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Using Microtechnology to Quantify Torso Angle During Match-Play in Field Hockey.

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Field hockey athletes spend most of their playing time in torso flexion. Playing position influences specific torso angles, with defenders favoring less flexion and strikers more extreme flexion, informing athlete preparation.

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Area of Science:

  • Sports Science
  • Biomechanics
  • Human Movement Analysis

Background:

  • Field hockey demands specific, dynamic postural actions from athletes.
  • Limited research exists on torso postures during field hockey match-play and their link to perceptuomotor demands.
  • Understanding these postures is crucial for optimizing athlete performance and injury prevention.

Purpose of the Study:

  • To quantify torso flexion/extension angles in field hockey players during match-play using microtechnology.
  • To analyze the relationship between playing position and adopted torso postures.
  • To provide insights into the sport-specific postural demands of field hockey.

Main Methods:

  • Utilized commercially available microtechnology (GPS devices with inertial/magnetic sensors) to measure torso angles.
  • Collected data from 16 athletes across 91 match files during a national tournament.
  • Analyzed torso angles in the sagittal plane, categorizing time spent in specific flexion/extension bands (15 x 10°).

Main Results:

  • Athletes spent 89.26% of playing time in torso postures ranging from 20° to 90° of flexion.
  • Defenders spent significantly more time in 10-20° flexion compared to midfielders and strikers.
  • Strikers exhibited significantly more time in 30-40° flexion than defenders, indicating role-specific postural adaptations.

Conclusions:

  • Field hockey match-play involves substantial torso flexion, with variations based on playing position.
  • The findings highlight sport-specific and role-specific torso angles adopted by athletes.
  • Data can inform coaching strategies for athlete preparation, addressing specific postural demands.