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cervical spine loading

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  • cervical spine loading

    Hello fellow biomch-l ers,

    I am searching for information regarding the impact of repeated loading
    to the cervical spine via the back of the head. The situation we are
    investigating is such that forces up to the equivalence of three times
    the mass of the head*gravity (or up to approx. 180N), are applied to the
    occipital region of the skull at a loading rate ranging from 100 to 480 N/sec.
    This obviously causes flexion in the cervical region as the mass of
    the thorax resists the movement. My search has turned up a number of
    papers that investigate spinal loading to failure in various flexion and
    flexion-compression situations. However, I have been unsuccessful in
    locating papers that deal with the risk factors involved in submaximal repeated
    loading of the cervical spine (ie.: intervertebral disc degeneration,
    capsular or ligamentous damage etc...).
    Any references or information on this subject would be greatly
    appreciated and a summary of responses will be posted.

    Daniel Benoit
    Dept. of Human Biodynamics
    McMaster University
    Hamilton, Ontario