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From controversy to contemporary: a narrative review of the anatomy and biomechanics of the posterolateral corner of the knee

Arthroscopy and Orthopedic Sports Medicine 2021년 8권 1호 p.1 ~ 8
Mehta Nishank, Nayak Tushar,
소속 상세정보
 ( Mehta Nishank ) - All India Institute of Medical Sciences Department of Orthopaedics
 ( Nayak Tushar ) - All India Institute of Medical Sciences Department of Orthopaedics

Abstract


Injuries to the posterolateral corner (PLC) of the knee are more common than what was traditionally believed. Concomitant injuries of the PLC with cruciate ligaments are being increasingly recognized. Failure to address the PLC injury component may result in continuing knee instability and failure of cruciate ligament reconstruction. Moreover, the PLC anatomy remains much-discussed but still poorly understood with the difference in nomenclatures over the years and the discreetly reported anatomical variations being the major bone of contention. A detailed search of the literature reveals that a lot of confusion still exists regarding the nomenclature and precise anatomical details of most structures constituting the PLC. More knowledge has also been shed on the biomechanics of PLC in recent cadaveric studies. This article concludes that a lot of discrepancy in literature was noted regarding the PLC anatomy and a better understanding of the anatomy and biomechanics of the PLC would help in diagnosing and subsequently developing anatomically sound techniques of PLC reconstruction. This article reviews the anatomy and biomechanics of the structures constituting the PLC with a special focus on the different terminology for the same structures and the resultant lack of standardization of the PLC nomenclature.

키워드

Anatomy; Anatomy of knee; Biomechanical phenomena

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