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Fig. 2. Typical time histories of the vertical acceleration of the centre of mass
(yCOM) and of the height of the coronet
yc of each four hoofs during a jump in which the left
forelimb was trailing. Time is expressed relative to the instant of take-off
(t=0). Note that the experiments occurred in a sandy arena, which
explains why the distance of the coronet to the ground may vary.