An Experimentally Validated Dynamic Model of the Spine

[+] Author and Article Information
P. Prasad

Automotive Safety, Ford Motor Company, Dearborn, Mich.

A. I. King

Wayne State University, Detroit, Mich.

J. Appl. Mech 41(3), 546-550 (Sep 01, 1974) (5 pages) doi:10.1115/1.3423345 History: Received January 01, 1974; Revised March 01, 1974; Online July 12, 2010


Although there has been a large number of mathematical models proposed for the simulation of spinal response to acceleration, few have been validated against experimental data and none appears to reflect the actual conditions of load transmission from one vertebra to the next. This paper provides a brief survey of existing spinal models and presents a discrete parameter model with experimental validation. The transmission of load via the articular facets is a major new feature of the model, based on previously obtained experimental data. Good correlation was obtained between the model results and experimentally measured spinal loads for different impact acceleration levels and spinal configurations.

Copyright © 1974 by ASME
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