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An updated description of the properties and function of the anterolateral ligament of the knee
By Thomas Neri (1), David Parker (2) in category ANATOMY
(1) MD PhD, Sydney Orthopaedic Research Institute (SORI). Inter-university Laboratory of Human Movement Biology (LIBM EA 7424), University of Lyon - Jean Monnet, France / (2) BMedSci, MBBS, FRACS, FAOrthA, Sydney Orthopaedic Research Institute (SORI)
The control of anterolateral rotational instability (ALRI) after anterior cruciate ligament (ACL) reconstruction remains a challenge. Whatever the technique used, anatomic or non-anatomic, single or double bundle, many studies reported that 10 to 30% of patients may experience a persistent ALRI.
This unsolved issue led to the renewed interest in extra-articular anterolateral structure. Paul Segond, in 1879, proposed the first description of the AnteroLateral Ligament (ALL) as a “fibrous, pearly and resistant band that invariably stretched during forced internal rotation of the knee”. The existence and role of this structure was discussed again in 1976 by Hughston et al. in their work on the modes of rotational instability of the knee. Later, Seebacher et al. described 3 anatomical layers of the lateral side of the knee. Layer I corresponded to the IlioTibial Band (ITB). Layer II corresponded to the patellar retinaculum. Finally, layer III comprised the lateral part of the capsule, the Lateral Collateral Ligament (LCL) and an anterolateral fibrous structure. Laprade et al. also described the mid-third lateral capsular ligament and the lateral collateral ligament complex. More recently, following the Vincent et al. study, Claes et al.  identified and described a...
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