Diagram of meniscal tear patterns: (A) Vertical or longitudinal (Bucket-handle), (B) Flap or Oblique, (C) Radial or Transverse, (D) Horizontal, (E) Complex degenerative. (Reprinted with permission.) ...

The meniscus is cartilage in the knee that cushions the joint. Meniscal tear is caused due to any activity that causes forceful twist of the knee such as aggressive pivoting or sudden stops and turns.