This paper presents observations regarding the frequency response behavior of the lumbar spine. The frequency response ratio is calculated using a model of the spine which treats the vertebrae as cubic masses and the discs as systems of springs and dampers. The frequency response of the spinal model under healthy spine conditions is cataloged. The model is varied to simulate intervertebral disc degradation, spinal fusions, and artificial disc replacements, and the frequency response for these cases are calculated and compared with the response of the healthy spine.
Volume Subject Area:
Biomedical and Biotechnology Engineering
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