Circumferential hoof clamp method of lameness induction in the horse

M. E. Swaab, J. L. Mendez-Angulo, D. M. Groschen, Nicolas S Ernst Castro, M. P. Brown, Troy Trumble

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3 Scopus citations


A circumferential hoof clamp method to induce controlled and reversible lameness in the forelimbs of eight horses was assessed. Peak vertical forces and vertical impulses were recorded using a force plate to verify induced lameness. Video recordings were used by blinded observers to determine subjective lameness using a 0-5 scale and any residual lameness following clamp loosening. Tightening of clamps resulted in consistent, visible lameness in the selected limbs in all horses. Lameness was confirmed by significant decreases from baseline in the peak vertical force (P < 0.01). Lameness was also confirmed subjectively by elevated median scores (0 at baseline and 2 during lameness). Lameness was not immediately reversible after clamp loosening (median score 1.5), but horses were not obviously lame after clamp removal and were no different from initial baseline (median score 0.5) approximately 3 days later.

Original languageEnglish (US)
Pages (from-to)81-86
Number of pages6
JournalVeterinary Journal
Issue number1
StatePublished - Jul 1 2015

Bibliographical note

Publisher Copyright:
© 2015 Elsevier Ltd.


  • Biomechanics
  • Circumferential hoof clamp
  • Equine
  • Induced lameness


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