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On the anisotropy of skeletal muscle tissue under compression

Paper ID Volume ID Publish Year Pages File Format Full-Text
432 42 2014 10 PDF Available
Title
On the anisotropy of skeletal muscle tissue under compression
Abstract

This paper deals with the role of the muscle fibres and extracellular matrix (ECM) components when muscle tissue is subjected to compressive loads. To this end, dissected tissue samples were tested in compression modes which induced states of fibres in compression (I), in tension (II) or at constant length (III), respectively. A comparison of the stress responses indicated that the tissue behaviour is significantly different for these modes, including differences between the modes (I) and (III). This contradicts the paradigm of many constitutive models that the stress response can be decomposed into an isotropic part relating to the ECM and an anisotropic fibre part the contribution of which can be neglected under compression. Conversely, the results provide experimental evidence that there is an anisotropic contribution of the fibre direction to the compressive stress. Interpreting these results in terms of recent microscopical studies, potential connections between the observed behaviour and the structure of muscle ECM are established.

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Keywords
Skeletal muscle; Extracellular matrix; Porcine biceps femoris muscle; Pure shear; Constitutive models
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On the anisotropy of skeletal muscle tissue under compression
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Publisher
Database: Elsevier - ScienceDirect
Journal: Acta Biomaterialia - Volume 10, Issue 7, July 2014, Pages 3225–3234
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
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