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Equine veterinary journal2020; 53(3); 417-430; doi: 10.1111/evj.13331

Microdamage in the equine superficial digital flexor tendon.

Abstract: The forelimb superficial digital flexor tendon (SDFT) is an energy-storing tendon that is highly susceptible to injury during activities such as galloping and jumping, such that it is one of the most commonly reported causes of lameness in the performance horse. This review outlines the biomechanical and biothermal effects of strain on the SDFT and how these contribute to the accumulation of microdamage. The effect of age-related alterations on strain response and subsequent injury risk is also considered. Given that tendon is a slowly healing and poorly regenerative tissue, prompt detection of early stages of pathology in vivo and timely adaptations to training protocols are likely to have a greater outcome than advances in treatment. Early screening tools and detection protocols could subsequently be of benefit in identifying subclinical signs of degeneration during the training programme. This provides an opportunity for preventative strategies to be implemented to minimise incidences of SDFT injury and reduce recovery periods in elite performance horses. Therefore, this review will focus on the modalities available to implement early screening and prevention protocols as opposed to methods to diagnose and treat injuries.
© 2020 The Authors. Equine Veterinary Journal published by John Wiley & Sons Ltd on behalf of EVJ Ltd.
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Publication Date: 2020-09-02 PubMed ID: 32772396DOI: 10.1111/evj.13331Google Scholar: Lookup
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Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The paper discusses the susceptibility of the superficial digital flexor tendon (SDFT) in horses to injury during rigorous activities like galloping and jumping, leading to lameness. It further explores how early detection of such injuries can minimize recovery time and suggests prevention and screening measures.

Understanding the Superficial Digital Flexor Tendon (SDFT)

  • The SDFT is an essential part of an horse’s anatomy that acts as an energy-storing tendon, especially during vigourous activities such as galloping and jumping. However, due to its function, the SDFT is prone to injury, making it one of the leading causes of lameness in horses, especially those engaged in high-performance activities.

The Impact of Biomechanical and Biothermal Strain

  • The paper explores how biomechanical and biothermal strain contributes to the accumulation of microdamage in the SDFT. During activities that exert stress on the SDFT, the resulting biomechanical and biothermal effects can cause small-scale, cumulative damage to the tendon.

Age-related Considerations

  • The researchers also consider the effect of age-related changes on the SDFT’s response to strain and subsequent risk of injury. As horses age, their tendon’s ability to cope with strain may deteriorate, leading to an increased risk of injury.

The Importance of Early Detection

  • Since tendons generally heal slowly and have poor regenerative capabilities, the paper emphasizes the importance of identifying the early stages of pathological changes. Timely adjustment to training protocols is suggested to be more effective than treatment advancements.

Injury Prevention and Early Detection Protocols

  • The authors advocate for the use of early screening tools and detection protocols to identify subclinical signs of degeneration during a training programme. This could allow for the implementation of preventive strategies to minimize SDFT injury occurrence and reduce recovery periods in high-performance horses.
  • Instead of focusing on diagnosing and treating injuries, the paper’s central theme is the development and use of mechanisms for early injury detection, screening, and prevention.

Cite This Article

APA
O'Brien C, Marr N, Thorpe C. (2020). Microdamage in the equine superficial digital flexor tendon. Equine Vet J, 53(3), 417-430. https://doi.org/10.1111/evj.13331

Publication

Equine veterinary journal
ISSN: 2042-3306
NlmUniqueID: 0173320
Country: United States
Language: English
Volume: 53
Issue: 3
Pages: 417-430

Researcher Affiliations

O'Brien, Claire
  • University of Winchester, Winchester, UK.
Marr, Neil
  • Department of Comparative Biomedical Sciences, Royal Veterinary College, London, UK.
Thorpe, Chavaunne
  • Department of Comparative Biomedical Sciences, Royal Veterinary College, London, UK.

MeSH Terms

  • Animals
  • Forelimb
  • Horse Diseases / diagnosis
  • Horses
  • Tendon Injuries / diagnosis
  • Tendon Injuries / veterinary
  • Tendons
  • Wound Healing

Grant Funding

  • Versus Arthritis Career Development Fellowship

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