[Elbow dysplasia in the dog: finite element analysis]

Polikeit, Anne; Ferguson, Stephen J; Schawalder, Peter (2007). [Elbow dysplasia in the dog: finite element analysis]. Biomedizinische Technik / Biomedical engineering, 52(4), pp. 308-14. Berlin: Walter de Gruyter 10.1515/BMT.2007.052

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For young active dogs of large, fast-growing breeds, diseases of the elbow represent an increasing important disorder. Genetic predisposition, overweight and joint overload have been proposed as possible causes of elbow dysplasia. In this study, the influence of various biomechanical parameters on load transfer in healthy and pathological dog elbows has been analysed by means of a two-dimensional finite element model. Pathological changes in the elbow structure, such as altered material properties or asynchronous bone growth, have a distinct influence on the contact pressure in the joint articulation, internal bone deformation and stresses in the bones. The results obtained support empirical observations made during years of experience and offer explanations for clinical findings that are not yet well understood.

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