A database of lumbar spinal mechanical behavior for validation of spinal analytical models

Journal of Biomechanics
Ian A F Stokes, Mack Gardner-Morse

Abstract

Data from two experimental studies with eight specimens each of spinal motion segments and/or intervertebral discs are presented in a form that can be used for comparison with finite element model predictions. The data include the effect of compressive preload (0, 250 and 500N) with quasistatic cyclic loading (0.0115Hz) and the effect of loading frequency (1, 0.1, 0.01 and 0.001Hz) with a physiological compressive preload (mean 642N). Specimens were tested with displacements in each of six degrees of freedom (three translations and three rotations) about defined anatomical axes. The three forces and three moments in the corresponding axis system were recorded during each test. Linearized stiffness matrices were calculated that could be used in multi-segmental biomechanical models of the spine and these matrices were analyzed to determine whether off-diagonal terms and symmetry assumptions should be included. These databases of lumbar spinal mechanical behavior under physiological conditions quantify behaviors that should be present in finite element model simulations. The addition of more specimens to identify sources of variability associated with physical dimensions, degeneration, and other variables would be beneficial. Supp...Continue Reading

References

Apr 6, 2002·Journal of Biomechanics·Ian A StokesJeffrey P Laible
Jan 7, 2004·Journal of Biomechanics·Mack G Gardner-Morse, Ian A F Stokes
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Apr 17, 2010·Journal of Biomechanics·Hendrik SchmidtHans-Joachim Wilke
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Aug 22, 2013·Journal of Biomechanics·Hendrik SchmidtAboulfazl Shirazi-Adl
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Sep 17, 2014·The Spine Journal : Official Journal of the North American Spine Society·Timothy Patrick HolsgroveSabina Gheduzzi

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Citations

Mar 7, 2017·International Journal for Numerical Methods in Biomedical Engineering·Rui-Chun Dong, Li-Xin Guo
May 13, 2018·IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society·Joon-Hyuk ParkSunil K Agrawal
Dec 10, 2019·Computer Methods in Biomechanics and Biomedical Engineering·Li-Xin Guo, Wu-Jie Li
Apr 10, 2019·BMC Musculoskeletal Disorders·Shigeru TadanoMasami Akai
Mar 7, 2021·Bioengineering·André P G Castro
Apr 1, 2021·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Hideki TanabeUNKNOWN for Low back-pain Traction Therapy (LTT) Study

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