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Crus (right)

Authoring team

The right crus is characterised by:

  • origin on anterior surface of upper three lumbar vertebral bodies and their interposed intervertebral discs
  • tendon fibres pass superiorly and to the left to form a sling around the oesophagus at its aperture through the diaphragm
  • muscle fibres merge beyond the oesophagus, pass superoanteriorly and insert into the central tendon of diaphragm
  • wider and longer than left crus

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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