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Related Experiment Videos

The proximal tibiofibular joint: an anatomic study.

Murat Bozkurt1, Erkan Yilmaz, Doğan Atlihan

  • 1Department of Orthopaedics and Traumatology, Emergency Care and Traumatology Hospital, 06550 Ankara, Turkey. bozkurtm69@hotmail.com

Clinical Orthopaedics and Related Research
|February 13, 2003
PubMed
Summary

A study found that the proximal tibiofibular joint often communicates with the knee joint. This connection may explain subtle knee problems and suggest it acts as a fourth knee compartment.

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Area of Science:

  • Orthopedic Surgery
  • Anatomy
  • Radiology

Background:

  • The proximal tibiofibular joint's relationship with the knee is not fully understood.
  • Subtle knee problems can be challenging to diagnose and may involve less-studied anatomical structures.

Purpose of the Study:

  • To investigate the anatomical relationship between the proximal tibiofibular joint and the knee joint.
  • To determine the prevalence of communication between these two joints.
  • To assess the potential role of the proximal tibiofibular joint as a "fourth compartment" of the knee.

Main Methods:

  • Magnetic resonance imaging arthrography was performed on 14 fresh above-knee amputation specimens.
  • Dissection of these 14 specimens and 38 additional embalmed cadaver knees.

Related Experiment Videos

  • Observation of joint types and tendon insertions, including the biceps femoris tendon.

    • Main Results:

    • Nine out of 14 fresh specimens showed a clear communication between the proximal tibiofibular joint and the knee.
    • The anterior tibiofibular ligament was often fused with the biceps femoris tendon, making it difficult to distinguish as a separate band.
    • Twenty-four specimens exhibited an oblique type of proximal tibiofibular joint.

    Conclusions:

    • A significant communication exists between the proximal tibiofibular joint and the knee.
    • The intimate fusion of the anterior tibiofibular ligament with the biceps femoris tendon is a common finding.
    • The proximal tibiofibular joint's communication with the knee suggests it could be considered a fourth compartment, aiding in the explanation of certain knee pathologies.