Abstract
Obligatory patella dislocation in flexion is an uncommon form of patellar instability, where the patella is located in extension and dislocates with every episode of knee flexion. This results in dramatically altered patellofemoral kinematics and can be extremely debilitating due to extensor strength deficits and lack of knee confidence in flexion. Concomitant pathology, which is often seen, includes a tight lateral retinaculum and a shortened extensor mechanism. Lengthening the extensor mechanism is a critical part of successful patellar stabilization, and has not been well-reported. Herein, we present a technique of quadriceps lengthening for the treatment of obligatory patellar dislocation.
Original language | English (US) |
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Pages (from-to) | e1589-e1595 |
Journal | Arthroscopy Techniques |
Volume | 11 |
Issue number | 9 |
DOIs | |
State | Published - Sep 2022 |
Bibliographical note
Funding Information:The authors report the following potential conflicts of interest or sources of funding: E.A.A. reports personal fees from Smith & Nephew, Knee Surgery, Sports Traumatology, Arthroscopy, American Journal of Sports Medicine, and Journal of ISAKOS, outside the submitted work. S.L.S. reports personal fees from Arthrex, BioVentus, Joint Restoration Foundation, Kinamed, NewClip, Conmed, Smith & Nephew, Vericel, Vivorte, Reparel, Sarcio, and Epic Bio, outside the submitted work. Full ICMJE author disclosure forms are available for this article online, as supplementary material.
Publisher Copyright:
© 2022 The Authors
PubMed: MeSH publication types
- Journal Article