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Abductor moment in knee

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  • Abductor moment in knee

    Dear Biomch-L readers,

    I have some questions about the coronal plane kinetics
    of the knee joint. Normally we record an abductor
    (valgus) moment pattern throughout stance phase with a
    somewhat double-peak pattern that is created primarly
    by ligamentous forces with our Vicon 370 system. On
    the other hand, as center of gravity passes through
    medial condyles an external adductor moment develops
    which is shown to be further exaggarated in medial OA.
    What does this abductor moment pattern reflect ? a
    pure internal moment or net moment taking external
    adductor moment into account? What is the clinical
    significance of an increase in abductor moment ? How
    can I calculate the external adductor moment with
    Vicon 370 system.

    I look forward to any suggestions and help from people
    involved in clinical gait assessment.

    Haydar Gok, MD
    Ankara University School of Medicine
    Dept of PMR Ankara-Turkey

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