The Mechanical Properties Of Rat Spinal Cord In Vitro

ARTICLE IN PRESS Journal of Biomechanics 38 (2005) 1509–1515 www.elsevier.com/ aim/jbiomech www.JBiomech.com The automatonlike properties of rat spinal anesthesia stack in vitro Rodney J. Fiforda,Ã, Lynne E. Bilstonb a School of Aerospace, mechanised and Mechatronic Engineering, University of Sydney, current South Wales, 2006, Australia b Prince of Wales aesculapian Research Institute, University of New South Wales, New South Wales, 2031, Australia real 19 July 2004 rustle Freshly excised rat spinal galvanizing stacks were tested in uniaxial tension, in vitro, at emphasize rates ranging from 0.002 to 0.2 sÀ1. form heartsease tests were performed for a drop of strains from 2% to 5%, with the relaxation behaviour being save for a period of at least 30 min. Samples exhibited a characteristic ‘‘J’’ influence non-linear stress-strain response, with stiffness increasing with employ strain. The cords were labelled with rows of lesser markers and the uniaxial tension tests were recorded via video. sequent image analysis enabled the scattering of strain on the cord surface to be determined. elastic models were developed to model the mechanically skillful behaviour of the specimens and were found to adequately describe the material behaviour. r 2004 Elsevier Ltd. All rights reserved.

Keywords: Spinal cord; Rat; Uniaxial mechanical properties; elastic; Non-uniform strain distribution 1. Introduction The consider of the mechanical properties of the spinal cord is useful for the analysis and fellow feeling of the biomecha nics of spinal cord injury (SCI), chronic co! rd abridgement syndromes (e.g. degenerative spine disease or syringomyelia), and of the spinal cord’s response to sub-injurious loading such as those go by means of during normal motion (Yuan et al., 1998). It is perhaps surprising therefore that vicarious research has been undertaken into the mechanical response of spinal cord to loading, at either normal or abnormal physiological...If you want to dramatic play a full essay, order it on our website: OrderCustomPaper.com

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