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Related Experiment Video

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Swimming Performance Assessment in Fishes
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The performance effect of centralizing a nation's elite swim program.

Sian V Allen1, Tom J Vandenbogaerde, Will G Hopkins

  • 1Sport Performance Research Inst, AUT University, Auckland, New Zealand.

International Journal of Sports Physiology and Performance
|July 11, 2014
PubMed
Summary

Centralized swimming squads show significant performance gains after a delay. This method can evaluate sports training strategies.

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Area of Science:

  • Sports Science
  • Performance Analysis
  • Swimming Performance

Background:

  • National sporting organizations utilize centralized training squads to enhance athlete performance.
  • Assessing the effectiveness of these elite squads requires robust performance monitoring methods.

Purpose of the Study:

  • To develop a novel method for monitoring swimming squad performance progression.
  • To apply this method to evaluate the performance changes in New Zealand's elite swimming squad.

Main Methods:

  • Collected 11 years of New Zealand swimmers' best annual long-course competition times (2002-2013).
  • Utilized a mixed-effects model to analyze performance deviations from individual trajectories post-elite squad inclusion.
  • Evaluated effects using magnitude-based inferences with a smallest important improvement of -0.24%.

Main Results:

  • Elite squad membership showed unclear effects before 2009.
  • Significant performance enhancements were observed for both male and female swimmers from 2009 onwards.
  • Performance gains increased substantially, reaching extremely large magnitudes by 2013.

Conclusions:

  • The mixed-effects model effectively quantified performance deviations, revealing a time lag for centralization strategy impact.
  • Swimming New Zealand's centralization strategy yielded substantial performance effects after several years.
  • The developed method is applicable for evaluating performance strategies in national and club-level sports.