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Related Experiment Videos

[Measuring pressure distribution on the human tibia in ski boots].

P Schaff1, W Hauser

  • 1Fachbereich Mensch und Technik des Technischen Uberwachungs-Vereins Bayern e. V.

Sportverletzung Sportschaden : Organ Der Gesellschaft Fur Orthopadisch-Traumatologische Sportmedizin
|September 1, 1987
PubMed
Summary

New flexible mats measure shoe pressure distribution for sports safety and comfort. Ski boot design significantly impacts pressure points and temperature sensitivity, affecting performance and injury prevention.

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Area of Science:

  • Biomechanics
  • Orthopaedics
  • Sports Science

Context:

  • Accurate measurement of in-shoe pressure distribution is crucial for assessing sports safety and comfort.
  • Existing methods may lack the precision or flexibility needed for detailed biomechanical analysis.
  • Alpine skiing presents unique challenges due to high forces, varied terrain, and temperature fluctuations.

Purpose:

  • To introduce and validate a new system of thin, flexible measuring mats for quantifying in-shoe pressure distribution.
  • To analyze pressure distribution in alpine ski boots under various conditions (forward lean, temperature).
  • To correlate pressure data with boot design, ski binding forces, and muscular activity (EMG).

Summary:

  • Developed and tested novel thin, flexible pressure-sensitive mats for in-shoe measurements.

Related Experiment Videos

  • Evaluated 8 ski boot types on 14 subjects, measuring pressure distribution at the lower leg and foot.
  • Observed significant variations in pressure maxima based on boot type (traditional vs. rear-entry) and forward lean.
  • Found temperature dependence of boot stiffness is linked to material properties and construction.

    • Impact:

    • Provides objective data for evaluating ski boot fit, comfort, and safety.
    • Highlights design differences affecting pressure distribution and performance.
    • Informs the development of better-suited ski boots for improved torque transmission and reduced fatigue.
    • Suggests optimal ski boot design should minimize instep pressure and exhibit consistent temperature performance.