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Related Experiment Video

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Experimental Methods to Study Human Postural Control
08:12

Experimental Methods to Study Human Postural Control

Published on: September 11, 2019

Changes in preferred postural patterns following stroke during intentional ankle/hip coordination.

Deborah Varoqui1, Jérôme Froger, Julien Lagarde

  • 1Motor Efficiency and Deficiency Laboratory, University Montpellier 1, av. du Pic St. Loup, 34090 Montpellier, France. deborah.varoqui@gmail.com

Gait & Posture
|April 6, 2010
PubMed
Summary

Stroke survivors struggle with ankle/hip coordination, unable to produce in-phase patterns and showing reduced stability in anti-phase tasks. This loss of postural patterns impacts rehabilitation strategies.

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Related Experiment Videos

Last Updated: Jun 14, 2026

Experimental Methods to Study Human Postural Control
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Published on: September 11, 2019

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication
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Published on: December 11, 2013

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07:52

Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability

Published on: September 18, 2020

Area of Science:

  • Neuroscience
  • Biomechanics
  • Rehabilitation Science

Background:

  • Stroke often impairs motor control and postural stability.
  • Understanding specific coordination deficits is crucial for effective rehabilitation.

Purpose of the Study:

  • To compare spatio-temporal postural organization between stroke patients and healthy controls.
  • To investigate the ability to intentionally produce ankle/hip coordination patterns (in-phase and anti-phase) post-stroke.

Main Methods:

  • Bipedal standing task with visual biofeedback of ankle-hip coordination (Lissajous figures).
  • Participants attempted to reproduce in-phase and anti-phase coordination patterns.
  • Stability and pattern reproduction accuracy were assessed.

Main Results:

  • Healthy participants successfully reproduced both in-phase and anti-phase patterns.
  • Stroke patients were unable to produce the in-phase pattern.
  • Stroke patients exhibited reduced stability when attempting the anti-phase pattern.

Conclusions:

  • Post-stroke postural impairment includes the loss of specific coordination patterns.
  • Deficits in producing preferred postural patterns may explain reduced stability.
  • Findings inform the understanding of postural pattern formation and stroke rehabilitation programs.