Rotatory instability of the knee after ACL tear and reconstructionReportar como inadecuado

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Journal of Orthopaedics and Traumatology

, Volume 15, Issue 2, pp 75–79

First Online: 06 August 2013Received: 30 January 2013Accepted: 09 July 2013


Although ACL reconstructions provide satisfactory clinical results nowadays, regardless of the type of graft or the surgical technique used out-in vs in-out or single- vs double-bundle, the residual rotatory instability which is often detected at clinical follow-ups is still a matter of concern among surgeons. In this paper we try to analyze all the aspects which might contribute to this phenomenon by summarizing the biomechanical functions of the two bundles of the ACL, and by evaluating all the other factors strictly related to the rotatory instability of a reconstructed knee, such as the anatomical positioning of the single- or double-bundle new ACL, or the importance of a valid lateral compartment LCL, ALTFL. Clinical, biomechanical and cadaver studies are discussed in order to contribute to better understanding of the origin of post-operative residual rotatory instability.

KeywordsACL reconstruction Single-bundle Double-bundle Navigator system Rotatory instability  Download fulltext PDF

Autor: Andrea Ferretti - Edoardo Monaco - Antonio Vadalà


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