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Table 1 Meniscal tears classification

From: Rehabilitation and return to sports after isolated meniscal repairs: a new evidence-based protocol

Meniscal tear Description
Longitudinal Vertical Vertically oriented parallel to the edge of the meniscus
Longitudinal Horizontal Horizontally oriented perpendicular to the edge of the meniscus. The superior and the inferior surfaces of the meniscus are divided
Radial Vertically oriented extending from the inner edge of the meniscus toward its periphery
Bucket Handle The inner fragment of a longitudinal tear displaces over into the intercondylar notch
Flap or Parrot-Beak (oblique tear) Radial tears with a circumferential extension creating a flap of meniscal tissue
Complex Combination of other tears that occurred in multiple planes
Ramp (menisco-synovial) Tears located at the posterior meniscocapsular junction and/or tears of the posterior meniscotibial ligament
Root Defined as either radial/oblique tears located within 1 cm of the meniscal attachment or a bony/soft-tissue root avulsion
Hypermobile Lateral Meniscus Hypermobile lateral menisci are thought to result from either congenital absence of posterior capsular attachments or from tears of posterior capsular attachment, in particular the popliteomeniscal fascicles