Using finite element technique to model the human cervical spine can be found in a number of publications in the literature. These efforts have illustrated viable techniques and approaches for simulating the three-dimensional motion of the human cervical spine. However, these earlier studies also revealed difficulties due to insufficient geometric description for such a complex structure and the lack of experimental data for characterizing the mechanical behavior of the biological tissues in this anatomical region. Recent advancement of the computer technology has resulted in a large quantity of digital images of the human anatomical structure with high precision. In addition, new experimental techniques have also produced new test data on human biological tissue properties. In this study, we developed a finite element representation of the human cervical spine using detailed 3D anatomical data. The model contains the important structural components of the cervical spine including the vertebrae, the disks, the ligaments and the facets. Analytical/numerical schemes were developed to identify the viscoelastic material parameters from the quasi-static and dynamic test data of the soft tissues. Material models in the Dyna3D code were enhanced to simulate the mechanical behavior of these soft tissues. The motion segment models were then validated against the three-dimensional global responses observed from the experiments.


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    Title :

    Modeling of the Human Cervical Spine Using Finite Element Techniques


    Additional title:

    Sae Technical Papers


    Contributors:
    Li, Xiaowei (author) / Liu, Yi (author) / Deng, Yih-Charng (author)

    Conference:

    International Congress & Exposition ; 1999



    Publication date :

    1999-03-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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