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Negative muscle pennation angle as a sign of massive musculotendinous retraction after tendon tear: paradoxical function of the vastus lateralis muscle

Meyer, D. ; Gerber, C. ; Farshad, M.

In: Knee Surgery, Sports Traumatology, Arthroscopy, 2011, vol. 19, no. 9, p. 1536-1539

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    Titel
    • Negative muscle pennation angle as a sign of massive musculotendinous retraction after tendon tear: paradoxical function of the vastus lateralis muscle
    Autor
    • Meyer, D.. Balgrist University Hospital, University of Zürich, Forchstr. 340, 8008, Zürich, Switzerland
    • Gerber, C.. Balgrist University Hospital, University of Zürich, Forchstr. 340, 8008, Zürich, Switzerland
    • Farshad, M.. Balgrist University Hospital, University of Zürich, Forchstr. 340, 8008, Zürich, Switzerland
    Dokumententyp
    • Postprint
    Sprache
    • Englisch
    Veröffentlicht in
    • Knee Surgery, Sports Traumatology, Arthroscopy, 2011, vol. 19, no. 9, p. 1536-1539. Springer-Verlag
    Andere elektronische Ausgabe
    OAI-PMH-ID
    • oai:doc.rero.ch:316833
    Summary
    Case report In the presented case, an isolated vastus lateralis tendon tear resulted in a negative pennation angle of the distal muscle fibers acting paradoxical to the physiological direction of the proximal muscle fibers. This observation makes the value of an in situ repair of a far retracted tendon tear with interposition of a graft questionable and emphasizes early over late anatomic surgical restoration of the muscle architecture after tendon tears