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Related Experiment Videos

Medial ankle instability.

Beat Hintermann1

  • 1University of Basel, Clinic of Orthopaedic Surgery, Kantonsspital, CH-4031 Basel, Switzerland. bhintermann@datacomm.ch

Foot and Ankle Clinics
|January 15, 2004
PubMed
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Medial ankle instability, characterized by a "giving way" sensation and pain, can involve both medial and lateral ligaments. Treatment may include ligament reconstruction and, for severe deformities, calcaneal osteotomy, leading to high patient satisfaction.

Area of Science:

  • Orthopedics
  • Sports Medicine
  • Anatomy

Background:

  • Medial ankle instability presents as a "giving way" sensation, pain, and potential deformity.
  • Chronic instability may involve combined medial and lateral ligamentous injury, leading to talar rotational instability.
  • Valgus and pronation foot deformities are characteristic, often correctable by posterior tibial muscle activation.

Purpose of the Study:

  • To describe the clinical presentation and diagnostic approaches for medial ankle instability.
  • To outline treatment strategies, including surgical reconstruction and osteotomy.
  • To present a classification system for guiding treatment and evaluating outcomes.

Main Methods:

  • Clinical assessment of patient history, symptoms, and physical examination findings.

Related Experiment Videos

  • Diagnostic arthroscopy to evaluate medial and potentially lateral ankle ligament involvement.
  • Surgical reconstruction of involved ligaments and, in select cases, calcaneal lengthening osteotomy.
  • Classification of instability into three types to guide treatment decisions.

    • Main Results:

    • Arthroscopy is valuable for diagnosing medial instability and identifying concurrent lateral ligament involvement.
    • Surgical reconstruction of medial and/or lateral ligaments can effectively treat symptomatic instability.
    • Calcaneal lengthening osteotomy may be necessary for progressed or long-standing foot deformities.
    • A three-type classification system aids in surgical planning and predicting outcomes.

    Conclusions:

    • Medial ankle instability requires comprehensive evaluation, potentially involving both medial and lateral structures.
    • Surgical intervention, guided by a classification system, offers reliable results and high patient satisfaction.
    • Addressing associated foot deformities is crucial for successful treatment outcomes.