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J Biomech Eng. 2015 Mar;137(3). doi: 10.1115/1.4029302. Epub 2015 Feb 5.

Cervine tibia morphology and mechanical strength: a suitable tibia model?

Abstract

Animal models for orthopaedic implant testing are well-established but morphologically dissimilar to human tibiae; notably, most are shorter. The purpose of this study was to quantitatively evaluate the morphology and mechanical properties of the cervine tibia, particularly with regard to its suitability for testing orthopaedic implants. Two endosteal and eleven periosteal measurements were made on 15 cervine tibiae. The mechanical strength in axial compression and torsion was measured using 11 tibiae. The cervine tibia is morphologically similar to the human tibia and more closely matches the length of the human tibia than current tibia models (ovine, porcine, and caprine). The distal epiphysis dimensions are notably different, but no more so than the current tibia models. The torsional stiffness of the cervine tibia is within the range of previously reported values for human tibiae. Furthermore, in many regions, cervine tibiae are abundant and locally available at a low cost. Given these mechanical and morphological data, coupled with potential cost savings if regionally available, the cervine tibia may be an appropriate model for orthopaedic implant testing.

PMID:
25473942
DOI:
10.1115/1.4029302
[Indexed for MEDLINE]

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