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Related Experiment Video

Updated: Jan 23, 2026

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

Phillip A Gribble1

  • 1Department of Athletic Training and Clinical Nutrition, College of Health Sciences, University of Kentucky, Lexington.

Journal of Athletic Training
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Summary

Clinicians must evaluate ankle instability comprehensively, not just acutely. Early and thorough assessments, including injury history and physical exams of the talocrural and subtalar joints, are crucial for preventing chronic ankle instability.

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Area of Science:

  • Sports Medicine
  • Orthopedics
  • Physical Therapy

Background:

  • Lateral ankle sprains are common in physical activity, leading to high rates of reinjury and chronic ankle instability.
  • Current evaluations often focus on the acute phase, potentially overlooking long-term deficits.
  • Recurrent ankle sprains necessitate a broader assessment approach.

Purpose of the Study:

  • To emphasize the importance of comprehensive ankle instability evaluation beyond the acute phase.
  • To guide clinicians in assessing patients with both initial and recurrent lateral ankle sprains.
  • To highlight the need for interventions that mitigate the risk of developing chronic ankle instability.

Main Methods:

  • Review of clinical examination protocols for lateral ankle sprains.
  • Emphasis on thorough injury history taking.
  • Assessment of talocrural and subtalar joint mobility and stability.
  • Consideration of diagnostic tools for evaluating injured structures.
  • Evaluation during subacute and return-to-activity phases.

Main Results:

  • Standardized physical assessments are recommended for all lateral ankle sprains, irrespective of injury history.
  • Detailed injury history provides critical information for clinical examination.
  • Comprehensive assessments in later phases can identify deficits resembling chronic ankle instability.
  • Timely interventions are key to preventing long-term instability.

Conclusions:

  • Ankle instability evaluation requires a holistic approach, extending beyond the acute injury period.
  • Thorough clinical examination and appropriate diagnostic tools are essential.
  • Addressing identified deficits proactively can prevent the development of chronic ankle instability and improve patient outcomes.