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Motion Curve analysis methods?

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  • Motion Curve analysis methods?

    I have need of some way to compare and assess the relationship between two
    or more motion vs time curves during walking. I am working in the foot and
    have 3D data on the tibia, hindfoot, midfoot and first ray during walking.
    I would like to know how much, if any motion at one segment contributes to
    another. I have used pearson correlation coefficients, but it seems to be
    fairly non-specific. Correlation of specific points on the curve also has
    proven disappointing. Does anyone out there have any suggestions? I would
    appreciate any help you could give me. Thanks in advance.

    Mark W. Cornwall, PhD, PT, CPed
    Gait Research Laboratory
    Dept. of Physical Therpay
    Northern Arizona University
    P.O. Box 15105
    Flagstaff, AZ 86011
    (520) 523-1606
    (520) 523-9289 FAX