Published: 27 Apr 2020 | Last Updated: 28 Apr 2020 12:57:27

A peer-reviewed study, by the Royal Veterinary College (RVC), which examines the effect of farriery interventions, in this case road nails, and demonstrates the impact on horses movement symmetry including weight bearing and propulsion has been published.

Key findings from the study, which was undertaken as part of the RVC’s Graduate Diploma in Equine Locomotor Research (Grad Dip ELR), show that while there are many different shoes on the market and various approaches to shoeing and trimming, it’s important to look at the effect of changes in ‘shoeing’ on the symmetry of movement, rather than the other way round. This evidence-based research can then be combined with owner and trainer observations to help make more informed decisions.

The study, which used tungsten road nails, indicates that pelvic movement symmetry in horses trotting on tarmac can be altered by the application of a road nail to the lateral heel of a hindlimb shoe. Subtle asymmetry in pelvic movement can for example be quantified as the difference in displacement amplitude between left and right tuber coxae (hip hike difference). The changes in pelvic movement symmetry – observed as a function of applying a road nail – can be explained by increased weight bearing and propulsion in the hind limb with the road nail.

Using wireless inertial measurement units, which were fitted to the poll, withers, sacrum and left and right tuber coxae of each horse, the results indicate that this form of data collection provides a valuable method of evaluating small movement changes of the horse in reaction to different shoeing protocols and shoe types. Movement symmetry is an important parameter influencing longevity and performance, and can be measured irrespective of the surface (firm or soft) the horse is worked on.

Graduates of the course, Lee Collins and Peter Day, worked alongside academics at the RVC to conduct the research. The project is the culmination of the pair’s work on the course which offers professional farriers the chance to develop the skill-set necessary to produce original research and increase the evidence base behind farriery.

Peter Day, who has worked as a farrier at the RVC for over 20 years and studied for his Grad Dip ELR, said: “I have spent many years at the RVC providing equine foot care as well as teaching and supporting many research projects. With the arrival of the Grad Dip ELR, it was a forgone conclusion that I would be involved.

“Within the farriery industry, we talk a lot about the changes we can achieve with different shoeing and foot trimming protocols and most, if not all, is anecdotal and purely based on subjective visual observation.”

“As part of my diploma, I wanted to research something that was relevant to farriery and could be done outside the laboratory. My hope is that, having gained this qualification, I would like to undertake a master’s degree and will carry out further research to evaluate the use of traction devices and shoe designs for grip and propulsion. It is my intention to relate this work on upper body movement to the level of the hoof.”

Dr.-Ing.Thilo Pfau, Course Director of the Grad Dip in ELR, said: “It is very exciting to see the first peer-reviewed publication that has arisen from work undertaken as part of our Graduate Diploma in Equine Locomotor Research. The publication describes the combined outcome of two research projects undertaken by students – Peter Day and Lee Collins – as part of their degree at the RVC.

“We always encourage our students to create research of publishable quality and to contribute to the much-needed evidence-base surrounding trimming, shoeing and farriery. Peter and Lee have done exactly this, and we congratulate them for this achievement and are looking forward to others following in their footsteps.”

The course allows farriers to develop such skills as referencing, communication, presentation and academic writing, with a key emphasis on teamwork and the value of a shared goal. More widely, the course aims to promote better communication between farriers and veterinary practitioners.

The full paper, The Effect of Tungsten Road Nails on Locomotor Biomechanics in Horses Moving on Tarmac Surface, is published in The Journal of Equine Veterinary Science

For more information about the RVC’s Grad Dip ELR, visit the course pages for the Graduate Diploma in Equine Locomotor Research.

Notes to Editors

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Overview of Graduate Diploma in Equine Locomotor Research (GradDip ELR)

The new Graduate Diploma in Applied Equine Locomotor Research from the RVC offers professional farriers the chance to develop the skill-set necessary to produce original research and increase the evidence base behind farriery. The course takes a minimum of two and a maximum of five years to complete. Some of the programme is delivered during residential weekend sessions while some of the learning is self-directed, with continuous support from teaching staff.

About the RVC

  • The Royal Veterinary College (RVC) is the UK's largest and longest established independent veterinary school and is a Member Institution of the University of London.
  • It was the first in the world to hold full accreditation from AVMA, EAEVE, RCVS and AVBC.
  • The RVC is the top veterinary school in the UK and Europe, and ranked as the world’s second highest veterinary school in the QS World University Rankings by subject, 2020.
  • The RVC offers undergraduate and postgraduate programmes in veterinary medicine, veterinary nursing and biological sciences.
  • In 2017, the RVC received a Gold award from the Teaching Excellence Framework (TEF) – the highest rating a university can receive.
  • A research led institution with 79% of its research rated as internationally excellent or world class in the Research Excellence Framework 2014.
  • The RVC provides animal owners and the veterinary profession with access to expert veterinary care and advice through its teaching hospitals and first opinion practices in London and Hertfordshire.

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