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Type of publication: Journal Article
Type of document: Full Paper

Year: 2020

Authors: Reicher, B; Tichy, A; Bockstahler, B

Title: Center of Pressure in the Paws of Clinically Sound Dogs in Comparison with Orthopedically Diseased Dogs.

Source: Animals (Basel). 2020; 10(8):1366

Authors Vetmeduni Vienna:

Bockstahler Barbara
Reicher Bianca
Tichy Alexander

Vetmed Research Units
University Clinic for Small Animals, Clinical Unit of Small Animal Surgery
Platform Bioinformatics and Biostatistics

The center of pressure (COP) is recognized as a valuable tool for the assessment of orthopedic and neurologic disorders in humans. Relatively few studies are available in veterinary medicine, particularly concerning the COP in the individual paw. This study assessed the dynamic paw COP parameters during the stance phase of dogs with cox- or cubarthrosis (20 dogs each), as well as of 20 sound dogs. Data were obtained by walking over a pressure platform and analyzed within the diseased groups in comparison to the control group. Both diseased groups showed significant differences between the affected and non-affected limbs, but also in comparison to the reference limbs of sound animals. For coxathrosis, the primary increase was in the medio-lateral COP displacement and the COP area in both hind limbs. For cubarthrosis, the most prominent changes were an increase in the medio-lateral COP displacement in the ipsilateral hind limb and in the cranio-caudal COP displacement in the lame limb. Additionally, the COP area increased in both hind limbs. This can reflect a compensatory redistribution of the body mass as well as compensatory changes of body balance.

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