Exam 2 Sacrum

Question 1

How many fibrous Amphiarthrosis syndesmosis joint surfaces are present on the S1 vertebral body

Answer 1

4

Question 2

How many joint surfaces are present on the vertebral body of the first sacral segments

Answer 2

5

Question 3

What muscles may attached to the first sacral vertebral body

Answer 3

Psoas major

Question 4

What part of the sacral ala is derived from the Costoelement

Answer 4

The anterior two thirds

Question 5

What is the position of the sacral zygapophyses in adults

Answer 5

The zygapophysis lies in the coronal plane for L5 S1

Question 6

What is the orientation of the first sacral superior articular facet

Answer 6

Backward upward medial typically concave

Question 7

What is the name given to the projection on the first sacral superior articular process

Answer 7

Mamillary process

Question 8

From the anterior view the intravertebral disc of the sacrum will be replaced by what feature

Answer 8

Transverse ridges

Question 9

An imaginary line drawn along the dorsal midline of sacrum is identified as the

Answer 9

Median Sacral crest

Question 10

What forms the median sacral crest

Answer 10

Fused spinous processes and there spinous tubercles

Question 11

An imaginary line drawn from the superior articular process of S1 to the sacral Cornu will form what feature

Answer 11

Intermediate Sacral crest

Question 12

What forms the intermediate Sacral crest

Answer 12

Fused articular processes and their facet

Question 13

What features maybe identified along the intermediate sacral crest

Answer 13

The Mammillary process of S1 and the sacral Cornu of S5

Question 14

What is the remnant of the inferior articular process and facet of S5

Answer 14

Sacral Cornu

Question 15

What is the name of the inferior opening of the sacral spinal canal

Answer 15

Sacral hiatus

Question 16

What forms the lateral Sacral crest

Answer 16

The fuse transverse processes and the transverse tubercles from S1 to S5

Question 17

What is the sacral tuberousity

Answer 17

The enlarged transverse tubercle of S2

Question 18

What is the name of the joint formed by the sacral tuberosity

Answer 18

The accessory sacroiliac joint

Question 19

What muscle is said to attach to the dorsal surface of sacrum

Answer 19

Iliacus

Question 20

What feature is identified on the lateral surface of S1-S3

Answer 20

Auricular surface

Question 21

What classification of joint is formed by the auricular surface of sacrum

Answer 21

Synovial plane diarthrosis arthrodia

Question 22

What feature does the anterior surface of the superior epiphyseal rim of S1 form

Answer 22

The sacral promontory

Question 23

What ligament is attached to the Sacral hiatus

Answer 23

The superficial posterior sacrococcygeal ligament

Question 24

What is the homolog for the ligamentum Flavum at S5

Answer 24

Superficial posterior Sacrococcygeal ligament

Question 25

What forms the inferior boundary for the spinal canal

Answer 25

The union of the superficial posterior and Deep posterior Sacrococcygeal ligaments

Question 26

What ligament is formed by the union of the superficial posterior sacrococcygeal and the deep posterior sacrococcygeal ligaments at Co1

Answer 26

The posterior sacrococcygeal ligament

Question 27

What ligament is a homolog of the intertransverse ligament at S5

Answer 27

Lateral sacrococcygeal ligament

Question 28

What ligament divides the sciatic foramen into the greater and lesser sciatic foramina

Answer 28

Sacro spinous ligament

Question 29

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

Answer 29

Sacrotuberous ligament

Question 30

Which ligament represents a thickening of the fibrous capsule of the sacroiliac joint

Answer 30

Anterior sacral iliac ligament

Question 31

Which ligament is the strongest of the sacroiliac ligaments in is penetrated by the dorsal Rami of the sacral spinal nerves

Answer 31

Interosseus sacroiliac ligaments

Question 32

What is the homolog for the superior articular process and facet of co1

Answer 32

Coccygeal Cornu

Question 33

What is the homolog for the capsular ligament at S5

Answer 33

Intercornual ligament