Stress radiography of medial knee instability provides a reliable correlation with the severity of injury and medial joint space opening-A robotic biomechanical cadaveric study.

Journal: Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA
Published Date: Jan 22, 2025

Abstract

PURPOSE: The medial collateral ligament (MCL), and posterior oblique ligament (POL) are the primary valgus stabilisers of the knee, and clinical examinations in grading valgus instability can be inherently subjective. Stress radiography of medial-sided knee injuries provides objective diagnosis and was analysed in this study. We hypothesised that (1) medial joint space opening would increase cutting the superficial MCL (sMCL), POL and anterior cruciate ligament (ACL); (2) isolated deep MCL (dMCL) injury would not increase medial joint space opening; (3) medial joint space opening would increase at higher flexion angles.

Authors

  • Thorben Briese
    Department of Trauma, Hand and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany.
  • Matthias Holz
    Department of Trauma, Hand and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany.
  • Christian Peez
    Department of Trauma, Hand and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany.
  • Michael J Raschke
    Department of Trauma, Hand and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany.
  • Adrian Deichsel
    Department of Trauma, Hand and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany.
  • Elmar Herbst
    Department of Trauma, Hand and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany.
  • Mirco Herbort
  • Christoph Kittl
    Department of Trauma, Hand and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany.

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