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RISExperimental Characterization and Finite Element Implementation of Soft Tissue Nonlinear Viscoelasticity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Finite element (FE) models of articular joint structures do not typically implement the fully nonlinear viscoelastic behavior of the soft connective tissue components. Instead, contemporary whole ...
The Micromechanical Role of the Annulus Fibrosus Components Under Physiological Loading of the Lumbar Spine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To date, studies that have investigated the kinematics of spinal motion segments have largely focused on the contributions that the spinal ligaments play in the resultant motion patterns. However, ...
Cartilage Thickness Distribution Affects Computational Model Predictions of Cervical Spine Facet Contact Parameters
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: With motion-sparing disk replacement implants gaining popularity as an alternative to anterior cervical discectomy and fusion (ACDF) for the treatment of certain spinal degenerative disorders, ...
Modeling Degenerative Disk Disease in the Lumbar Spine: A Combined Experimental, Constitutive, and Computational Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Using a continuum approach for modeling the constitutive mechanical behavior of the intervertebral disk’s annulus fibrosus holds the potential for facilitating the correlation of morphology and ...
Finite Element Lumbar Spine Facet Contact Parameter Predictions are Affected by the Cartilage Thickness Distribution and Initial Joint Gap Size
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Current finite element modeling techniques utilize geometrically inaccurate cartilage distribution representations in the lumbar spine. We hypothesize that this shortcoming severely limits the ...