Force plate analysis was used to measure ground reaction forces (GRF) and contact times, and calculate the centre of gravity at a walk of 10 dogs which had had a limb amputated, and the results were compared with the results from 22 normal dogs of the same weight. The loss of a limb caused significant changes in the GRF, impulses and contact times of the remaining limbs and in the location of the dogs' centre of gravity. The changes were greater in dogs which had lost a forelimb than in dogs which had lost a hindlimb.
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