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Related Experiment Videos

Finite element applications in human cervical spine modeling

N Yoganandan1, S Kumaresan, L Voo

  • 1Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, USA.

Spine
|August 1, 1996
PubMed
Summary

This review critically examines finite element models of the human cervical spine, covering model construction, material properties, loading conditions, and validation. It provides a database for model validation and discusses future developments in this field.

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Area of Science:

  • Biomechanics
  • Computational Mechanics
  • Spinal Engineering

Background:

  • Finite element modeling is crucial for understanding human cervical spine biomechanics.
  • Previous reviews have not comprehensively addressed model construction, material properties, loading, and validation.
  • Accurate modeling requires detailed consideration of geometry, material behavior, and boundary conditions.

Purpose of the Study:

  • To provide a state-of-the-art review of finite element models of the human cervical spine.
  • To critically assess developments in model construction, material identification, loading/boundary conditions, and validation.
  • To offer a database of experimental sources for model validation and discuss future research directions.

Main Methods:

  • Comprehensive literature search and critical analysis of existing finite element models.

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  • Systematic review of methodologies for geometry generation, constitutive law identification, and loading/boundary condition definition.
  • Evaluation of model validation strategies and available experimental data.

    • Main Results:

    • Detailed overview of current finite element modeling techniques for the cervical spine.
    • Identification of key challenges and advancements in material property characterization and model validation.
    • A curated database of experimental data sources for finite element model verification.

    Conclusions:

    • Finite element models of the human cervical spine have significantly advanced.
    • Rigorous validation remains critical for clinical applicability.
    • Future developments should focus on improved material models, complex loading scenarios, and enhanced validation techniques.