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Spinal > Sacrum Region > Flashcards

Sacrum Region Flashcards

1
Q

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

A

Transverse ridges

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2
Q

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

A

The costal element

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3
Q

What forms the median sacral crest?

A

Fused spinous processes and their spinous tubercles

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4
Q

What in knife clasp syndrome?

A

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

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5
Q

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

A

Intermediate sacral crest

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6
Q

What features may be IDed along the intermediate sacral crest?

A

The mammillary process of S1 and the sacral Cornu of S5

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7
Q

What does the sacral Cornu represent?

A

The inferior articular process and facet of S5

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8
Q

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

A

The sacral hiatus

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9
Q

What features may be IDed along the lateral sacral crest?

A

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

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10
Q

What is the sacral tuberosity?

A

The enlarged transverse tubercle of S2

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11
Q

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

A

The accessory sarco-iliac joint

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12
Q

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

A

Iliacus

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13
Q

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

A

Auricular surface

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14
Q

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

A

Synovial plane (diarthrosis arthrodia)

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15
Q

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

A

The sacral promontory

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16
Q

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

A

The anterior sacrococcygeal ligament

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17
Q

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

A

The deep posterior sacrococcygeal ligament

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18
Q

What ligament is attached to the sacral hiatus?

A

The superficial posterior sacrococcygeal ligament

19
Q

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

A

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

20
Q

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

A

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

21
Q

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

A

Deep posterior sacrococcygeal ligament

22
Q

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

A

Anterior sacrococcygeal ligament

23
Q

What is the homolog for the ligamentum flavum at S5?

A

Superficial oysters or sacrococcygeal ligament

24
Q

What forms the inferior boundary for the spinal canal?

A

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

25
Q

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

A

The posterior sacrococcygeal ligaments

26
Q

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

A

Lateral sacrococcygeal ligament

27
Q

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

A

Sacrospinous ligament

28
Q

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

A

Sacrotuberous ligament

29
Q

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

A

Anterior sacro-iliac ligament

30
Q

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

A

Interosseous sacro-iliac ligament

31
Q

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

A

Short posterior sacrococcygeal-iliac ligament

32
Q

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

A

Long posterior sacro-iliac ligament

33
Q

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

A

Sacral Cornu

34
Q

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

A

Coccygeal Cornu

35
Q

What is the homolog for the capsular ligament at S5?

A

Intercornual ligament

36
Q

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

A

The first sacral segment

37
Q

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

A

Psoas major

38
Q

What is the position of the sacral zygapophysis in children?

A

The zygapophysis lies in the coronal plane

39
Q

What is the position o fate sacral zygapophysis in adults?

A

The zygapophysis lies in the coronal plane for L5/S1

40
Q

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

A

Backward, upward, medial (BUM; typically concave

41
Q

What muscles will attach to the sacral mammillary processes?

A

Multifidis

42
Q

What muscles may attach to the median sacral crest?

A

Latissimus dorsi, Iliocostalis lumborum, longissimus thoracis

43
Q

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

A

The lateral sacral crest

Spinal (47 decks)

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