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Flashcards in Sacrum Region Deck (43):
1

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

Transverse ridges

2

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

The costal element

3

What forms the median sacral crest?

Fused spinous processes and their spinous tubercles

4

What in knife clasp syndrome?

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

5

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

Intermediate sacral crest

6

What features may be IDed along the intermediate sacral crest?

The mammillary process of S1 and the sacral Cornu of S5

7

What does the sacral Cornu represent?

The inferior articular process and facet of S5

8

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

The sacral hiatus

9

What features may be IDed along the lateral sacral crest?

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

10

What is the sacral tuberosity?

The enlarged transverse tubercle of S2

11

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

The accessory sarco-iliac joint

12

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

Iliacus

13

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

Auricular surface

14

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

Synovial plane (diarthrosis arthrodia)

15

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

The sacral promontory

16

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

The anterior sacrococcygeal ligament

17

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

The deep posterior sacrococcygeal ligament

18

What ligament is attached to the sacral hiatus?

The superficial posterior sacrococcygeal ligament

19

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

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

20

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

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

21

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

Deep posterior sacrococcygeal ligament

22

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

Anterior sacrococcygeal ligament

23

What is the homolog for the ligamentum flavum at S5?

Superficial oysters or sacrococcygeal ligament

24

What forms the inferior boundary for the spinal canal?

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

25

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

The posterior sacrococcygeal ligaments

26

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

Lateral sacrococcygeal ligament

27

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

Sacrospinous ligament

28

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

Sacrotuberous ligament

29

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

Anterior sacro-iliac ligament

30

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

Interosseous sacro-iliac ligament

31

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

Short posterior sacrococcygeal-iliac ligament

32

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

Long posterior sacro-iliac ligament

33

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

Sacral Cornu

34

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

Coccygeal Cornu

35

What is the homolog for the capsular ligament at S5?

Intercornual ligament

36

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

The first sacral segment

37

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

Psoas major

38

What is the position of the sacral zygapophysis in children?

The zygapophysis lies in the coronal plane

39

What is the position o fate sacral zygapophysis in adults?

The zygapophysis lies in the coronal plane for L5/S1

40

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

Backward, upward, medial (BUM; typically concave

41

What muscles will attach to the sacral mammillary processes?

Multifidis

42

What muscles may attach to the median sacral crest?

Latissimus dorsi, Iliocostalis lumborum, longissimus thoracis

43

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

The lateral sacral crest