Passive mechanical behaviors of mammal extraocular muscles: a comparison among fox, pig and sheep

doi:10.3969/j.issn.2095-4344.2017.36.015

Abstract

Abstract:

BACKGROUND: The extraocular muscles control the movement of the eyeball, and its biomechanics is essential for studying eye movement.
OBJECTIVE: To determine the differences in mechanical properties of the extraocular muscles in different mammals.
METHODS: This was an in vitro study. The extraocular muscles were extracted from foxes, pigs and sheep, and then we used an Instron 5544 tester to perform uniaxial experiments under the same load. Ogden hyperelastic models of each animal extraocular muscle were obtained based on the experimental data, and the passive mechanical behaviors of the extraocular muscle were compared statistically among different animals.
RESULTS AND CONCLUSION: The order of load-strain values was as follows: fox > sheep > pig. The fitted curve of each animal extraocular muscle was well in accordance with the mean data. There were significant differences in the passive mechanical behaviors of extraocular muscles among mammals, including hyperelastic parameters and stress response at the same load level.

中国组织工程研究杂志出版内容重点：组织构建；骨细胞；软骨细胞；细胞培养；成纤维细胞；血管内皮细胞；骨质疏松；组织工程

Key words: Mammals, Oculomotor Muscles, Biomechanics, Tissue Engineering

CLC Number:

R318

Bai Ya-jia, Gao Zhi-peng, Chen Wei-yi. Passive mechanical behaviors of mammal extraocular muscles: a comparison among fox, pig and sheep[J]. Chinese Journal of Tissue Engineering Research, 2017, 21(36): 5824-5829.

Figures/Tables 1

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