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Sidedness in Shotokan karate kata

C Layton1

  • 1Department of Psychology, University of London, England.

Perceptual and Motor Skills
|February 1, 1993
PubMed
Summary

Shotokan karate techniques show a right-sided bias. Punches, spear-hands, strikes, and kicks favored the right side, unlike blocks and major stances in the 27 kata (forms).

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Area of Science:

  • Sports Science
  • Martial Arts Biomechanics

Background:

  • Shotokan karate, a popular martial art, involves complex sequences of techniques.
  • Understanding the biomechanics of karate movements, including laterality, is crucial for training and injury prevention.

Purpose of the Study:

  • To analyze the 27 kata (forms) of Shotokan karate for left/right bias in their constituent techniques.
  • To identify specific techniques or movement categories exhibiting significant lateral preference.

Main Methods:

  • Systematic analysis of 1183 individual techniques across all 27 Shotokan kata.
  • Categorization of techniques into punches, spear-hands, strikes, kicks, blocks, and major stances.
  • Statistical assessment for left-sided versus right-sided execution bias.

Main Results:

  • A significant right-sided bias was observed in punches, spear-hands, strikes, and kicks.
  • No significant left/right bias was found for blocks and major stances within the kata.
  • This suggests a predominantly right-hand/leg preference in offensive and dynamic Shotokan movements.

Conclusions:

  • Shotokan karate kata demonstrate a clear biomechanical bias towards right-sided techniques, particularly in striking and kicking.
  • This finding has implications for karate training, potentially influencing practice strategies and skill development.
  • Further research could explore the origins and functional significance of this observed laterality.

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