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Selected Publication:

Type of publication: Doctoral Thesis
Type of document:

Year: 2017

Authors: Schwarz, Natascha

Title: Evaluierung der dynamischen Kraft- und Druckverteilung innerhalb der Pfote von gesunden Hunden während des Gangzyklus.

Other title: Vertical force distribution in the paws of sound Labrador retrievers during walking

Source: Dissertation, Vet. Med. Univ. Wien, pp. 19.


Advisor(s):

Bockstahler Barbara

Vetmed Research Units:
University Clinic for Small Animals, Clinical Unit of Small Animal Surgery


Abstract:
The use of force plates for measurements of ground reaction forces in veterinary gait analysis increased the last years and gained tremendous popularity. They allow evaluation of the entire limb as well as of the vertical force distribution (VFD) in individual paws. In research of human gait, this technique, known as pedobarography, is standard. Unfortunately this part of gait analysis is scarce investigated in veterinary medicine. Only four studies of measurements of VFD within the paws of dogs do exist. The aim of this study was to investigate the VFD of peak of vertical force (PFz), vertical impulse (IFz) and time of occurrence of PFz during stance phase (TPFz) in twenty adult and sound Labrador Retrievers during normal walking on a force plate by using a technique that divides the canine paw prints into quadrants(craniolateral, craniomedial, caudolateral and caudomedial). The hypothesis of the study, that the paws of Labrador retrievers are subject to higher forces in the cranial than the caudal quadrants and in the lateral than the medial quadrants, was supported. We could also demonstrate that generally there are higher forces noticed in the forelimbs compared to the hindlimbs. The cranial/caudal ratio was higher in the hindlimbs than in the forelimbs. The TPFz was reached earlier in the hindlimbs and caudal quadrants than in the forelimbs and cranial quadrants. This study provides initial data from clinically sound Labrador retrievers for future assessments of locomotion and can be used as basis values for future research investigating orthopedically- and/or neurologically-impaired animals. Moreover, they could aid in the development of this approach as a diagnostic tool, similar to pedobarography in human medicine


Publication(s) resulting from University thesis:

Schwarz, N; Tichy, A; Peham, C; Bockstahler, B (2017): Vertical force distribution in the paws of sound Labrador retrievers during walking. Vet J. 2017; 221:16-22

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