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Analysing short-track speed skating performance factors.

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  • 1École de Technologie Supérieure 1100, Rue Notre Dame Ouest, Montréal, Canada.

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Summary

Improving short-track speed skating performance hinges on optimizing key kinematic factors. Adjusting inter-foot spacing and pelvic height can significantly reduce lap times, offering actionable insights for athletes and coaches.

Keywords:
IMU suitsWearable sensorslower-body kinematicsperformance analysissport biomechanics

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Area of Science:

  • Sports Science
  • Biomechanics
  • Human Movement Analysis

Background:

  • Short-track speed skating demands high precision, where minor adjustments critically affect performance.
  • Understanding performance determinants is crucial for athlete success in this sport.

Purpose of the Study:

  • To identify key factors influencing short-track speed skating performance.
  • To quantify the impact of these factors on athletes' lap times.

Main Methods:

  • Utilized Movella IMU Link suits and Python scripts for kinematic data collection.
  • Analyzed lower body kinematics during one high-speed on-ice trial per athlete.
  • Employed correlation and regression analyses to identify significant performance factors from an initial pool of 535.

Main Results:

  • Seven kinematic factors were significantly associated with lap time, with variations noted between sexes and skill levels.
  • Inter-foot spacing and pelvic height improvements of 10 cm could yield up to 0.51 seconds per lap gain.
  • This translates to a potential 5.2% time improvement on average 500m race laps.

Conclusions:

  • Identified actionable kinematic factors, specifically inter-foot spacing and pelvic height, for enhancing short-track speed skating performance.
  • Provides data-driven insights for refining coaching strategies and athlete training programs.
  • Contributes to a deeper scientific understanding of performance optimization in short-track speed skating.