Influence of seat geometry and seating posture on NICmax and Nkm AIS 1 neck injury predictability.

Author(s)
Eriksson, L. & Kullgren, A.
Year
Abstract

Validated injury criteria are essential when developing restraints for AIS 1 neck injuries that should protect occupants in different crash situations. Such criteria have been proposed and attempts have been made to validate/falsify these. However, no criterion has to date been fully validated. The objective of this study was to evaluate the influence of seat geometry and seating posture on NICmax and Nkm long-term AIS 1 neck injury predictability by performing parameter analyses on reconstructed real-life rear-end crashes with known injury outcomes. Mathematical models of the BioRID II and car seats were used. For both NICmax and Nkm correlations were found between criterion values and the duration of AIS 1 neck injuries. Risk curves could thus be established for variations in seat geometry and seating posture. Also, sensitivities, specificities, positive predictive values, and negative predictive values were calculated. It was found that in terms of these factors, both NICmax and Nkm can be used to predict long-term AIS 1 neck injuries. For the covering abstract see E135170.

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Publication

Library number
C 41864 (In: C 41848 CD-ROM) /91 / ITRD E135187
Source

In: Proceedings of the 2003 International IRCOBI Conference on the Biomechanics of Impact, Lisbon (Portugal), September 24-25, 2003, Session 4 - Neck Injuries And Protection, 15 p., 32 ref.

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