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Related Experiment Videos

Force-time data acquisition system for sprint starting.

E D Lemaire1, D G Robertson

  • 1School of Human Kinetics, University of Ottawa, Ontario.

Canadian Journal of Sport Sciences = Journal Canadien Des Sciences Du Sport
|June 1, 1990
PubMed
Summary
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A new device accurately measures horizontal forces during sprint starts. This validated starting block technology offers reliable data for athletic performance analysis.

Area of Science:

  • Biomechanics
  • Sports Science
  • Athletic Performance Measurement

Background:

  • Accurate measurement of horizontal forces during the sprint start is crucial for optimizing athletic performance.
  • Existing methods may lack the practicality or specificity required for in-situ sprint start analysis.
  • Development of specialized equipment is needed to capture these critical biomechanical data.

Purpose of the Study:

  • To design and validate a novel device for measuring horizontal forces exerted during the sprint start.
  • To assess the device's performance characteristics, including linearity, hysteresis, and frequency response.
  • To compare the device's output with established force measurement technologies.

Main Methods:

  • A force-measuring device was engineered to function as a standard starting block.

Related Experiment Videos

  • The device was tested for linearity, hysteresis, and frequency response.
  • Data from the device were compared against a conventional force plate.

    • Main Results:

    • The device demonstrated excellent linearity with a correlation coefficient of 0.99.
    • Hysteresis was minimal, recorded at 1.0% of the full-scale force output.
    • Frequency response tests showed an average amplitude error of 6% with no significant phase shift at 6 Hz.

    Conclusions:

    • The developed sprint start force measuring device meets acceptable performance limits for accuracy and reliability.
    • The device provides consistent force-time curves comparable to existing methods.
    • This technology offers a viable tool for analyzing horizontal forces in sprint starts.