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    STP860

    Optimal Ski Boot Stiffness for the Prevention of Boot-Top Fracture

    Published: 0


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    Abstract

    Ski boot stiffness distribution was studied to determine an optimal boot for the prevention of boot-top fracture (tibia fracture near the boot top). This injury, while formerly infrequent with old-fashioned, low-cut boots, has become common with the use of modern, high-topped, stiff alpine boots. This paper describes a study of boot bending loads, with the intention of minimizing the maximum bending moment or maximum stress on the tibia. Three tibia models are investigated: a one-dimensional beam model, a three-dimensional finite element model, and a two-dimensional beam model. The optimal boot should be high, applying a load as close to the knee as possible to reduce the bending moment, and it should be shaped as a band only wide enough to reduce the effects of concentrated loading.

    Keywords:

    ski boot design, ski boot stiffness distribution, boot-top fracture, skiing safety, skiing trauma


    Author Information:

    Lyle, Carol
    Graduate student and associate professor, University of California, Davis, CA

    Hubbard, Mont
    Graduate student and associate professor, University of California, Davis, CA


    Committee/Subcommittee: F27.30

    DOI: 10.1520/STP46636S