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Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability
Published on: September 18, 2020
9.0K
An Updated Model of Chronic Ankle Instability
Jay Hertel1,2, Revay O Corbett1
1Department of * Kinesiology, University of Virginia, Charlottesville.
Journal of Athletic Training
|June 5, 2019
Summary
Lateral ankle sprains (LASs) can lead to chronic ankle instability (CAI) in up to 40% of cases. This study presents a new model explaining the interconnected factors contributing to CAI for better assessment and rehabilitation.
Area of Science:
- Sports Medicine
- Orthopedics
- Rehabilitation Science
Background:
- Lateral ankle sprains (LASs) are common sports injuries.
- Up to 40% of individuals with a first-time LAS develop chronic ankle instability (CAI).
- CAI involves recurrent sprains, ankle instability, and persistent symptoms like pain and weakness.
Purpose of the Study:
- To present an updated model of CAI.
- To synthesize current understanding of CAI causes.
- To provide a framework for clinical assessment and rehabilitation of LASs and CAI.
Main Methods:
- The study integrates concepts from the biopsychosocial model.
- It applies dynamic systems theory (self-organization, perception-action cycles).
- It incorporates Melzack's neuromatrix theory of pain (patient-specific neurosignature).
Main Results:
- An acute LAS can initiate interrelated pathomechanical, sensory-perceptual, and motor-behavioral impairments.
- These impairments collectively influence a patient's clinical outcome in CAI.
- The updated model explains the complex interplay of factors leading to CAI.
Conclusions:
- The proposed CAI model offers a comprehensive understanding of injury development.
- This framework aids in the clinical evaluation of patients with LASs or CAI.
- It guides targeted rehabilitation strategies for improved patient function and outcomes.
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