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Impact of Gait and Diameter during Circular Exercise on Front Hoof Area, Vertical Force, and Pressure in Mature Horses.

Alyssa A LoganBrian D NielsenCara I RobisonDavid B HallockJane M ManfrediKristina M HineyDaniel D BuskirkJohn M Popovich
Published in: Animals : an open access journal from MDPI (2021)
Circular exercise can be used at varying gaits and diameters to exercise horses, with repeated use anecdotally relating to increased lameness. This work sought to characterize mean area, mean vertical force, and mean pressure of the front hooves while exercising in a straight line at the walk and trot, and small (10-m diameter) and large circles (15-m diameter) at the walk, trot, and canter. Nine mature horses wore Tekscan TM Hoof Sensors on their forelimbs adhered with a glue-on shoe. Statistical analysis was performed in SAS 9.4 with fixed effects of leg, gait, and exercise type (PROC GLIMMIX) and p < 0.05 as significant. For all exercise types, the walk had greater mean pressure than the trot ( p < 0.01). At the walk, the straight line had greater mean area loaded than the large circle ( p = 0.01), and both circle sizes had lower mean vertical force than the straight line ( p = 0.003). During circular exercise at the canter, the outside front limb had greater mean area loaded than at the walk and trot ( p = 0.001). This study found that gait is an important factor when evaluating circular exercise and should be considered when exercising horses to prevent injury.
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