Marking the Inferior Point
of the Pre Sacral Triangle

The Inferior Point of the Pre Sacral Triangle

in red at the bottom of the triangle ( area 1)

The pre sacral space is inside the pelvis,behind the rectum and in front of the coccyx and sacrum.

The Limits of the Pre Sacral Triangle

  • The 2 upper lateral points correspond to postero superior iliac spines ( in green)
  • The inferior point of the pre sacral triangle corresponds to the apex of the sacral triangle¬† (in red)

Finding the inferior point of the pre sacral triangle by inspection

On the upper part of the inter gluteal cleft,at the intersection between the superficial cleft and the deep cleft .

confirm the inferior point of the pre sacral triangle by palpation

Use the 5 th finger to find by palpation the bony inferior point of the pre sacral triangle .

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