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Methods for Evaluation of Postural Control Adaptation

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Author

Summary, in English

New methods were developed to determine the dynamic changes of postural control during the initial exposure to large perturbances of stance. The adjustments of postural control over time in measured anteroposterior torque, were investigated in ten normal subjects. Perturbations of stance were evoked by two high intensity vibrators applying pseudorandom stimulation either to the calf muscles or the paravertebral muscles of the neck. The new methods use a system identification approach, which distinguishes between feedback control, adaptation of postural responses and adaptation to stimulus. This approach makes it possible to quantify motion dynamics and complexity, stimulus impact and adjustments of postural control. Quantification of the different adaptive responses could be useful for diagnostic purposes, in evaluating treatment efficacy and patient progress in rehabilitation programs.

Publishing year

2000

Language

English

Pages

14-24

Publication/Series

Gait & Posture

Volume

12

Issue

1

Document type

Journal article

Publisher

Elsevier

Topic

  • Control Engineering

Keywords

  • Vision
  • Proprioception
  • Vibration
  • Posture
  • Adaptation

Status

Published

ISBN/ISSN/Other

  • ISSN: 1879-2219