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Ankle Joint01:10

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Related Experiment Video

Updated: Oct 5, 2025

A Mouse Model of Ankle-Subtalar Complex Joint Instability
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Lateral Ankle Sprain and Chronic Ankle Instability.

Aida K Sarcon1, Nasser Heyrani1, Eric Giza1

  • 1Department of Orthopaedic Surgery, University of California Davis Medical Center, Sacramento, CA, USA.

Foot & Ankle Orthopaedics
|January 31, 2022
PubMed
Summary

Chronic ankle instability (CAI) affects 10-30% of patients after recurrent ankle sprains. Treatment involves conservative methods, with surgery reserved for cases unresponsive to non-surgical interventions.

Keywords:
ankle instabilityarthroscopic Brostromchronic ankle instabilitylateral ligamentmodified Brostromsprain

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Anatomy

Background:

  • Chronic ankle instability (CAI) affects 10-30% of individuals following recurrent lateral ankle sprains.
  • Patients often report a history of the ankle "giving way," with or without examination-confirmed laxity.
  • Predisposing risk factors for recurrent sprains are crucial in evaluation.

Purpose of the Study:

  • To provide a comprehensive review of chronic lateral ankle instability.
  • To cover relevant anatomy, associated intra-articular disorders, and diagnostic evaluation.
  • To discuss current and emerging treatment modalities, including surgical and non-surgical options.

Main Methods:

  • Review of existing literature on chronic lateral ankle instability.
  • Discussion of diagnostic criteria, including clinical tests and imaging.
  • Analysis of nonoperative (rehabilitation, bracing) and operative (anatomic, minimally invasive) treatment strategies.

Main Results:

  • Anatomic surgical repairs, such as the modified Broström procedure, are favored for restoring biomechanics.
  • Minimally invasive arthroscopic techniques are gaining interest for addressing intra-articular pathology.
  • Conservative treatments like rehabilitation and bracing are primary interventions.

Conclusions:

  • Accurate diagnosis of CAI relies on a combination of patient history, risk factor assessment, clinical tests, and imaging.
  • Anatomic surgical reconstruction is preferred for cases failing conservative management.
  • Further research into minimally invasive arthroscopic approaches for CAI is warranted.