SYMPOSIA PAPER Published: 01 January 1994
STP12812S

Buckling Analysis -- A Modal Method of Estimating Cervical Spine Injury Potential

Source

The whole straightened ligamentous cervical spinal column (C0/C1-T1) was represented by a three-dimensional segmented beam-column computer model, where vertebral bodies were treated as three-dimensional rigid body elements and intervertebral joints as three-dimensional joint elements having stiffness in axial compression-tension, antero-posterior and lateral shears, and flexural rotations (flexion-extension and lateral bending). Buckling modal analysis of this model estimated the potential responses of the cervical spine subjected to “axial” head impact. The calculated theoretical buckling loads are in agreement with the peak forces obtained in some of the in vitro cadaveric experiments of the cervical spine subjected to axial compressive loading.

Author Information

Voo, LM
Medical College of Wisconsin, Milwaukee, WI
Liu, YK
The University of Iowa, Iowa City, Iowa, USA
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Details
Developed by Committee: F08
Pages: 168–176
DOI: 10.1520/STP12812S
ISBN-EB: 978-0-8031-5282-3
ISBN-13: 978-0-8031-1886-7