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Influence of Step-Width Manipulation on Running Biomechanics
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Modifications to head-trunk coordination dynamics during running and sidestepping.

Samuel Zeff1, Gillian Weir1, Todd C Pataky2

  • 1Department of Kinesiology, University of Massachusetts, Amherst, MA, USA.

Sports Biomechanics
|December 21, 2022
PubMed
Summary
This summary is machine-generated.

Sidestepping alters head-trunk coordination compared to running. This dynamic movement increases transverse plane coordination and reduces sagittal plane anti-phase coordination, impacting sports performance.

Keywords:
Head controlSnPMcoordinationintrinsic dynamicslocomotionrunningsidesteppingvector coding

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Area of Science:

  • Biomechanics
  • Human Movement Science
  • Sports Science

Background:

  • Head-trunk coordination is crucial for dynamic movements like running.
  • Understanding how this coordination changes during different tasks is vital for sports performance and injury prevention.

Purpose of the Study:

  • To investigate modifications in intrinsic head-trunk coordination dynamics during sidestepping compared to forward running.
  • To quantify changes in head-trunk range of motion and coordination patterns across different movement planes.

Main Methods:

  • Fourteen athletes performed both forward running and sidestepping tasks.
  • Head-trunk coordination and range of motion were assessed in transverse and sagittal planes during flight and stance phases.
  • Statistical non-parametric mapping analyzed coordination shifts.

Main Results:

  • Sidestepping increased in-phase head-trunk coordination in the transverse plane during stance.
  • Sidestepping reduced anti-phase head-trunk coordination in the sagittal plane.
  • Greater head and trunk range of motion and vertical trunk center of mass displacement were observed during sidestepping.

Conclusions:

  • Sidestepping significantly modifies intrinsic head-trunk coordination dynamics established during forward running.
  • Changes include greater transverse plane head contributions and reduced compensatory sagittal plane head motion.
  • Altered coordination may affect visual perception and readiness in complex sports tasks.