Evaluation of vertical forces in the pads of Pitbulls with cranial cruciate ligament rupture

BMC Veterinary Research

Julia Maria Matera²  Angelica Cecilia Tatarunas¹  Alexandre Navarro Alves Souza² 

[1] Department of Veterinary Medicine, School of Animal Science and Food Engineering, University of São Paulo (FZEA/USP), Pirassununga, SP, Brazil;Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo (FMVZ/USP), São Paulo, SP, Brazil

关键词: Pads;    Kinetic analysis;    Dogs;    Cranial cruciate ligament rupture;    Vertical forces;   

Others  :  1119319
DOI  :  10.1186/1746-6148-10-51

 received in 2013-07-22, accepted in 2014-02-25,  发布年份 2014

【 摘 要 】

Background

Cranial cruciate ligament rupture (CCLR) is one of the most important stifle injuries and a common cause of lameness in dogs. Our objective was to measure the vertical forces in the pads of Pitbulls with cranial cruciate ligament rupture (CCLR) using a pressure sensitive walkway. A pressure sensitive walkway was used to collect vertical force data from the pads of 10 Pitbulls affected with unilateral CCLR. Ten healthy Pitbulls were included in the study as controls. Velocity varied between 1.3 and 1.6 m/s and acceleration was kept below ± 0.1 m/s². Differences between groups and between pads in the same limb within groups were investigated using ANOVA and the Tukey test. The paired Student t-test was employed to assess gait symmetry (p < 0.05).

Results

Peak vertical forces (PVF) were lower in the affected limb, particularly in the metatarsal pad. Increased PVF values in the forelimb and the contralateral hind limb pads of affected dogs suggest a compensatory effect.

Conclusions

A consistent pattern of vertical force distribution was observed in the pads of dogs with CCLR. These data are important for increased understanding of vertical force distribution in the limb of dogs with CCLR disease. Kinetic analysis using pressure sensitive walkways can be useful in follow-up assessment of surgically treated dogs regardless of the surgical technique employed.

【 授权许可】

   
2014 Souza et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

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