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Related Experiment Videos

The reliability of ten-meter sprint time using different starting techniques.

Grant M Duthie1, David B Pyne, Angus A Ross

  • 1Department of Physiology, Australian Institute of Sport, Bruce, Australia. grant.duthie@ausport.gov.au

Journal of Strength and Conditioning Research
|May 12, 2006
PubMed
Summary

Sprint start techniques in junior male rugby players show minimal differences in typical error (<1%). However, results are not interchangeable, and reliability for detecting meaningful performance changes remains marginal.

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Area of Science:

  • Sports Science
  • Biomechanics
  • Athletic Performance

Background:

  • Acceleration is crucial for team-sport athletes.
  • Understanding reliable sprint measurement is key for performance enhancement.

Purpose of the Study:

  • To compare the reliability of 10-m sprint times using different starting techniques.
  • To assess the typical error and smallest worthwhile change in sprint performance.

Main Methods:

  • Junior male rugby players (n=15) participated in two testing sessions.
  • Three trials of standing, foot, and thumb starts were assessed for 10-m sprint times.
  • Photocell measurements were used to determine sprint times and typical error.

Main Results:

Related Experiment Videos

  • Minimal difference in typical error (<1%, ~0.02s) across the three starting techniques.
  • A small decrease in sprint time (0.02s) was observed for the foot start between sessions (p=0.05).
  • Typical error exceeded the smallest worthwhile change, indicating marginal reliability for detecting significant improvements.

    • Conclusions:

    • Various sprint-start techniques exhibit low typical errors (<1%), suitable for coaching.
    • Sprint start results are not interchangeable, requiring consistent technique selection.
    • Reliable detection of meaningful sprint performance changes requires careful consideration of typical error and smallest worthwhile change.