Anatomy of the Pelvis Flashcards
Which are the bones of the pelvic girdle?
R & L Innominate
Sacrum
(Coccyx is not included)
What does the pelvic girdle do?
Weight bearing
Muscle attachment (lower limb, perineum, pelvis diaphragm, erectile tissue)
Protection of pelvic viscera
What is the name for the area of the pelvis where the hip bone sits?
Acetabulum
What type of cartilage is found in the acetabulum?
Triradiate cartilage
When do the innominate bones fuse?
Puberty
Which bones make up the innominate bone?
Ischium
Ilium
Pubis
What runs between the ASIS and PSIS?
Iliac crest
What are the tuberosity and spine of the ischium important for?
Muscle attachment
How can you tell the difference between a M and F pelvis from the pubis bone?
By the pubic arch - the degree of the angle - M usually <70, F usually >80 degrees
What is another name for the pecten pubis?
Pectineal line
How many vertebrae make up the sacrum?
5 (fused)
How many vertebrae make up the coccyx
3 (fused)
How can the sacrum differ in M and F?
The promontory protrudes less in F to allow the passage of a baby through the birth canal
How many joints are in the pelvis?
5