Abstract
Limb contact variables of the gaits of superior dressage horses were determined for competitors at the 1988 Seoul Summer Olympic Games in the finals of the Individual Dressage competition. Two 16-mm motion picture cameras were aimed perpendicular to the plane of motion along the HXF and KXM diagonals of the standard dressage arena, and filmed at 100 fps. Nineteen of the horses selected as finalists for individual dressage medals were filmed during the Grand Prix Special test executing one-stride canter lead changes, two-stride canter lead changes and the left lead extended canter. Velocities, stride lengths and stride durations were 7.03±.07 m/s, 4.15±.05 m and .592±.004 s for the extended canter. Across all stride frequencies, score was optimized with extended canter strides of the greatest length, with no upper limit detected to optimal stride length. Canter strides with lead changes had lower velocities, shorter strides and longer durations than strides without a lead change, with velocities, stride lengths and stride durations, respectively, of 3.36±.05 m/s, 2.08±.04 m and .617±.003 s for one-stride canter lead change strides; 3.65±.07 m/s, 2.21±.04 m and .605±.003 s for pre-change canter two-stride lead change strides; and 3.95±.07 m/s, 2.44±.04 m and .621±.004 s for post-change canter two-stride lead change strides. This study provided the first objective documentation of the canter limb contact patterns of world-class dressage horses.
Published Version
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