Relationship between Ground Reaction Forces and Morpho- Metric Measures in Two Different Canine Phenotypes Using
Giovanni Della Valle1, Chiara Caterino1, Federica Aragosa1
1Department of Veterinary Medicine and Animal Production, University of Naples "Federico II", 80137 Naples, Italy.
Veterinary Sciences
|July 25, 2022
Summary
Morphometric measures and their interactions significantly influence ground reaction forces (GFRs) in dogs. Comparisons of GFRs are more reliable between canine morphological types than between breeds.
Area of Science:
- Canine biomechanics
- Veterinary orthopedics
- Animal locomotion analysis
Background:
- Force plate analysis is crucial for assessing canine gait symmetry and limb loading.
- Individual and breed variations in body size and conformation significantly impact gait parameters.
- Previous studies highlight the challenges in comparing ground reaction forces (GFRs) across different dog breeds due to inherent variability.
Purpose of the Study:
- To evaluate the influence of morphometric measures on gait parameters like speed (V), peak vertical force (PVF), vertical impulse (VI), and stance time (ST) in dolichomorph and mesomorph dogs.
- To investigate the combined effects and interactions of morphometric measures with V, PVF, VI, and ST within these morphological types.
- To determine the reliability of comparing GFRs between canine morphological types versus breeds.
Main Methods:
- Prospective study involving 50 healthy dogs.
- Collection of specific morphometric measurements for each dog.
- Utilized force platform to record ground reaction forces (GFRs), including PVF and VI.
- Employed multiple linear regression models to analyze the data.
Main Results:
- Ground reaction forces (GFRs) are influenced by the interaction of morphometric measures (body weight, withers height, speed), rather than single contributions.
- A significant interaction was observed between morphometric measures and gait parameters.
- Direct comparison of GFRs between different dog breeds is unreliable due to subjective variabilities.
Conclusions:
- Morphometric characteristics play a complex role in modulating ground reaction forces during locomotion in dogs.
- Comparing canine gait parameters between broad morphological types (dolichomorph, mesomorph) is more scientifically sound than comparing between individual breeds.
- Future research should focus on morphological typing for more accurate gait analysis in dogs.
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