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Equine veterinary journal2023; 56(3); 598-606; doi: 10.1111/evj.13990

The influence of different horseshoes and ground substrates on mid-stance hoof orientation at the walk.

Abstract: Horseshoes with modified contact surfaces combined with deformable ground substrates are used to change hoof orientation during mid-stance, for example, for therapeutic reasons. Objective: To measure the effect of horseshoes and ground substrates on sagittal and transverse plane hoof orientation at mid-stance using a dorsal hoof wall mounted triaxial accelerometer. Methods: In vivo experiment, randomised crossover design. Methods: Differences in sagittal and transverse plane angles between standing and mid-stance of the left front hoof of six horses walking with regular horseshoes, egg bar, toe-wide, medial-wide, lateral-wide and three-degree egg bar shoes on turf, sand and hard ground substrates were assessed with linear mixed models with horseshoe and substrate type as fixed factors (p < 0.05) for each animal. Results: Hoof angles were significantly affected by horseshoe (p < 0.001), surface (p < 0.001) and the combination (p < 0.001). The sagittal plane angle increased in deformable ground substrates at walk-in mid-stance on turf [mean (±standard deviation): 2.6° (±3.8°)] and on sand [2.6° (±4.1°)] across all shoes. The greatest increase was observed with egg bar shoes [turf: 4.37° (±3.82°); sand 4.69° (±3.83°)]. There was a tendency for the hoof to sink laterally into deformable ground substrates among all shoes [turf: 1.11° (±1.49°); sand: 0.93° (±1.93°)]. Medial-wide shoes increased the lateral sinking [turf: 2.00° (±1.63°); sand: 1.79° (±1.58°)]. Lateral-wide shoes reduced the lateral sinking on turf [0.62° (±1.26°)] and induced a marginal medial sinking on sand [-0.007° (±2.03°)]. Conclusions: The substrate properties were not quantitatively assessed, and observations were limited to front hooves at the walk. A larger sample size would be preferable. Conclusions: Mid-stance hoof orientation changes with specific combinations of shoes and ground substrates in the walking horse. Unassigned: É especulado que ferraduras com solados diferentes combinadas com superfícies deformáveis podem mudar a orientação do casco durante a fase de apoio, por exemplo, por razões terapêuticas. Objective: Mensurar o efeito de diferentes ferraduras e superfícies na orientação do casco nos planos sagital e transversal durante a fase de apoio usando um acelerômetro triaxial acoplado à parte dorsal do casco. Unassigned: Experimento in vivo, delineamento randomizado e cruzado. MÉTODOS: As diferenças entre os ângulos dos planos sagital e transverso nas diferentes fases de apoio do casco do membro anterior esquerdo de seis cavalos ao passo utilizando ferradura normal, oval, oval talonada, de pinça larga e com extensão medial ou lateral na grama, areia ou superfície dura foram avaliadas utilizando modelos mistos lineares com ferradura e tipo de superfície como fatores fixos (P < 0.05) para cada animal. Results: Os ângulos do casco foram significativamente afetados pelo tipo de ferradura (P < 0.001), superfície (P < 0.001) e pela combinação de ambos (P < 0.001). O ângulo do plano sagital aumentou em superfícies deformáveis no passo na fase de apoio na grama (média (+/‐SD): 2.6 (+/−3.8) graus) e na areia (2.6 (+/−4.1 graus) para todos os tipos de ferradura. O maior aumento foi observado com a ferradura oval (grama: 4.37 (+/− 3.82) graus; areia 4.69 (+/−3.83) graus). Houve uma tendência de o casco rebaixar mais lateralmente em superfícies deformáveis com todas as ferraduras (grama: 1.11 (+/−1.49) graus; areia: 0.93 (+/−1.93) graus). Ferraduras com extensão medial aumentaram o rebaixamento lateral (grama: 2.00 (+/−1.63) graus; areia: 1.79 (+/−1.58) graus). Ferraduras com extensão lateral reduziram o rebaixamento lateral na grama (0.62 (+/−1.26) graus) e induziram o rebaixamento medial na areia (−0.007 (+/−2.03) graus). PRINCIPAIS LIMITAÇÕES: As propriedades das superfícies não foram avaliadas quantitativamente, e as observações foram limitadas aos cascos dos membros anteriores e ao passo. Um número maior de animais no estudo seria desejável. CONCLUSÕES: A orientação do casco na fase de apoio muda de acordo com combinações específicas de ferradura e superfícies no cavalo ao passo.
Publication Date: 2023-08-17 PubMed ID: 37589397DOI: 10.1111/evj.13990Google Scholar: Lookup
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  • Journal Article

