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Related Experiment Videos

Knee version associated with anterior knee pain

D G Eckhoff1, A W Brown, R F Kilcoyne

  • 1Department of Orthopaedics, University of Colorado, Denver, USA.

Clinical Orthopaedics and Related Research
|June 1, 1997
PubMed
Summary

Knee version, or tibial rotation, is significantly increased in individuals with anterior knee pain compared to asymptomatic volunteers. This finding highlights a unique morphological characteristic associated with knee pain.

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Area of Science:

  • Orthopedics
  • Biomedical Engineering
  • Radiology

Background:

  • Anterior knee pain is a common condition affecting many individuals.
  • The underlying causes of anterior knee pain are multifactorial and not fully understood.
  • Knee version, defined as tibial rotation relative to the femur, has been hypothesized as a contributing factor.

Purpose of the Study:

  • To investigate and compare knee version in patients with anterior knee pain versus asymptomatic individuals.
  • To determine if altered knee version is a distinct morphological characteristic associated with anterior knee pain.

Main Methods:

  • Computed tomography (CT) scans were utilized to assess knee morphology.
  • Fourteen patients with persistent anterior knee pain and 14 asymptomatic volunteers were included.

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  • The angle between the bicondylar axis of the femur and the posterior tibial axis was measured in full knee extension.

    • Main Results:

    • Patients with anterior knee pain exhibited a significantly greater mean knee version angle (7 degrees) compared to asymptomatic volunteers (1 degree).
    • This difference indicates increased external rotation of the tibia relative to the femur in the symptomatic group.
    • The findings suggest a specific morphological variation in the knee joint of individuals experiencing anterior knee pain.

    Conclusions:

    • Increased knee version is a significant morphological characteristic associated with anterior knee pain.
    • This finding may have implications for understanding the biomechanics of anterior knee pain.
    • Further research can explore therapeutic interventions targeting knee version.