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  • A non-invasive technique for assessing innominate bone motion

    Author(s)
    Bussey, MD
    Yanai, T
    Milburn, P
    Griffith University Author(s)
    Milburn, Peter D.
    Year published
    2004
    Metadata
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    Abstract
    Objective. To determine the suitability of a magnetic tracking device to measure pelvic bone range of motion based on palpated and digitized pelvic landmarks. Design. A repeated measures study was conducted in two experiments to determine the reliability and validity of innominate bone range of motion measured with a magnetic tracking device in healthy subjects through passive hip abduction and external rotation. Background. Because of the anatomical position of the pelvic joints, kinematic analysis of joint motion is difficult. Accurate and precise measurements typically require highly invasive techniques involving ...
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    Objective. To determine the suitability of a magnetic tracking device to measure pelvic bone range of motion based on palpated and digitized pelvic landmarks. Design. A repeated measures study was conducted in two experiments to determine the reliability and validity of innominate bone range of motion measured with a magnetic tracking device in healthy subjects through passive hip abduction and external rotation. Background. Because of the anatomical position of the pelvic joints, kinematic analysis of joint motion is difficult. Accurate and precise measurements typically require highly invasive techniques involving implantation of titanium markers andexposing the subject to multiple radiographs. There is a need for a practical and accurate measurement method that will allow researchers and clinicians to accurately andreliably evaluate motion in the pelvis. Methods. Innominate bone angles were measuredfor two static hip postures from the 3D spatial coordinates of the pelvic landmarks. By palpating and subsequently digitizing pelvic landmarks using an electro-magnetic tracking device the 3D coordinates were obtained. Palpated results were validated using CT scans and a metallic bead attached to the palpated landmarks. Results. The mean range of innominate bone motion was between 3 and4 degrees (transverse plane) for each side with large variability across the subjects in the range of motion. Despite this variability, the measurements were found to be reliable and valid.
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    Journal Title
    Clinical Biomechanics
    Volume
    19
    Issue
    1
    DOI
    https://doi.org/10.1016/j.clinbiomech.2003.09.005
    Subject
    Biomedical engineering
    Mechanical engineering
    Sports science and exercise
    Publication URI
    http://hdl.handle.net/10072/26542
    Collection
    • Journal articles

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