New Progress and Application of Finite Element Analysis Technology in Lumbar Spine Biomechanics

Stress and strain of objects with complex forms can be analyzed by the Finite Element Analysis. It has a comprehensive, objective and reproducible characteristic of mechanical testing and has been widely used in the biomechanical studies of spine. This paper briefly introduced the concepts, principles, modeling methods, software, the advantages and disadvantages of Finite Element Analysis in terms of the application of the finite element method in the research on vertebral body, intervertebral disc, ligament and muscle, as well as the properties of novel internal fixation and selection of different internal fixation formula.