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Fig. 9. Jump by Lepyronia. (A) Two columns of sequential images from a
jump captured at 4000 s-1 and with an exposure of 0.25 ms. At the
start, the body was raised at an angle of 61° to the ground so that only
the tips of the tarsi of the front and middle legs were in contact with the
ground. (B) Movements of five points on the body (see image in C) against
time. (C) Movements of the same body points to show their vertical and
horizontal displacement. The black curved arrows show the direction of the
initial movements of the femoro-tibial joint. Body angle at take-off, 61°;
take-off angle, 90°; take-off velocity, 4.0 m s-1; body mass,
17 mg; temperature, 36°C.