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. 2016 Sep 20;4(9):2325967116665080. doi: 10.1177/2325967116665080

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© The Author(s) 2016

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License (http://www.creativecommons.org/licenses/by-nc-nd/3.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — Multibody dynamic simulation model of the knee. Patellar tracking is shown as a left knee extends from (A) a flexed position to (B) full extension in the preoperative condition and (C) for the knee extended with an MPFL graft wrapping around the femoral condyle. (D) The standard attachment of the MPFL graft based on the depth of the medial condyle⁴² is also shown. MPFL, medial patellofemoral ligament.