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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Analysis of finger extensor mechanism strains.
    Author: Hurlbut PT, Adams BD.
    Journal: J Hand Surg Am; 1995 Sep; 20(5):832-40. PubMed ID: 8522752.
    Abstract:
    Strains in the extensor mechanism of the finger were measured in a cadaver model using Hall-effect transducers. Several components of the mechanism were evaluated at different joint positions, with different intrinsic and extrinsic tendon loading conditions, and after creating a boutonnière deformity. Landsmeer's theory that predictable and obligatory interactions occur within the extensor mechanism during finger movement is strongly supported by our results. The concept of the Bunnell intrinsic-tightness test was confirmed. Results were consistent with clinical observations and current theories on the pathomechanics of claw and boutonnière deformities. Based on our experimental findings, we conclude that strain analysis is an effective method of evaluation of the extensor mechanism with potential for in vivo surgical applications.
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