Kinematic detection of superior gait quality in young trotting warmbloods

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Abstract
This study was conducted to identify objective criteria to select young horses with a good gait, which is a prerequisite for good performance in adult horses. The trot of 24 26‐month‐old Dutch Warmbloods, led on a loose shank, was subjectively scored by a judge and objectively assessed on a treadmill by using kinematic analysis equipment. It appeared that forelimb and hind limb stride and swing duration, scapula rotation, forelimb maximal fetlock extension, forelimb maximal retraction, hind limb maximal protraction, maximal stifle flexion, and maximal tarsal flexion significantly correlated with a generally accepted gait score in which length, suppleness, and strength are judged. Moreover, the ranking of the individual horses on the basis of gait quality according to their objectively measured kinematic variables was similar to the subjective ranking given by the judge. Thus, a complete picture was obtained of the variables in equine locomotion that determine the quality of the trot in warmbloods.