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Boards Chiro Essentials > Spinal Joints > Flashcards

Spinal Joints Flashcards

1
Q

What joint class is the atlanto-occipital joint?

A

Condylar

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2
Q

What bones are involved at the atlanto-occipital joint?

A

Condyles of the occiputSuperior articular facet of C1

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3
Q

What is the range of motion at the atlanto-occipital joint?

A

Flexion, extension, minor lateral bend and rotation

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4
Q

What acts on flexion of the atlanto-occipital joint?

A

Longus capitis and rectus anterior

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5
Q

What muscles act in extension of the atlanto-occipital joint?

A

SCM, semispinalis, splenius

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6
Q

What acts in lateral bending of the atlanto-occipital joint?

A

Rectus lateralis, SCM, trapezius

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7
Q

What innervates the atlanto-occipital joint?

A

C1

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8
Q

What class of joint is the median atlanto-dental joint?

A

Pivot/trochoid

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9
Q

What bones are involved at the median atlanto-dental joint?

A

Anterior arch of C1 and Dens of C2

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10
Q

What type of motion(s) occur at the median atlanto-dental joint?

A

Rotation

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11
Q

What muscles act in rotation of the median atlanto-dental joint?

A

SCM, semispinalis capitis against rectus capitis posterior major, obliquus capitis superior and inferior

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12
Q

What is the innervation of the median atlanto-dental joint?

A

C2

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13
Q

What is joint classification of the lateral atlanto-axial joint?

A

Planar

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14
Q

What bones are involved in the lateral atlanto-axial joint?

A

Lateral masses of C1 and the superior articular facets of C2

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15
Q

What motions are possible at the lateral atlanto-axial joint?

A

Rotation and flexion/extension

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16
Q

What muscles act in rotation of the lateral atlanto-axial joint?

A

SCM, SS capitis against rectus capitis posterior major, obliquus capitis superior and inferior

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17
Q

What is the innervation of the lateral atlanto-axial joint?

A

C2

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18
Q

What joint classification is the zygapophyseal joint?

A

Planar

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19
Q

What bones are involved in the zygapophyseal joint?

A

Inferior articular facet of the superior vertebraSuperior articular facet of the inferior vertebra

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20
Q

What is the orientation of the superior facets?

A

Cervicals - posterior, superior, medialThoracic - Posterior, superior, lateralLumbar - Posterior, medialL5 - Posterior

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21
Q

What is the facet orientation in the coronal plane for each region?

A

C - 0 degreesT - 15 degreesL 90 degrees

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22
Q

What is the facet orientation in the sagittal plane for each region?

A

C - 90 degreesT - 75 degrees L - 0 degrees

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23
Q

What is the facet orientation in the horizontal plane for each region?

A

C - 45 degreesT - 60 degreesL - 90 degrees

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24
Q

What are the primary motions of the zygapophyseal joint?

A

C - flexion, extension, and rotationT - flexionL - rotation

25
Q

What muscles act on the zygapophyseal joint?

A

Paraspinal muscles

26
Q

What is the innervation of the zygapophyseal joint?

A

medial branches of the dorsal rami

27
Q

What is the joint classification of the sacroiliac joint?

A

Interlocking planar

28
Q

What bones are involved in the sacroiliac joint?

A

Auricular surface of sacrumArticular surface of ilium

29
Q

What motion is achieved at the SI joint?

A

Nutation and counternutation

30
Q

What muscles act on the Si joint?

A

Mainly erector spinae and psoas major

31
Q

What is the innervation of the SI joint?

A

Superior gluteal nerves

32
Q

What joint classification is the costovertebral joint?

33
Q

What bones are involved in the costovertebral joint?

A

Body of the vertebra and the head of the corresponding rib

34
Q

What is the range of motion at the costovertebral joint?

A

Upper 6 pump handleLower 6 bucket handle

35
Q

What muscles act on the costovertebral joint?

A

Intercostals and diaphragm

36
Q

What is the innervation of the costovertebral joint?

A

Segmental spinal nerve

37
Q

What class of joint is the costotransverse joint?

38
Q

What bones are involved in the costotransverse joint?

A

Tubercle of the rib and corresponding transverse process of the corresponding vertebra

39
Q

What is the range of motion of the costotransverse joint?

A

Upper 6 - RotationLower 6 - Gliding

40
Q

What muscles act on the costotransverse joint?

A

Intercostals and diaphragm

41
Q

What innervates the costotransverse joint?

A

Segmental spinal nerves

42
Q

What class of joint in the costochondral joint?

A

Synchondrosis

43
Q

What Is structures articulate in the costochondral joint?

A

Distal end of the rib and the articular cartilage

44
Q

What muscles act on the costochondral joint?

A

Intercostals and diaphragm

45
Q

What innervates the segmental spinal nerve?

A

Segmental arteries

46
Q

What class of joint is the sternochondral joint?

A

Synchondrosis for 1st, planar for others

47
Q

What structures articulate in the sternochondral joint?

A

The sternum and cartilage

48
Q

What range of motion in the sternochondral joint?

A

Pump handle

49
Q

What muscle act on the sternochondral joint?

A

Intercostals

50
Q

What innervates the sternochondral joint?

A

Segmental spinal nerves

51
Q

What joint classification is the manubriosternal joint?

52
Q

What bones are involved in the manubriosternal joint?

A

Manubrium and sternum

53
Q

What is the range of motion in the manubriosternal joint?

A

Slight decrease and increase angulation during respiration

54
Q

What muscles act in the manubriosternal joint?

A

Intercostals

55
Q

What is the innervation of the manubriosternal joint?

A

Segmental spinal nerves

56
Q

What joint class is the xiphisternal joint?

A

Symphysis; later becomes synostosis

57
Q

What is the range of motion of the xiphisternal joint?

A

very little

58
Q

What muscles act on the xiphisternal joint?

A

Intercostals, diaphragm, and rectus abdominis

59
Q

What innervates the xiphisternal joint?

A

Segmental spinal nerve

Boards Chiro Essentials (20 decks)

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