The Bony Pelvis

Question 1

What are the component parts of the superior pelvic aperture/pelvic inlet/pelvic brim?

Answer 1

Sacral promontory

Ala of the sacrum

Arcuate line of ileum

Pecten pubis

Pubic tubercle

Pubic crest

Pubic symphysis

Question 2

What are the component parts of the inferior pelvic aperture/pelvic outlet?

Answer 2

Inferior margin of pubic symphysis

Inferior rami of pubis

Sacrotuberous ligaments

Tip of coccyx

Question 3

How does the greater pelvis differ in females and males?

Answer 3

Females- shallow

Males- deep

Question 4

How does the lesser pelvis differ in females and males?

Answer 4

Females- Wide and shallow

Males- Narrow and deep

Question 5

How does the pelvic inlet differ in females and males?

Answer 5

Females- oval/rounded

Males- heart-shaped

Question 6

How does the pelvic outlet differ in females and males?

Answer 6

Females- Larger

Males- Smaller

Question 7

How does the subpubic angle differ in females and males?

Answer 7

Females- Obtuse

Males- Acute

Question 8

How does the obturator foramen differ in females and males?

Answer 8

Females- Oval

Males- Round

Question 9

How does the acetabulum differ in females and males?

Answer 9

Females- Small

Males- Large

Question 10

What type of joint is the sacroiliac joint?

Answer 10

Anteriorly- synovial plane

Posteriorly- Syndesmosis

Question 11

What type of joint is the pubic symphysis?

Answer 11

Secondary cartilaginous- symphysis