect of
a doubling of speed on limb kinematics. Stance phase is shown in blue, swing
phase in red.