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Marking the Inferior Point
of
the Pre Sacral Triangle

pre sacral triangle in theory

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.

limits of the pre sacral triangle

The Limits of the Pre Sacral Triangle

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

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 .

palpation coccyx

confirmation of 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 which corresponds to the coccyx

Aesthetic Importance
of
the Pre Sacral Triangle

the distance infragluteal losange-inferior point of the pre sacral triangle has to be as short as possible

aesthetic-vertical-distance
That s why tensors above red line have to be only horizontal and never oblique or vertical