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Does floatation influence breaststroke technique?

Hugues Leblanc1, Ludovic Seifert, Didier Chollet

  • 1Faculty of Sports Sciences-CETAPS, University of Rouen, Mont Saint Aignan, France.

Journal of Applied Biomechanics
|May 26, 2010
PubMed
Summary
This summary is machine-generated.

Floatation parameters significantly impact breaststroke swimming. Hydrostatic lift and maximal glide length are key factors influencing glide duration and velocity in swimmers, especially females at slower paces.

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Area of Science:

  • Sports Science
  • Biomechanics
  • Swimming Performance Analysis

Background:

  • Breaststroke swimming efficiency is influenced by various biomechanical factors.
  • Understanding the role of body floatation in swimming performance is crucial for technique optimization.

Purpose of the Study:

  • To investigate the relationship between floatation parameters and breaststroke swimming characteristics.
  • To analyze how different floatation metrics correlate with glide phase duration and velocity in male and female swimmers.

Main Methods:

  • Floatation parameters assessed using hydrostatic lift, sinking force at the ankle, and maximal glide length tests.
  • Breaststroke swimmers (23 males, 23 females) performed submaximal and sprint pace trials.
  • PC-video velocity system used to analyze propulsive, recovery, and glide phases.

Main Results:

  • In females at slow pace, glide duration correlated with hydrostatic lift (r=.62) and glide length (r=.44); glide velocity correlated with hydrostatic lift (r=.73).
  • In males at slow pace, sinking force correlated negatively with glide phase (r=-.66) and glide velocity (r=-.78).
  • At sprint pace, female hydrostatic lift correlated with glide phase (r=.52).

Conclusions:

  • Floatation parameters demonstrably influence the gliding phase of the breaststroke cycle.
  • Specific floatation metrics like hydrostatic lift and sinking force show significant correlations with glide performance in both genders.