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Updated: Jul 4, 2026

Activity of Posterior Lateral Line Afferent Neurons during Swimming in Zebrafish
10:34

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Published on: February 10, 2021

Modelling spatial-temporal and coordinative parameters in swimming.

L Seifert1, D Chollet

  • 1C.E.T.A.P.S. Laboratory UPRES EA 3832, University of Rouen, Faculty of Sports Sciences, France. ludovic.seifert@univ-rouen.fr

Journal of Science and Medicine in Sport
|June 13, 2008
PubMed
Summary
This summary is machine-generated.

Elite swimmers

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Area of Science:

  • Sports Science
  • Biomechanics
  • Swimming Performance

Background:

  • Understanding swimming biomechanics is crucial for optimizing performance.
  • Spatial-temporal and coordinative parameters significantly influence swimming efficiency.
  • Race pace variations necessitate analysis of stroke adjustments.

Purpose of the Study:

  • To model changes in spatial-temporal and coordinative parameters across four swimming strokes at different race paces.
  • To investigate the relationship between velocity, stroke rate, stroke length, and coordination.
  • To provide practical insights for coaches on identifying and improving glide time management.

Main Methods:

  • Video analysis to identify propulsive phases and calculate time gaps in butterfly, breaststroke, crawl, and backstroke.
  • Polynomial regression, specifically quadratic regression, to model relationships between parameters.
  • Testing twelve elite male swimmers across four distinct race paces.

Main Results:

  • Quadratic regression revealed common changes in coordination and velocity across all four strokes.
  • Increased velocity led to decreased time gaps between propulsive phases and reduced glide times.
  • Stroke rate, stroke length, and velocity changes mirrored coordination shifts, suggesting their influence on coordination.

Conclusions:

  • Glide time monitoring can differentiate effective from ineffective time gaps in elite swimmers.
  • Targeted training interventions can improve swimmers' glide time management for enhanced performance.
  • The study provides a biomechanical framework for analyzing and improving swimming technique at race pace.