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Fig. 1. Ground reaction force (GRF) patterns are similar to those typically
reported for other quadrupeds. Both vertical (A,C,E,G) and horizontal
(B,D,F,H) forces are depicted for the level and the incline. Thicker lines
represent faster (>4.5 m s1) and the thinner lines
represent slower (<2.75 m s1) speeds. Forces generated by
the forelimb increased as speed increased for both the level (A) and incline
(C) conditions. Hindlimb vertical forces tended to remain constant on the
level (E), but increased on the incline (G). Hindlimb forces were higher on
the incline than on the level.