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Related Experiment Videos

Sprinting with banked turns.

P R Greene1

  • 1B.G.K.T. Consulting Ltd., Huntington, NY 11743.

Journal of Biomechanics
|January 1, 1987
PubMed
Summary
This summary is machine-generated.

Banked turns reduce peak running speed by up to 10%. This study quantifies the effects of bank angle and turn radius on running speed, providing a theoretical model applicable to track design.

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Area of Science:

  • Biomechanics
  • Sports Science
  • Athletic Track Design

Background:

  • Running speed is influenced by track geometry.
  • Understanding the impact of banked turns is crucial for athletic performance and safety.

Purpose of the Study:

  • To experimentally and theoretically quantify the effects of bank angle and turn radius on peak running speed.
  • To develop a predictive model for running speed on curved tracks.

Main Methods:

  • Eleven subjects ran on a variable radius and bank angle track.
  • High-speed film analysis of gait parameters.
  • Comparison with a two-parameter constant force theoretical model.

Main Results:

  • Bank angle can attenuate peak running speed by approximately 10%.

Related Experiment Videos

  • A dimensionless solution for speed ratio was derived as a function of radius number and bank angle.
  • Experimental scatter limited precise agreement with the theoretical model.

    • Conclusions:

    • The developed theoretical model provides a framework for understanding running dynamics on banked curves.
    • The findings have implications for optimizing indoor and outdoor running track design.
    • The model allows calculation of forces (foot, bone, tendon) under various running conditions.