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Crus (left)

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

The left crus is characterised by:

  • origin on anterior surface of upper two lumbar vertebrae and their intervertebral discs
  • fibres interdigitate into one tendon which passes superoanteriorly to merge with the central tendon of the diaphragm
  • shorter and thinner than right crus

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