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Related Experiment Videos

Coordination of posture and movement.

J S Frank1, M Earl

  • 1Department of Kinesiology, University of Waterloo, Ontario, Canada.

Physical Therapy
|December 1, 1990
PubMed
Summary

Subtle postural adjustments stabilize the body during movement. This review explores their properties and proposes a schema where the central nervous system

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Area of Science:

  • Neuroscience
  • Biomechanics
  • Motor Control

Background:

  • Movement execution relies on continuous postural adjustments.
  • These adjustments counteract destabilizing forces during locomotion.
  • Properties of postural adjustments accompanying movement are not well understood.

Purpose of the Study:

  • Review properties of postural adjustments during limb and trunk movements.
  • Propose a schema for posture-movement coordination.
  • Highlight the role of internal body dynamics models in anticipatory postural control.

Main Methods:

  • Literature review of studies on postural adjustments.
  • Analysis of coordination between voluntary movement and postural control.
  • Theoretical modeling of central nervous system function in motor control.

Main Results:

  • Postural adjustments exhibit diverse properties depending on the movement.
  • Anticipatory postural control is crucial for stable movement.
  • A central nervous system model of body dynamics is proposed as essential for anticipatory control.

Conclusions:

  • Understanding postural adjustments is key to safe and efficient movement.
  • The proposed schema provides a framework for posture-movement coordination.
  • Anticipatory postural control relies on internal predictive models.

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