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Related Experiment Videos

Is There a Link Between Chronic Ankle Instability and Postural Instability?

Bryan L Riemann1

  • 1Georgia Southern University, Statesboro, GA.

Journal of Athletic Training
|August 26, 2003
PubMed
Summary

Functional ankle instability may disrupt postural control, but findings vary due to different testing methods. Deficiencies may only appear under challenging conditions, suggesting a need to explore broader postural control system factors.

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Area of Science:

  • Biomechanics
  • Motor Control
  • Orthopedics

Background:

  • Functional ankle instability is common after ankle injuries.
  • Its impact on postural control remains debated, with conflicting research findings.
  • Varied methodologies and definitions complicate consensus.

Purpose of the Study:

  • To offer an updated perspective on the link between functional ankle instability and postural control.
  • To synthesize existing research on postural control disruptions in chronic ankle instability.
  • To guide future research and clinical evaluations.

Main Methods:

  • Systematic literature search of MEDLINE and SPORTDiscus (1966-2001).
  • Inclusion of keywords: ankle, instability, balance.
  • Cross-referencing of relevant articles for comprehensive data synthesis.

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Main Results:

  • Conflicting evidence exists regarding postural control deficits in functional ankle instability.
  • Studies focusing on altered postural control strategies show more consistent results.
  • Postural control deficiencies may not be evident without challenging tasks or environments.

Conclusions:

  • Postural control is likely affected by orthopaedic injuries like ankle instability.
  • Lateral ankle-ligament mechanoreceptors may not be the sole cause of postural alterations.
  • Further investigation into other components of the postural control system is recommended for evaluations and rehabilitation.