Flashcards in Anatomy 1: Bony Pelvis Anatomy Deck (15):
What does the bony pelvis consist of?
2 hip bones
Each hip bone is a fusion between?
What are the ligaments of the pelvis?
Sacrospinous ligament (smaller)
Sacrotuberous ligament (larger)
Where does the sacrospinous ligament attach?
To the sacrum and ischial spine
Where does the sacrotuberous ligament attach?
Between the ischial spine and a broad attachment on the sacrum
What is the function of the sacrotuberous and sacrospinous ligaments?
Ensure that the inferior part of the sacrum is not pushed superiorly when weight is suddenly transferred vertically through the vertebral column
What happens to the ligaments of the pelvis during pregnancy?
What is the course of the pudendal nerve?
Leaves through the greater sciatic foramen and returns through the lesser sciatic foramen
What makes up the pelvic inlet?
Superior Pubic Ramus
What makes up the pelvic outlet?
What are the features of the male pelvis?
-Thick, robust bone
-Narrow, deep pelvis
-Heart shaped, narrow pelvis inlet, small pelvic outlet
-Narrow subpubic angle
-Round obturator foramen
-Narrow greater sciatic notch
What are the features of the female pelvis?
-Thin, light bone
-Wide, shallow pelvis
-Rounded, wide pelvic inlet, large pelvic outlet
-Wide subpubic angle
-Oval obturator foramen
-90degree greater sciatic notch
What is the vertex?
An area of the baby's skull outlined by the anterior and posterior fontanelles and the parietal eminences
At the pelvic inlet, the transverse diameter of the pelvis is wider then the AP diameter T/F?