Sacrum Region

Question 1

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

Answer 1

Transverse ridges

Question 2

What part of the sacral all continues along the ventral surface is sacrum to about S4?

Answer 2

The costal element

Question 3

What forms the median sacral crest?

Answer 3

Fused spinous processes and their spinous tubercles

Question 4

What in knife clasp syndrome?

Answer 4

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

Question 5

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

Answer 5

Intermediate sacral crest

Question 6

What features may be IDed along the intermediate sacral crest?

Answer 6

The mammillary process of S1 and the sacral Cornu of S5

Question 7

What does the sacral Cornu represent?

Answer 7

The inferior articular process and facet of S5

Question 8

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

Answer 8

The sacral hiatus

Question 9

What features may be IDed along the lateral sacral crest?

Answer 9

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

Question 10

What is the sacral tuberosity?

Answer 10

The enlarged transverse tubercle of S2

Question 11

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

Answer 11

The accessory sarco-iliac joint

Question 12

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

Answer 12

Iliacus

Question 13

What feature is IDed on the lateral surface of S1-S3?

Answer 13

Auricular surface

Question 14

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

Answer 14

Synovial plane (diarthrosis arthrodia)

Question 15

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

Answer 15

The sacral promontory

Question 16

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

Answer 16

The anterior sacrococcygeal ligament

Question 17

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

Answer 17

The deep posterior sacrococcygeal ligament

Question 18

What ligament is attached to the sacral hiatus?

Answer 18

The superficial posterior sacrococcygeal ligament

Question 19

What forms the posterior pound army for the 5th sacral spinal nerve intervertebral Foramen?

Answer 19

Sacral Cornu, coccygeal Cornu, superficial posterior sacrococcygeal ligament and intercornual ligament

Question 20

What forms the anterior boundary for the 5th spinal nerve intervertebral Forman?

Answer 20

Vertebral body S5, vertebral body Co1, deep posterior sacrococcygeal ligament and intervertebral disc

Question 21

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

Answer 21

Deep posterior sacrococcygeal ligament

Question 22

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

Answer 22

Anterior sacrococcygeal ligament

Question 23

What is the homolog for the ligamentum flavum at S5?

Answer 23

Superficial oysters or sacrococcygeal ligament

Question 24

What forms the inferior boundary for the spinal canal?

Answer 24

The Union of the superficial posterior and deep so terror sacrococcygeal ligaments

Question 25

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

Answer 25

The posterior sacrococcygeal ligaments

Question 26

What ligament is a homolog of the intertransverse ligament at S5?

Answer 26

Lateral sacrococcygeal ligament

Question 27

What ligament divides the sciatic Foramen into the greater and lesser sciatic foramina?

Answer 27

Sacrospinous ligament

Question 28

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

Answer 28

Sacrotuberous ligament

Question 29

Which ligament represents a thickening of the fibrous capsule of the sacro-iliac joint?

Answer 29

Anterior sacro-iliac ligament

Question 30

Which ligament is the strongest of the sacro-iliac ligaments and is penetrated by dorsal rami so the sacral spinal nerves?

Answer 30

Interosseous sacro-iliac ligament

Question 31

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

Answer 31

Short posterior sacrococcygeal-iliac ligament

Question 32

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

Answer 32

Long posterior sacro-iliac ligament

Question 33

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

Answer 33

Sacral Cornu

Question 34

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

Answer 34

Coccygeal Cornu

Question 35

What is the homolog for the capsular ligament at S5?

Answer 35

Intercornual ligament

Question 36

Which sacral segment is described as wedge-shaped from a lateral view?

Answer 36

The first sacral segment

Question 37

What muscle(s) may attache to the first sacral vertebral body?

Answer 37

Psoas major

Question 38

What is the position of the sacral zygapophysis in children?

Answer 38

The zygapophysis lies in the coronal plane

Question 39

What is the position o fate sacral zygapophysis in adults?

Answer 39

The zygapophysis lies in the coronal plane for L5/S1

Question 40

What is the orientation of the first sacral superior articular facet?

Answer 40

Backward, upward, medial (BUM; typically concave

Question 41

What muscles will attach to the sacral mammillary processes?

Answer 41

Multifidis

Question 42

What muscles may attach to the median sacral crest?

Answer 42

Latissimus dorsi, Iliocostalis lumborum, longissimus thoracis

Question 43

An imaginary line drawn from the TVP of S1 to the inferior lateral sacral angel will form what feature?

Answer 43

The lateral sacral crest