Experimental and numerical biomechanical analysis of human lumbar spine

Kurutzné, Kovács Márta and Fornet, Béla and Gálos, Miklós and Tornyos, Árpád and Szabadszállási, Tibor (2006) Experimental and numerical biomechanical analysis of human lumbar spine. JOURNAL OF COMPUTATIONAL AND APPLIED MECHANICS, 7 (1). pp. 23-39. ISSN 1586-2070

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Abstract

A survey of biomechanical research of human lumbar spine is presented, done by the research group of the Department of Structural Mechanics and the Research Centre for Biomechanics of Budapest University of Technology and Economics. A complex biomechanical analysis of the human lumbar spine is investigated, aimed partly to improve the efficiency of conservative traction therapies and partly to prevent the osteoporosis. The former concerns tension, the latter compression of lumbar spine. As for the tension, time-related in vivo elongations were measured during the regular traction hydrotherapy of patients. Based on the experimental results, parameter-dependent viscoelastic numerical tensile models of the lumbar functional spinal units were created for numerical simulation and parameter identification. As for the compression, in vitro compression tests were executed for lumbar vertebral bodies, together with measuring the bone mineral density and trabecular morphometry, to determine the relations between compressive load bearing capacity and bone architecture. In this paper a survey of these experimental and numerical approaches of biomechanics of the human lumbar spine will be reported.

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