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[Cushioning versus stability]

E Stüssi1, A Stacoff, E Lucchinetti

  • 1Laboratorium für Biomechanik, ETH Zürich, Schlieren.

Sportverletzung Sportschaden : Organ Der Gesellschaft Fur Orthopadisch-Traumatologische Sportmedizin
|December 1, 1993
PubMed
Summary

Sport shoe design faces a challenge balancing cushioning and dynamic stability. New anisotropic materials may resolve the conflict between shock absorption and preventing unphysiological foot movements during running.

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Area of Science:

  • Biomechanics
  • Sports Engineering
  • Materials Science

Context:

  • Sport shoe design prioritizes cushioning and stability.
  • Current materials often create a dichotomy between these properties.
  • Dynamic stability, not rigidity, is key for functional support.

Purpose:

  • To explore the possibilities and limitations of cushioning and stability in sport shoes.
  • To define "dynamic stability" as functional support against unphysiological movements.
  • To analyze the impact of shoe sole properties on running biomechanics.

Summary:

  • Cushioning (damping) reduces impact energy, but hard soles with heel flares can decrease stability.
  • Homogeneous/isotropic sole materials enhance cushioning but compromise dynamic stability.
  • Advanced anisotropic materials offer a potential solution to this design conflict.

Impact:

  • Findings inform the development of advanced sport footwear.
  • Highlights the need for innovative materials in athletic shoe construction.
  • Aims to improve both performance and injury prevention in athletes.

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