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Veterinary sciences2021; 8(6); 92; doi: 10.3390/vetsci8060092

Biplanar High-Speed Fluoroscopy of Pony Superficial Digital Flexor Tendon (SDFT)-An In Vivo Pilot Study.

Abstract: The superficial digital flexor tendon (SDFT) is the most frequently injured structure of the musculoskeletal system in sport horses and a common cause for early retirement. This project's aim was to visualize and measure the strain of the sound, injured, and healing SDFTs in a pony during walk and trot. For this purpose, biplanar high-speed fluoroscopic kinematography (FluoKin), as a high precision X-ray movement analysis tool, was used for the first time in vivo with equine tendons. The strain in the metacarpal region of the sound SDFT was 2.86% during walk and 6.78% during trot. When injured, the strain increased to 3.38% during walk and decreased to 5.96% during trot. The baseline strain in the mid-metacarpal region was 3.13% during walk and 6.06% during trot and, when injured, decreased to 2.98% and increased to 7.61%, respectively. Following tendon injury, the mid-metacarpal region contributed less to the overall strain during walk but showed increased contribution during trot. Using this marker-based FluoKin technique, direct, high-precision, and long-term strain measurements in the same individual are possible. We conclude that FluoKin is a powerful tool for gaining deeper insight into equine tendon biomechanics.
Publication Date: 2021-05-27 PubMed ID: 34072030PubMed Central: PMC8228745DOI: 10.3390/vetsci8060092Google Scholar: Lookup
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  • Journal Article

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 research report involves a pioneering in vivo study using high-speed fluoroscopic kinematography (FluoKin) to examine and quantify the strain on the superficial digital flexor tendon (SDFT) of a pony during movement. This tendon is critical for athletic horses, and it’s often linked to premature retirement due to injuries.

Tools and Method

  • Researchers used the advanced X-ray movement analysis tool known as biplanar high-speed fluoroscopic kinematography (FluoKin). This was the first time FluoKin had been used in vivo – or within a living organism – on equine tendons.
  • FluoKin enabled direct, high-precision, and longitudinal strain measurements in the same individual. This innovative technique differs from past methods which only allowed indirect or less precise measurements.

Findings and Observations

  • The strain in the metacarpal region of the healthy SDFT was quantified as 2.86% during walking and 6.78% during trotting.
  • When the SDFT was injured, the strain rose to 3.38% during walking and fell to 5.96% during trotting.
  • For the mid-metacarpal region of SDFT, the baseline strain was 3.13% during walking and 6.06% during trotting. With an injury, these measurements changed to 2.98% and rose to 7.61%, respectively.
  • Peculiarly, following a tendon injury, the mid-metacarpal region was found to contribute less to the total strain during a walk, but its contribution increased during a trot.

Significance and Conclusions

  • This pilot study provided evidence for the applicability and efficiency of FluoKin as a potent tool for extensive studies into equine tendon biomechanics.
  • This might enhance our knowledge about tendon injuries in horses and could potentially contribute to designing better training or recovery regimes.
  • This research also has broader implications, suggesting that similar studies might be conducted on other tendons of veterinary or medical interest.

Cite This Article

APA
Wagner FC, Gerlach K, Geiger SM, Gittel C, Böttcher P, Mülling CKW. (2021). Biplanar High-Speed Fluoroscopy of Pony Superficial Digital Flexor Tendon (SDFT)-An In Vivo Pilot Study. Vet Sci, 8(6), 92. https://doi.org/10.3390/vetsci8060092

Publication

ISSN: 2306-7381
NlmUniqueID: 101680127
Country: Switzerland
Language: English
Volume: 8
Issue: 6
PII: 92

Researcher Affiliations

Wagner, Franziska C
  • Institute of Veterinary Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, Leipzig University, An den Tierkliniken 43, 04103 Leipzig, Germany.
Gerlach, Kerstin
  • Department for Horses, Faculty of Veterinary Medicine, Leipzig University, An den Tierkliniken 43, 04103 Leipzig, Germany.
Geiger, Sandra M
  • Institute of Veterinary Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, Leipzig University, An den Tierkliniken 43, 04103 Leipzig, Germany.
Gittel, Claudia
  • Department for Horses, Faculty of Veterinary Medicine, Leipzig University, An den Tierkliniken 43, 04103 Leipzig, Germany.
Böttcher, Peter
  • Small Animal Clinic, Department of Veterinary Medicine, Freie Universität Berlin, Oertzenweg 19b, 14163 Berlin, Germany.
Mülling, Christoph K W
  • Institute of Veterinary Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, Leipzig University, An den Tierkliniken 43, 04103 Leipzig, Germany.

Grant Funding

  • VetMed2016FW_SG / Faculty of Veterinary Medicine, Leipzig University

Conflict of Interest Statement

The authors declare no conflict of interest.

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Citations

This article has been cited 1 times.
  1. Demuth OE, Herbst E, Polet DT, Wiseman ALA, Hutchinson JR. Modern three-dimensional digital methods for studying locomotor biomechanics in tetrapods.. J Exp Biol 2023 Apr 25;226(Suppl_1).
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