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Re: Proprioception

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  • Re: Proprioception

    Re: The discussion of the ACL's proprioceptive role.

    We believe that the ligament's function is both mechanical and
    neurological. Through gold chloride staining and immunohistochemical
    studies, we have found, as have others using different techniques,
    mechanoreceptors in the body of the canine ligament (see refs below).
    Surprisingly these receptors were mostly in the body of the ligament
    not at the attachment sites.

    The mechanoreceptors probably play a protective role, since mechanically
    speaking, ligaments have a low security factor compared to bone. The
    security factor of the ligament is of the order of 1 compared to the
    bone's security factor which is of the order of 4 to 6.

    Marwan
    (On behalf of prof. Hocine Yahia)


    Some references from our institute on this work include:

    Yahia L.H., Newman N. St-Georges M."Innervation of the Canine Cruciate
    Ligaments", Anat. Histol. Embryol., 21:1-8, 1992.

    Yahia L.H., Newman N. "Mechanoreceptors in the Canine Anterior Cruciate
    Ligament" Anat. Anzeiger Jena. 173:223-238, 1991.
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    | E-mail: sati@grbb.polymtl.ca | Mail: Biomedical Engineering |
    | Marwan Sati | Ecole Polytechnique |
    | Doctoral Student | P.O. Box 6079, Station `A' |
    | Biomedical Engineering Dept. | Montreal, Quebec |
    | Ecole Polytechnique | Canada H3C 3A7 |
    | Tel.: (514) 340-4198 (msg/day)| Fax. (514) 340-4611 |
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