sacral region ex 2 QQ

Question 1

what is the name of the condition in which the L5 spinous process increases in length due to aging process?

Answer 1

Baastrup’s syndrome or kissing spine

Question 2

what is knife clasp syndrome?

Answer 2

congenital condition in which the L5 spinous process is elongated, the sacrum exhibits spin bifida and dorsiflexion produces pain

Question 3

from the anterior view, the intervertebral discs of the sacrum will be replaced by what feature?

Answer 3

transverse ridges

Question 4

what part of the sacral ala continues along the ventral surface of sacrum to about S4?

Answer 4

costal element

Question 5

what forms the median sacral crest?

Answer 5

fused spinous processes and their spinous tubercles

Question 6

an imaginary line drawn from the superior articular process of S1 to the sacral cornu will form what feature?

Answer 6

intermediate sacral crest

Question 7

what features may be identified along the intermediate sacral crest?

Answer 7

mammillary process of S1 and sacral cornu of S5

Question 8

what is the name of the inferior opening of the sacral spinal canal?

Answer 8

sacral hiatus

Question 9

what features may be identified along the lateral sacral crest?

Answer 9

S1 transverse tubercle
sacral tuberosity of S2
transverse tubercles from S3-S5

Question 10

what is the name of the joint formed by the sacral tuberosity?

Answer 10

accessory sacro-iliac joint

Question 11

what muscle is said to attach to the dorsal surface of the sacrum?

Answer 11

iliacus

Question 12

what feature is identified on the lateral surface of S1-S3?

Answer 12

auricular surface

Question 13

what feature does the anterior surface of the superior epiphyseal rim of S1 form?

Answer 13

sacral promontory

Question 14

the continuation of the anterior longitudinal ligament below S3 forms what ligament?

Answer 14

anterior sacrococcygeal ligament

Question 15

the continuation of the posterior longitudinal ligament below S3 forms what ligament?

Answer 15

deep posterior sacrococcygeal ligament

Question 16

what ligament is attached to the sacral hiatus?

Answer 16

superficial posterior sacrococcygeal ligament

Question 17

what is the homolog for the posterior longitudinal ligament at S5?

Answer 17

deep posterior sacrococcygeal ligament

Question 18

what is the homolog for the anterior longitudinal ligament at S5?

Answer 18

anterior sacrococcygeal ligament

Question 19

what is the homolog for the ligamentum flavum at S5?

Answer 19

superficial posterior sacrococcygeal ligament

Question 20

what forms the inferior boundary for the spinal canal?

Answer 20

union of the superficial posterior and deep posterior sacrococcygeal ligaments

Question 21

what ligament is formed by the union of the superficial posterior sacrococcygeal and deep posterior sacrococcygeal ligaments of Co1?

Answer 21

posterior sacrococcygeal ligament

Question 22

what ligament is a homolog of the inter transverse ligament at S5?

Answer 22

lateral sacrococcygeal ligament

Question 23

what ligament divides the sciatic foramen into the greater and lesser sciatic foramina?

Answer 23

sacrospinous ligament

Question 24

which ligament has a broad attachment along the lateral margin of sacrum and coccyx and then attaches to the ischial tuberosity?

Answer 24

sacrotuberous ligament

Question 25

which ligament represents a thickening of the fibrous capsule of the sacra-iliac joint?

Answer 25

anterior sacro-iliac ligament

Question 26

which ligament is the strongest of the sacra-iliac ligaments and is penetrated by dorsal rami of the sacral spinal nerves?

Answer 26

interosseous sacro-iliac ligament

Question 27

which ligament will attach the intermediate sacral crest of S1, lateral sacral crest of S2 to the posterior superior iliac spine?

Answer 27

short posterior sacro-iliac ligament

Question 28

which ligament attaches the lateral sacral crest of S3 and S4 to the posterior superior iliac spine?

Answer 28

long posterior sacro-iliac ligament

Question 29

what is the homolog for the inferior articular process and facet at S5?

Answer 29

sacral cornu

Question 30

what is the homolog for the superior articular process and facet at Co1?

Answer 30

coccygeal cornu

Question 31

what is the homolog for the capsular ligament at S5?

Answer 31

intercornual ligament