The objective of this study was to determine the material properties of the human lumbar intervertebral disc annulus as a function of anatomical region and spinal level. Samples from minimally or nondegenerated spines were extracted from young post mortem human subjects and tested in tension. Statistically significant differences were found based on anatomical region. Trends appear to indicate spinal level dependency, although additional samples are required to attain statistical significance. It is possible to use finite element models incorporating these region- and level-specific properties to quantify internal load-sharing and delineate the mechanism of disorders such as herniation.
- Bioengineering Division
Level- and Region-Specific Properties of Young Human Lumbar Annulus
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Stemper, BD, Yoganandan, N, Shender, BS, Paskoff, GR, Pintar, FA, & Baisden, JL. "Level- and Region-Specific Properties of Young Human Lumbar Annulus." Proceedings of the ASME 2011 Summer Bioengineering Conference. ASME 2011 Summer Bioengineering Conference, Parts A and B. Farmington, Pennsylvania, USA. June 22–25, 2011. pp. 567-568. ASME. https://doi.org/10.1115/SBC2011-53829
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