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Importance of intervertebral displacement for whiplash investigations

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journal contribution
posted on 26.03.2019 by Roman Bumberger, Memis Acar, Kaddour Bouazza-Marouf
It is often reported that the physiological rotational limits of adjacent vertebrae in the cervical spine are exceeded in rear-end accidents which play a significant role in Whiplash Associated Disorders (WAD). This paper presents the first analysis of existing experimental and computational intervertebral displacement research. Existing techniques to capture intervertebral displacement in experimental studies can be grouped into three methods: visual targets method, electronic sensors method and X-Ray method. The analysis of intervertebral displacements has led to the development of the intervertebral neck injury criterion (IV-NIC); it has also shown an upward shift of the C5C6 instantaneous axis of rotation and that the flexion changes to extension point between C2 and C4. Furthermore, it is also shown that when a computational model is validated only for the head kinematics, it should not be assumed that the model provides good neck kinematics. Lastly, current rear-impact dummies are incapable of providing true neck kinematics.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

International Journal of Crashworthiness

Volume

25

Issue

4

Pages

376 - 390

Citation

BUMBERGER, R., ACAR, M. and BOUAZZA-MAROUF, K., 2020. Importance of intervertebral displacement for whiplash investigations. International Journal of Crashworthiness, 25 (4), pp.376-390.

Publisher

© Taylor & Francis

Version

AM (Accepted Manuscript)

Publisher statement

This is an Accepted Manuscript of an article published by Taylor & Francis in International Journal of Crashworthiness on 7 May 2019, available online: http://www.tandfonline.com/10.1080/13588265.2019.1594548.

Acceptance date

14/03/2019

Publication date

2019-05-07

ISSN

1358-8265

eISSN

1754-2111

Language

en

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