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Title: Stability of the spine modelled as an arch
Authors: Xiao, Di-Chen
Acar, B. Serpil
Case, Keith
Porter, J. Mark
Keywords: Stability
Issue Date: 1998
Publisher: International Biomechanics Society
Citation: XIAO, D-C. ... et al., 1998. Stability of the spine modelled as an arch. IN: Kornecki, S. (ed.) The Problem of Muscular Synergism with Special Emphasis on Stabilising Functions of Skeletal Muscles: Studies and Monographs, 55, pp. 135 - 140.
Abstract: The erector muscles are frequently strained through improper lifting. Stability of the spine is maintained by the muscles, ligaments and pressures inside the body cavities. Modelling of this stability has been achieved using a new arch spine model developed using optimisation techniques. The position of the thrust line in the arch spine model can be used to analyse stability of the spine, and muscle forces introduced to change the position of this thrust line. The erector muscles move the thrust line forward to the centre line of the spine in a weight lifting task in a stooped posture. A method to calculate muscle forces stabilising the spine and to calculate internal forces in the vertebrae is presented. Calculations show that L3/L4 disc loads increase with muscle and ligament forces in the lumbar region.
Description: This conference paper was presented at the XIth International Biomechanics Seminar, 18-19 September 1998, Wroclaw, Poland.
Version: Accepted for publication
URI: https://dspace.lboro.ac.uk/2134/13870
ISSN: 0239-6009
Appears in Collections:Conference Papers and Presentations (Mechanical, Electrical and Manufacturing Engineering)

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