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Gewählte Publikation:

Publikationstyp: Zeitschriftenaufsatz
Dokumenttyp: Originalarbeit

Jahr: 2017

AutorInnen: Schwarz, N; Tichy, A; Peham, C; Bockstahler, B

Titel: Vertical force distribution in the paws of sound Labrador retrievers during walking.

Quelle: Vet J. 2017; 221:16-22

Autor/innen der Vetmeduni Vienna:

Bockstahler Barbara
Peham Christian
Tichy Alexander

Beteiligte Vetmed-Organisationseinheiten
Universitätsklinik für Kleintiere, Klinische Abteilung für Kleintierchirurgie
Universitätsklinik für Pferde, Klinische Abteilung für Pferdechirurgie
Plattform Bioinformatik und Biostatistik

In contrast to gait analysis in humans, where pedobarography is an integral part of biomechanical studies, veterinary researchers have rarely investigated vertical force distribution (VFD) in the paws of dogs. 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 20 sound, adult Labrador retrievers walking normally on a pressure plate. A technique was used that divided the canine paw prints into quadrants. A general linear model was introduced to investigate the effects of forelimbs/hindlimbs, body side, and medial/lateral and cranial/caudal quadrants on VFD as they related to the total force (sum of all PFz/IFz values). For PFz and IFz, there were significantly greater effects on VFD in the lateral quadrants compared to the medial quadrants, respectively (6.49 ± 2.56% vs. 6.01 ± 2.60% and 6.62 ± 3.06% vs. 5.88 ± 3.21%; P < 0.001), in the forelimbs compared to the hindlimbs (8.02 ± 2.13% vs. 4.48 ± 1.61% and 8.02 ± 2.83% vs. 4.48 ± 2.36%; P < 0.001), and in the cranial quadrants compared to the caudal quadrants (7.87 ± 2.09% vs. 4.63 ± 1.93% and 8.57 ± 2.17% vs. 3.88 ± 1.98%; P < 0.001). The cranial/caudal ratio was higher in the hindlimbs than in the forelimbs (PFz: 2.10 ± 0.45 vs. 1.65 ± 0.32; P = 0.001; and IFz: 3.35 ± 0.80 vs. 2.04 ± 0.46; P < 0.001). The TPFz was reached earlier in the hindlimbs than in the forelimbs (46.86 ± 19.16% vs. 54.08 ± 19.62%; P < 0.001) and in the caudal quadrant than in the cranial quadrant (32.57 ± 5.77% vs. 68.37 ± 10.01%; P < 0.001). These data from sound Labrador retrievers could be used as a basis for future research investigating orthopedically- and/or neurologically-impaired animals.Copyright © 2017 Elsevier Ltd. All rights reserved.

Keywords Pubmed: Animals
Biomechanical Phenomenaphysiology

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