On the stiffness matrix of the intervertebral joint: application to total disk replacement.


The traditional method of establishing the stiffness matrix associated with an intervertebral joint is valid only for infinitesimal rotations, whereas the rotations featured in spinal motion are often finite. In the present paper, a new formulation of this stiffness matrix is presented, which is valid for finite rotations. This formulation uses Euler angles… (More)
DOI: 10.1115/1.3148195

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