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The Capital Region of Denmark - a part of Copenhagen University Hospital
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Elbow joint instability: A kinematic model

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The effect of simultaneous ulnar and radial collateral ligament division on the kinematics of the elbow joint is studied in a cadaveric model. Severance of the anterior part of the ulnar collateral ligament and the annular ligament led to significant elbow joint instability in valgus and varus stress and in forced external and internal rotation. The mean maximum laxity in valgus stress and forced external rotation were 5.7° and 13.2°. The forearms of the elbow joint specimens were transfixed in maximum pronation. During valgus and varus stress the corresponding spontaneous ulnar rotation of the specimens was recorded. The reproducibility of the instability pattern suggests that this model is suitable for evaluating stabilizing procedures aimed at correction of elbow joint instability before these procedures are introduced into patient care.

Original languageEnglish
JournalJournal of Shoulder and Elbow Surgery
Volume3
Issue number3
Pages (from-to)143-50
Number of pages8
ISSN1058-2746
DOIs
Publication statusPublished - May 1994

    Research areas

  • Journal Article

ID: 50039863