Fig. 3. Jump to the right captured with high speed imaging at 1000 frames s^–1. (A) Sequence of images from the jump at the times indicated. Take-off is achieved 13 ms after the first detectable movement of the hind legs. (B) Top graph shows angular changes of the right hind leg and the body during this jump. The four angles plotted and shown in the inset diagram are: femoro-tibial joint of the right hind leg (filled circles); the angle between the femur and the thorax (open circles), indicating the movement of the whole hind leg because the coxa and trochanter could not be resolved in these high speed images; the angle between the head and thorax (crosses); and the angle of the thorax relative to the ground (open squares). Bottom graph shows movements of the tip of the abdomen (triangles) and a point on the thorax during the same jump (filled squares).