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Updated: Jan 6, 2026

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Anteromedial rotatory laxity.

Lars Engebretsen1,2,3, Martin Lind4

  • 1Department of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway.

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA
|June 19, 2015
PubMed
Summary

Anteromedial rotatory laxity involves combined instability of the knee

Keywords:
Anatomical ligament reconstructionAnteromedial rotatory instabilityMedial collateral ligamentPosterior oblique ligament

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Area of Science:

  • Orthopedic Surgery
  • Knee Biomechanics

Background:

  • Anteromedial rotatory laxity stems from combined instability of the superficial medial collateral ligament (MCL) and posteromedial corner structures.
  • This instability manifests clinically as anteromedial tibial plateau subluxation relative to the femoral condyle.

Purpose of the Study:

  • To describe anteromedial rotatory laxity of the knee.
  • To present the anatomical and biomechanical basis of anteromedial laxity.
  • To review clinical evaluation, treatment strategies, and surgical outcomes for anteromedial rotatory instability.

Main Methods:

  • Review of clinical studies on surgical treatment of anteromedial rotatory instability.
  • Analysis of surgical techniques and clinical outcomes.

Main Results:

  • The paper details the pathological background, clinical presentation, and anatomical/biomechanical factors of anteromedial rotatory laxity.
  • A review of surgical interventions and their outcomes is provided.

Conclusions:

  • Understanding the combined instability is key to diagnosing and treating anteromedial rotatory laxity.
  • The review offers insights into surgical management and outcomes for this specific knee instability.