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Fig. 4. Trajectory of a jump. The position of the left and right eyes (see cartoon
inset) in the vertical plane are plotted against time. Selected frames to show
the orientation of the body are shown at the times indicated. Once airborne
the body spins about the longitudinal axis of the body with each rotation
lasting about 4 ms, as indicated by the periodic convergence of the two sets
of points at these intervals. Images were captured at 2000
s–1.