Discrimination of two equine racing surfaces based on forelimb dynamic and hoof kinematic variables at the canter

The Veterinary Journal
N Crevier-DenoixH Chateau

Abstract

The type and condition of sport surfaces affect performance and can also be a risk factor for injury. Combining the use a 3-dimensional dynamometric horseshoe (DHS), an accelerometer and high-speed cameras, variables reflecting hoof-ground interaction and maximal limb loading can be measured. The aim of the present study was to compare the effects of two racing surfaces, turf and all-weather waxed (AWW), on the forelimbs of five horses at the canter. Vertical hoof velocity before impact was higher on AWW. Maximal deceleration at impact (vertical impact shock) was not significantly different between the two surfaces, whereas the corresponding vertical force peak at impact measured by the DHS was higher on turf. Low frequency (0-200 Hz) vibration energy was also higher on turf; however high frequency (>400 Hz) vibration energy tended to be higher on AWW. The maximal longitudinal force during braking and the maximal vertical force at mid-stance were lower on AWW and their times of occurrence were delayed. AWW was also characterised by larger slip distances and sink distances, both during braking and at maximal sink. On a given surface, no systematic association was found between maximal vertical force at mid-stance and either sink...Continue Reading

References

Jan 1, 1977·Acta Orthopaedica Scandinavica·M T SerinkG Hansson
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Oct 3, 2009·American Journal of Veterinary Research·Jacob J SetterboSusan M Stover
Jun 9, 2010·Equine Veterinary Journal·M L PetersonC W McIlwraith
May 27, 2011·Equine Veterinary Journal. Supplement·E HernlundL Roepstorff
May 27, 2011·Equine Veterinary Journal. Supplement·N Crevier-DenoixH Chateau
May 20, 2011·Equine Veterinary Journal·K J ParsonsA M Wilson

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