![]() The data reveal that as speed increases, younger horses have more extended fetlock joints than adults. The average speed was calculated by multiplying the stride frequency by the stride length and transforming the result into kilometers per hour. For the stride frequency, a third identical videocamera filmed the horses to count the number of beats per minute. The angles and stride length were obtained using ONTRACK® software over frames extracted from two CANON® MV630i digital videocameras. Certain parameters, such as the angles of both front and hind fetlock joints, stride length, stride frequency and average speed in youngs and adults are presented, examinated and compared with statistical tests. ![]() This study was undertaken to characterize and establish the kinematic standards of Italian standardbred trotter horses in real racing conditions. At faster gaits it appears that horses negotiate a banked curve with limb posture closer to body posture and probably with demands on the musculoskeletal system more similar to straight canter. McIII inclination, MtIII inclination and relative body inclination were significantly greater (P<0.05) at trot and canter on a flat curve, so more inward tilt was found relative to the bearing surface.Conclusion: Adaptation to curved motion is gait specific. At canter inside forelimb duty factor was significantly longer (P<0.05) on a flat curve compared to a banked curve at walk this was reversed. ANOVA was used to determine differences between conditions and limbs.Results: Adaptation mechanisms were influenced by gait. Data were smoothed with a fourth order Butterworth filter with 30 Hz cut-off. Measurements extracted were speed, stride length, McIII inclination, MtIII inclination, relative body inclination and duty factor. Data were recorded at 308 Hz from 6 horses lunged at walk, trot and canter on a flat and 10° banked circle in a crossover design. Retroreflective markers were used to define left and right metacarpus (McIII) and proximal phalanges (P1), metatarsus (MtIII), head and sacrum. NET Framework Version:9 ASP.NET Version.Reasons for performing study: Locomotion adaptation mechanisms have been observed in horses, but little information is available in relation to banked and nonbanked curve locomotion, which might be important to optimise training environments.Objectives: To determine if adaptation mechanisms in horses existed when moving on a banked compared to a flat curve and whether adaptation was similar in different gaits.Methods: Eight infrared cameras were positioned on the outside of a 10 m lungeing circle and calibrated. (IExecutionStep step, Boolean
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