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Fig. 5. (A-E) Average time histories of energy components. From each of 23 horses
one jump was used in which the left forelimb limb was leading and one in which
it was trailing. For each jump, time was normalized separately for the
forelimb push and for the hindlimb push, and subsequently results were
averaged over horses and jumps, regardless of lead. Solid lines indicate
averages; broken lines indicate 95% confidence intervals. Dash-dotted lines
indicate 95% confidence intervals obtained when the individual curves were
first corrected for the mean value. (A) Etot, total
mechanical energy; (B) Ekin,COM,x, kinetic energy due to
the horizontal velocity of the centre of mass; (C)
Ekin,COM,y, kinetic energy due to the vertical velocity of
the centre of mass; (D) Epot, potential energy; (E)
Erot, rotational energy. The kinetic energy due to the
velocity of segmental mass centres relative to the mass centre of the body was
negligible and is not shown.
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