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The influence of seat-back and head-restraint properties on the head-neck motion during rear-impact

✍ Scribed by Mats Y. Svensson; Per Lövsund; Yngve Håland; Stefan Larsson

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
679 KB
Volume
28
Category
Article
ISSN
0001-4575

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✦ Synopsis

The influence of different seat properties on the head-neck motion during a low-velocity rear-end impact was tested using a Hybrid III-dummy fitted with a modified neck (RID-neck). The results show that by modifying the properties of the seat-back and head-restraint it is possible to influence the head-neck kinematics to a great extent. It was possible to virtually eliminate the neck extension motion during a rear-impact. This will hopefully result in a significant decrease in neck injury risk in real world rear-impacts.

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An impact incurred by the movable head may bring about a change in intracranial pressure and this change may play an important part in the occurrence of the cerebral contusion. We have carried out the following experiments to determine whether the intracranial pressure change was attributed to an ac