Utility of Infrared Thermography for Monitoring of Surface Temperature Changes During Horses’ Work on Water Treadmill with an Artificial River System

Water treadmill (WT) exercise is used for horses’ rehabilitation and training. Given that each training needs to be individualized for each horse, the goal is to assess whether infrared thermography (IRT) can serve as a non-invasive tool for daily monitoring of individual training and rehabilitation...

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Bibliographic Details
Main Authors: Urszula Sikorska, Małgorzata Maśko, Barbara Rey, Małgorzata Domino
Format: Article
Language:English
Published: MDPI AG 2025-08-01
Series:Animals
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Online Access:https://www.mdpi.com/2076-2615/15/15/2266
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Summary:Water treadmill (WT) exercise is used for horses’ rehabilitation and training. Given that each training needs to be individualized for each horse, the goal is to assess whether infrared thermography (IRT) can serve as a non-invasive tool for daily monitoring of individual training and rehabilitation progress in horses undergoing WT exercise. Fifteen Polish Warmblood school horses were subjected to five WT sessions: dry treadmill, fetlock-depth water, fetlock-depth water with artificial river (AR), carpal-depth water, and carpal-depth water with AR. IRT images, collected pre- and post-exercise, were analyzed for the mean temperature (Tmean) and maximal temperature (Tmax) across 14 regions of interest (ROIs) representing the body surface overlying specific superficial muscles. While on a dry treadmill, Tmean and Tmax increased post-exercise in all ROIs; wetting of the hair coat limited surface temperature analysis in ROIs annotated on limbs. Tmax over the <i>m. brachiocephalicus</i>, <i>m. trapezius pars cervicalis</i>, <i>m. triceps brachii</i>, and <i>m. semitendinosus</i> increased during walking in carpal-depth water, which therefore may be suggested as an indirect indicator of increased activity related to forelimb protraction and flexion–extension of the limb joints. Tmax over the <i>m. latissimus dorsi</i> and <i>m. longissimus</i> increased during carpal-depth WT exercise with active AR mode, which may be suggested as an indicator of increased workload including vertical displacement of the trunk.
ISSN:2076-2615