A systematic approach to comparing thermal activity of the thoracic region and saddle pressure distribution beneath the saddle in a group of non-lame sports horses

Russell Mackechnie-Guire, Mark Fisher, Helen Mathie, Kat Kuczynska, Vanessa Fairfax, Diana Fisher, Thilo Pfau

Research output: Contribution to journalJournal Articlepeer-review

2 Citations (Scopus)

Abstract

Thermography is a non-invasive method for measuring surface temperatures and may be a convenient way of identifying hypo/hyperthermic areas under a saddle that may be related to saddle pressures. A thermal camera quantified minimum/maximum/mean temperatures at specific locations (left/right) of the thoracic region at three-time points: (1) baseline; (2) post lunging; (3) post ridden exercise in eight non-lame sports horses ridden by the same rider. A Pliance (Novel) pressure mat determined the mean/peak saddle pressures (kPa) in the cranial and caudal regions. General linear mixed models with the horse as the random factor investigated the time point (fixed factor: baseline; lunge; ridden) and saddle fit (fixed factor: correct; wide; narrow) on thermal parameters with Bonferroni post hoc comparison. The saddle pressure data (grouped: saddle width) were assessed with an ANOVA and Tukey post hoc comparison (p ≤ 0.05). Differences between the saddle widths in the cranial/caudal mean (p = 0.05) and peak saddle pressures (p = 0.01) were found. The maximum temperatures increased post lunge (p ≤ 0.0001) and post ridden (p ≤ 0.0001) compared to the baseline. No difference between post lunge and post ridden exercise (all p ≥ 0.51) was found. The thermal activity does not appear to be representative of increased saddle pressure values. The sole use of thermal imaging for saddle fitting should be applied with caution.
Original languageEnglish
JournalAnimals
Volume11
Issue number4
DOIs
Publication statusPublished - 13 Apr 2021
Externally publishedYes

Keywords

  • Asymmetry
  • Degree
  • Hyperthermic
  • Hypothermic
  • Magnitude
  • Symmetry

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