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Related Experiment Videos

Changes in technique within a sprint hurdle run.

Aki I T Salo1, Simon Scarborough

  • 1Sport and Exercise Science, School for Health, University of Bath, UK.

Sports Biomechanics
|August 31, 2006
PubMed
Summary

Sprint hurdles athletes slow down and show technique changes by the ninth hurdle due to fatigue. Training modifications, like adjusted hurdle spacing, may help maintain performance quality.

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Area of Science:

  • Sports Science
  • Biomechanics

Background:

  • Athletic performance can degrade over time due to fatigue.
  • Understanding technique changes during repeated efforts is crucial for training optimization.

Purpose of the Study:

  • To analyze technique modifications in sprint hurdles performance.
  • To investigate changes in hurdle clearance and running speed during a single run.

Main Methods:

  • Four athletes completed 10-hurdle trials.
  • Hurdle clearances at the third and ninth hurdles were recorded and digitized.
  • Running speed over hurdles was manually calculated.

Main Results:

  • Athletes exhibited reduced running speed over the ninth hurdle compared to the third.
  • Technique degradation and signs of fatigue were evident at the ninth hurdle.
  • Individual variations in technique changes were observed among athletes.

Conclusions:

  • Fatigue significantly impacts sprint hurdles technique and speed.
  • Individualized training adjustments are necessary to mitigate performance decline.
  • Gradually decreasing hurdle distances in training may improve late-run hurdle clearance velocity.

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