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RESEARCH PAPERS

Effect of Protective Helmet Mass on Head/Neck Dynamics

[+] Author and Article Information
R. L. Huston

Department of Mechanical and Industrial Engineering, University of Cincinnati, Cincinnati, Ohio 45221

J. Sears

Department of Engineering Science, University of Cincinnati, Cincinnati, Ohio 45221

J Biomech Eng 103(1), 18-23 (Feb 01, 1981) (6 pages) doi:10.1115/1.3138238 History: Received September 29, 1980; Online June 15, 2009

Abstract

The crash helmet which provides protection against injury due to direct head impact may actually contribute to injury in indirect head impact (e.g., hyperflexion or “whiplash”) situations because of the added mass of the helmet on the head/neck system. It has been suggested that it may be possible to reduce this hyperflexion/hyperextension injury hazard while retaining the beneficial protection against direct impact through use of helmet restraining collars, such as styrofoam or inflatable airbags. These claims are quantitatively and qualitatively examined and discussed in this paper. The UCIN HEAD/NECK computer simulation model is used for the quantitative analysis. It is shown that the helmet can indeed contribute to the hyperflexion/hyperextension injury hazard and that the proposed restraining devices can potentially provide protection against this hazard.

Copyright © 1981 by ASME
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