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Anatomy & Physiology: Current Research

Anatomy & Physiology: Current Research
Open Access

ISSN: 2161-0940

44-7723-59-8358

Bernard Guerquin

Bernard Guerquin
General Hospital, Avenue de Lavoisier,
CS20184, Orange 84100
France

Publications
  • Review Article
    The Ilio-Coccygeus Muscle (ICM) Does it have an Enabling Role in Urination?
    Author(s): Bernard GuerquinBernard Guerquin

    An analysis of the literature has allowed for a redefinition of the anatomy of the ilio-coccygeus muscle (ICM) its insertions and its trajectory, the direction of its fibers and its relation to the base of the bladder. Static MRI studies have revealed its V-shaped appearance, while dynamic MRI has been used to visualize its concave contraction into a dome-shape that provides support to the levator plate, raising the base of the bladder. Histological studies have shown that the percentage of type I muscle fibers is 66% to 69%, which is comparable to the type I fiber content of the pubovisceral muscle (PVM), thus reflecting both its postural role as well as functions based on frequent voluntary contractions. Together, these data suggest an active role for the ICM which, upon urination, allows for voluntary hardening of the levator plate. The abdominal pressure from bearing down hence en.. Read More»
    DOI: 10.4172/2161-0940.S6-002

    Abstract PDF

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