Individual speed dependency of forelimb lameness in trotting horses |
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| Authors: | Peham C Licka T Mayr A Scheidl M |
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| Institution: | University of Veterinary Medicine, Clinic of Orthopaedics in Ungulates, Vienna, Austria. Christian.Peham@vu-wien.ac.at |
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| Abstract: | Using a system for motion analysis, linear correlation of speed and forelimb lameness was measured in 16 horses trotting on a treadmill at a minimum of three different trotting speeds. Forelimb lameness was determined as asymmetry of vertical head motion during left and right forelimb stance.In seven horses with a moderate forelimb lameness (head motion asymmetry >40%), lameness increased significantly with trotting speed. In a further seven horses with mild or subclinical forelimb lameness (head motion asymmetry <40%) and in two horses with a moderate forelimb lameness, no significant correlation between speed and motion asymmetry was found.The results indicate that moderate forelimb lameness measured as head motion asymmetry depends on the speed at which the measurements are taken. If head motion asymmetry is measured at two trotting speeds, it can be standardized to any speed within the trotting speed range. |
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