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Development of novel synthetic muscle tissues for sports impact surrogates

Payne, Thomas, Mitchell, Sean, Bibb, Richard and Waters, Mark 2015. Development of novel synthetic muscle tissues for sports impact surrogates. Journal of the Mechanical Behaviour of Biomedical Materials 41 , pp. 357-374. 10.1016/j.jmbbm.2014.08.011

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Abstract

Impact injuries are commonplace in sport and often lead to performance detriment and debilitation. Personal Protective Equipment (PPE) is prescribed as a mandatory requirement in most sports where these impacts are likely to occur, though the methods of governance and evaluation criteria often do not accurately represent sports specific injury scenarios. One of the key shortcomings of such safety test standards is the human surrogate to which the PPE is affixed; this typically embodies unrepresentative geometries, masses, stiffness and levels of constraint when compared to humans. A key aspect of any human surrogate element is the simulant material used. Most previous sports specific surrogates tend to use off-the-shelf silicone blends to represent all the soft tissue structures within the human limb segment or organ; this approach potentially neglects important human response phenomena caused by the different tissue structures. This study presents an investigation into the use of bespoke additive cure Polydimethysiloxane (PDMS) silicone blends to match the reported mechanical properties of human relaxed and contracted skeletal muscle tissues. The silicone simulants have been tested in uniaxial compression through a range of strain rates and fit with a range of constitutive hyperelastic models (Mooney Rivlin, Ogden and Neo Hookean) and a viscoelastic Prony series.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Dentistry
Publisher: Elsevier
ISSN: 1751-6161
Date of First Compliant Deposit: 26 September 2017
Date of Acceptance: 12 August 2014
Last Modified: 28 Feb 2019 16:52
URI: http://orca.cf.ac.uk/id/eprint/105000

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