A modeling effort has been undertaken at the Naval Biodynamics Laboratory in New Orleans to determine the cause of atypical responses of the head/neck anatomy of certain volunteer subjects to -X vector direction acceleration profiles. The results appear to indicate that these subjects, who had been previously run in the +Y and/or -X+Y vector directions, may have learned to exert purposeful control over their head/neck responses in order to lessen the severity of their exposures. Computer simulations appear to verify the theorized explanation that the subjects “locked” their head/neck joints in anticipation of sled firing, and that the joints remained locked during the initial portion of the run until forces and torques increased to a level which forced their joints to unlock.


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    Title :

    Mechanism for Control of Head and Neck Dynamic Response


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    28th Stapp Car Crash Conference (1984) ; 1984



    Publication date :

    1984-10-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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