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    Validation of Radiocarpal Joint Contact Models Based On Images from a Clinical MRI Scanner

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    Johnson_ku_0099M_10124_DATA_1.pdf (1.284Mb)
    Issue Date
    2008-01-01
    Author
    Johnson, Joshua E.
    Publisher
    University of Kansas
    Format
    110 pages
    Type
    Thesis
    Degree Level
    M.S.
    Discipline
    Mechanical Engineering
    Rights
    This item is protected by copyright and unless otherwise specified the copyright of this thesis/dissertation is held by the author.
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    Abstract
    Due to the severity and continuing escalation in occurrences of degenerative joint diseases, it is vital to establish a means of detection and prevention that could lead to an improvement in quality of life. One such means is MRI-based modeling for joint contact analysis of in vivo functional loading. The purpose of this study was to validate models generated from a clinical MR scanner for future in vivo joint contact analyses. Models were tested using 3 cadaver forearm specimens and compared with experimental data. It was found that models were validated based on contact area. Direct contact area measurements were observed to be very close to experimental data. Model force measurements were reasonable, but did not agree with experimental data as well as contact area. Peak pressure data from the models were less consistent in correspondence with experimental data. Also, radiocarpal mechanics were investigated to determine the effect of inserting a sensor into the joint space. Magnitudes of bone motions were found to be greater with film inserted than without film. Model results showed contact areas to be higher with film than without film.
    URI
    http://hdl.handle.net/1808/4366
    Collections
    • Engineering Dissertations and Theses [1055]
    • Theses [3828]

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    KU Libraries
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    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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