2016
DOI: 10.1016/j.jbiomech.2015.12.005
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Subject-specific multi-validation of a finite element model of ovine cervical functional spinal units

Abstract: The complex motion and geometry of the spine in the cervical region makes it difficult to determine how loads are distributed through adjacent vertebrae or between the zygapophysial (facet) joints and the intervertebral disc. Validated finite element modes can give insight on this distribution. The aim of this contribution was to produce direct validation of subject-specific finite element models of Functional Spinal Units (FSU׳s) of the cervical spine and to evaluate the importance of including fibre directio… Show more

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Cited by 11 publications
(18 citation statements)
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“…Actually, the AF can be modeled as a reinforced matrix fiber. Particularly, the matrix or ground substance has been modeled using the energy functions of Mooney-Rivlin [13][14][15][16][17][18] and Yeoh [19][20][21][22][23][24][25][26]. However, we did not find any study that supported the use of these energy functions and how they affect the mechanical behavior of the AF.…”
Section: Introductionmentioning
confidence: 86%
“…Actually, the AF can be modeled as a reinforced matrix fiber. Particularly, the matrix or ground substance has been modeled using the energy functions of Mooney-Rivlin [13][14][15][16][17][18] and Yeoh [19][20][21][22][23][24][25][26]. However, we did not find any study that supported the use of these energy functions and how they affect the mechanical behavior of the AF.…”
Section: Introductionmentioning
confidence: 86%
“…As soft tissues cannot be distinguished in the micro-CT images, a systematic protocol was developed to create the annulus and nucleus regions of the disc based on the diameter ratio measured in the first part of this study and assuming relatively straight sides from one endplate to the other, which is a good approximation for bovine caudal discs [ 8 ]. Finite-element models were produced using the segmented geometry and underlying greyscale, with a homogeneous linear tetrahedral mesh with a size based on previous studies [ 5 ].
Figure 2.
…”
Section: Methodsmentioning
confidence: 99%
“…This approach has been accomplished using motion‐capture technology dynamic measurements of cervical spine physiology, and by inducing the instability of two states of activities. More recently, finite element analysis has been adopted to analyze the mechanics of limited movement in the upper cervical‐spine‐instability model, and to reveal relationships between mechanical changes and instability of the cervical spine ligament.…”
Section: Introductionmentioning
confidence: 99%