Summary

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The research article investigates how different horseshoes and ground substrates impact a horse’s hoof orientation during mid-stance, particularly while walking. The study used a triaxial accelerometer mounted on the dorsal hoof wall to gather data.

Research Methodology

  • The study was an in vivo experiment performed using a randomised crossover design.
  • To measure hoof orientation in the sagittal and transverse planes, a triaxial accelerometer was mounted on the dorsal hoof wall. This was used to assess the walk of six horses wearing different types of horseshoes: regular, egg bar, toe-wide, medial-wide, lateral-wide, and three-degree egg bar shoes.
  • The horses walked over varying substrates: turf, sand, and hard ground. The substrate and horseshoe type was altered in a random order between each walk.
  • Differences in hoof angles between standing position and mid-stance were measured.
  • Linear mixed models analysis was performed to assess the impact of the horseshoe and substrate type, with these two factors being treated as fixed.

Research Findings

  • Horseshoe type, the ground substrate, and a combination of these two factors had a statistically significant effect on hoof angles during mid-stance.
  • Deformable substrates like turf and sand lead to an increased sagittal plane angle across all shoe types.
  • The most notable increase was observed with egg bar shoes on both sand and turf surfaces.
  • In deformable substrates, all shoe types exhibited a trend for the horse’s hoof to sink laterally.
  • Medial-wide shoes amplified this lateral sinking on both turf and sand surfaces.
  • Lateral-wide shoes, on the contrary, reduced the tendency for lateral sinking on turf and caused a minor medial sinking on sand.

Study Limitations and Conclusions

  • The properties of the substrates were not quantitatively evaluated, limiting a comprehensive understanding of their effect.
  • The research observations were restricted to the horses’ front hooves during a walk, limiting the applicability of findings.
  • A larger sample size could have ensured more robust and generalizable conclusions.
  • Despite these limitations, the study concluded that specific combinations of horseshoes and ground substrates significantly influence a horse’s mid-stance hoof orientation during a walk.

Cite This Article

APA
Reilly PT, van Eps A, Stefanovski D, Pfau T. (2023). The influence of different horseshoes and ground substrates on mid-stance hoof orientation at the walk. Equine Vet J, 56(3), 598-606. https://doi.org/10.1111/evj.13990

Publication

ISSN: 2042-3306
NlmUniqueID: 0173320
Country: United States
Language: English
Volume: 56
Issue: 3
Pages: 598-606

Researcher Affiliations

Reilly, Patrick T
  • Department of Clinical Sciences, New Bolton Center, University of Pennsylvania, Kennett \Square, Pennsylvania, USA.
van Eps, Andrew
  • Department of Clinical Sciences, New Bolton Center, University of Pennsylvania, Kennett \Square, Pennsylvania, USA.
Stefanovski, Darko
  • Department of Clinical Sciences, New Bolton Center, University of Pennsylvania, Kennett \Square, Pennsylvania, USA.
Pfau, Thilo
  • Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada.
  • Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada.

MeSH Terms

  • Horses
  • Animals
  • Hoof and Claw
  • Sand
  • Biomechanical Phenomena
  • Forelimb
  • Shoes
  • Gait

References

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