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Updated: Jun 7, 2026
11:09
Construction of a Realistic, Whole-Body, Three-Dimensional Equine Skeletal Model using Computed Tomography Data
Published on: February 25, 2021
Vertical dimensions of suspended horses
R E Clutton1, M Chase-Topping, R Squires
1Division of Veterinary Clinical Sciences, The University of Edinburgh, Easter Bush Veterinary Centre, UK. e.clutton@ed.ac.uk
Equine Veterinary Journal
|November 3, 2010
Summary
Measurements of anaesthetised horses during suspension are now known. These dimensions can be estimated from standing horse measurements, aiding surgical facility design.
Area of Science:
- Veterinary Surgery
- Equine Medicine
- Biomechanical Engineering
Background:
- Accurate dimensions of anaesthetised horses are unknown.
- Data are needed for cost-effective equine surgical facility design.
Purpose of the Study:
- To measure key dimensions of anaesthetised, suspended horses.
- To correlate these measurements with data from standing horses.
Main Methods:
- Digital photography and trigonometry were used to determine dimensions.
- Principal component analysis derived an equine morphological index (EMI).
- Regression analysis correlated suspended dimensions with EMI and standing measurements.
Main Results:
- An equine morphological index (EMI) was developed: EMI = 0.531mass + 0.528Wstand + 0.469crest + 0.468back.
- Suspended back margin height (Bsusp) estimated by Bsusp = 118.71 + 0.128EMI.
- Poll height (Psusp) associated with standing height at withers (Wstand): Psusp = 46.9 + 1.01Wstand.
Conclusions:
- Horse dimensions during suspension can be predicted from standing measurements.
- Informed planning of equine surgical facilities using mechanical hoists is now possible.
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