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| Spine Research: Detailed Anatomic Modeling of the Spine
Models and computer simulations have served countless purposes in
biomechanical research. Many of these models
have been used to predict or estimate characteristics of human locomotion and mechanisms
in body movement. Examples of such models include: linked segment models, used to estimate
joint kinetics; muscle models, used to estimate individual muscle forces and energetics;
and simulations of direct and inverse dynamics, used to estimate coordination and
optimization of movement strategies. Solid modeling techniques have been used to determine interface stresses, deformations, forces, pressures and alignments of anatomic structural components like bones, joints, and the surrounding supportive tissues (i.e., ligaments and tendons). The finite element (FE) method provides an ideal tool for quantifying these values. We are in the process of improving upon previous meshing techniques to create an anatomically accurate model of the lumbar spine. Our goal is to automate the development of such anatomic models via advancements in imaging and mesh generation techniques. Such models will enable us to predict variables such as stresses and deformations that are difficult, if not impossible to measure directly, on a patient-/subject-specific basis. The FE models will also aid in assisting the design of surgical implants and devices.
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