What anatomy is involved in repair of sacral pressure injuries (pressure ulcers)?

Updated: Mar 26, 2020
  • Author: Christian N Kirman, MD; Chief Editor: John Geibel, MD, MSc, DSc, AGAF  more...
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Answer

The superior and inferior gluteal arteries branch from the internal iliac artery superior and inferior to the piriformis approximately 5 cm from the medial edge of the origin of the gluteus maximus from the sacrococcygeal line (from PSIS to coccyx; see the image below).

 

Superior and inferior gluteal arteries branch from Superior and inferior gluteal arteries branch from internal iliac superior and inferior arteries to piriformis approximately 5 cm from medial edge of origin of gluteus maximus from sacrococcygeal line.

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