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Relationships between coordination, strength and performance during initial sprint acceleration.

Byron Donaldson1, Neil Bezodis2, Helen Bayne1

  • 1Sport, Exercise Medicine and Lifestyle Institute (SEMLI) and Division of Biokinetics and Sport Science, Department of Physiology, University of Pretoria, Pretoria, South Africa.

Journal of Sports Sciences
|April 29, 2025
PubMed
Summary
This summary is machine-generated.

This study found strong links between lower body strength and sprint coordination in elite male sprinters. Strength influences how sprinters adopt and use effective movement patterns during acceleration.

Keywords:
Interactionsmaximal strengthratio of forcesreactive strengthvector coding

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Area of Science:

  • Biomechanics
  • Sports Science
  • Human Movement

Background:

  • Theoretical links exist between physical qualities and sprint coordination.
  • Empirical evidence directly examining these relationships during sprint acceleration is lacking.

Purpose of the Study:

  • To investigate associations between lower body strength and sprint acceleration coordination.
  • To explore how strength interacts with coordination to influence acceleration performance.

Main Methods:

  • Kinematic and velocity-time data were collected from elite male sprinters.
  • Coordination was quantified using vector coding for the first four steps.
  • Lower body strength was assessed via isometric squat, countermovement jump, hop, and Nordic hamstring tests.

Main Results:

  • Significant correlations (ρ = 0.59–0.82) were observed between strength measures and coordination features in early acceleration steps.
  • Exploratory analyses indicated that strength levels may modulate the coordination-performance relationship.

Conclusions:

  • Strength qualities are strongly associated with sprint acceleration coordination in elite sprinters.
  • An individualized approach to sprint training, considering strength's influence on technique, is recommended.