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Fig. 4. Protraction duration as a function of speed. Values are means ± s.d.
of individual horse mean data for lead and non-lead limbs (indicated by
different symbols) and fore- and hindlimbs (red and blue, respectively) for
the six horses for which complete data sets were available. Quadratic lines of
best fit (P<0.001) are shown. These were determined for the
population for fore- and hindlimbs separately using mean data. Coefficients:
forelimb b0=363.92, b1=3.9561 and
b2=-0.3026; hindlimb b0=288.88,
b1=13.141 and b2=-0.5954.