In the present study, a previously developed finite-element model of the neck was modified by adding the Hill-type muscle elements. The modified model was utilized to investigate the muscle effects on the kinematic responses of the head-neck complex in a frontal impact at a speed of around 60 km/h. The behavior of this model was consistent with the literature data describing kinematic responses of volunteers and cadavers subjeted to such an impact. The present results suggest the following: 1) It is likely that, when the neck muscles are activated at around 25 ms - 30 ms after the start of the impact acceleration, they can significantly reduce the peak values of the head-gravity center displacements and angular acceleration in a high-speed frontal impact. 2) When the activation of neck muscles starts at around 100 ms or later, their effects can be disregarded.


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    Titel :

    Finite element modeling of the muscle effects on kinematic responses of head-neck complex in frontal impact at high speed


    Weitere Titelangaben:

    Finite-Elemente-Modellierung der Muskeleinflüsse auf die kinematische Antwort des Kopf-Nacken-Komplexes bei einem Frontalaufprall mit hoher Geschwindigkeit


    Beteiligte:
    Wittek, A. (Autor:in) / Kajzer, J. (Autor:in) / Haug, E. (Autor:in) / Ono, K. (Autor:in)


    Erscheinungsdatum :

    2001


    Format / Umfang :

    10 Seiten, 9 Bilder, 3 Tabellen, 28 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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