Sacroiliac joint Flashcards Preview

Spinal anatomy quiz questions > Sacroiliac joint > Flashcards

Flashcards in Sacroiliac joint Deck (16):
1

What is the auricular surface of the ilium composed of?

articular cartilage, interspersed with fibrocartilage

2

What is the superficial appearance of the auricular surfaces of the sacro-iliac joint by age 15?

the sacrum develops as a sacral groove while the ilium develops an iliac ridge

3

Which gender is biased with greater unevenness of the auricular surface of the sacro-iliac joint?

males

4

What forms the accessory sacro-iliac joint?

the sacral tuberosity and the iliac sulcus

5

What pathological or age-related modifications of the sacro-iliac joint may occur?

degenerative arthrosis and ankylosis

6

What does degenerative arthrosis mean?

a condition of degeneration of the joint, sometimes referred to as degenerative joint disease (DJD)

7

*What does ankylosis mean?

a condition of fibrous adhesion occurs within the joint

8

What is the age and surface bias associated with degenerative arthrosis of the sacro-iliac joint?

age 40, the iliac auricular surface

9

What is the age and gender bias associated with ankylosis of the sacro-iliac joint?

age 50 and male bias particularly in African American males

10

What movements at the sacro-iliac joint are describer as forward nodding and backward nodding?

nutation and counternutation, respectively

11

What is the age and gender bias associated with ossification of the anterior sacro-iliac ligament?

age 40 and male bias

12

Which is the strongest of the sacro-iliac ligaments?

the interosseous sacro-iliac ligament

13

What are the attachment sites of the interosseous sacroiliac ligament?

at the sacral tuberosity and the iliac sulcus

14

What is the relationship between the capsular and interosseous sacroiliac ligaments?

the interosseous sacro-iliac ligament replaces the capsular ligament posteriorly

15

What passes between the layers of the interosseous sacro-iliac ligament?

dorsal rami from the sacral spinal nerves

16

What ligament blends with the lateral border of the long posterior sacro-iliac ligament?

the sacrotuberous ligament

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