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Fig. 4. Vertical impulse Impz decreased with increased speed
for both limbs in both conditions (A). Vertical impulse generated by the
forelimb was lower on the incline than on the level but vertical impulse
generated by the hindlimb was higher on the incline than on the level. Using
the vertical impulse to determine the average force generated over a stride
(B) shows that on the level the force is distributed so that the force
distribution is 57%/43% fore/hind (the values in the figure are force values,
but expressed as a percentage in Table
1). On the incline the average force distribution was 52%/48%
fore/hind respectively. Symbols and lines are explained in the legend to
Fig. 2.