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  • Arch Index

    I am currently involved in a piece of research investigating several
    foot-type parameters. One of the parameters I am interested in is the
    'Arch Index' described by Cavanagh & Rodgers (1987 - Journal of
    Biomechanics 20 (5) 547-551). The manual calculation of this parameter
    is tedious, and I am wondering if anyone knows of any free software
    available on the web (or from any other source) which will let me
    calculate this index automatically from a scanned footprint.

    The calculation of the index involves the division of the toeless
    footprint into thirds, and the expression of the area of the middle
    third as a percentage of the whole.

    I would be grateful for any advice or suggestions.

    Thanks in advance

    Ian Mathieson
    University of Wales Institute, Cardiff
    Wales, UK

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