The ligament of Wrisberg is the posterior meniscofemoral ligament, running from the posterior horn of the lateral meniscus posteriorly to the medial femoral condyle, coursing posterior to the PCL.
Supplements the PCL as a secondary posterior lateral meniscal stabiliser, prevents excessive posterior lateral meniscal horn translation, and is present in 70-80% of individuals.
The Wrisberg ligament is more consistently present than the Humphrey ligament and is the primary meniscofemoral ligament in most individuals. In discoid lateral meniscus variants, the Wrisberg ligament attachment abnormality may cause symptomatic snapping.
The Wrisberg-type discoid lateral meniscus lacks normal peripheral peripheral attachments, relying only on the meniscofemoral ligament for posterior horn stability, producing a symptomatic snapping sensation requiring saucerisation and peripheral repair.
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