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Boards Chiro Essentials > Spinal Joints > Flashcards

Spinal Joints Flashcards

(59 cards)

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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?

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A

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

25
What muscles act on the zygapophyseal joint?
Paraspinal muscles
26
What is the innervation of the zygapophyseal joint?
medial branches of the dorsal rami
27
What is the joint classification of the sacroiliac joint?
Interlocking planar
28
What bones are involved in the sacroiliac joint?
Auricular surface of sacrumArticular surface of ilium
29
What motion is achieved at the SI joint?
Nutation and counternutation
30
What muscles act on the Si joint?
Mainly erector spinae and psoas major
31
What is the innervation of the SI joint?
Superior gluteal nerves
32
What joint classification is the costovertebral joint?
Planar
33
What bones are involved in the costovertebral joint?
Body of the vertebra and the head of the corresponding rib
34
What is the range of motion at the costovertebral joint?
Upper 6 pump handleLower 6 bucket handle
35
What muscles act on the costovertebral joint?
Intercostals and diaphragm
36
What is the innervation of the costovertebral joint?
Segmental spinal nerve
37
What class of joint is the costotransverse joint?
Planar
38
What bones are involved in the costotransverse joint?
Tubercle of the rib and corresponding transverse process of the corresponding vertebra
39
What is the range of motion of the costotransverse joint?
Upper 6 - RotationLower 6 - Gliding
40
What muscles act on the costotransverse joint?
Intercostals and diaphragm
41
What innervates the costotransverse joint?
Segmental spinal nerves
42
What class of joint in the costochondral joint?
Synchondrosis
43
What Is structures articulate in the costochondral joint?
Distal end of the rib and the articular cartilage
44
What muscles act on the costochondral joint?
Intercostals and diaphragm
45
What innervates the segmental spinal nerve?
Segmental arteries
46
What class of joint is the sternochondral joint?
Synchondrosis for 1st, planar for others
47
What structures articulate in the sternochondral joint?
The sternum and cartilage
48
What range of motion in the sternochondral joint?
Pump handle
49
What muscle act on the sternochondral joint?
Intercostals
50
What innervates the sternochondral joint?
Segmental spinal nerves
51
What joint classification is the manubriosternal joint?
Symphysis
52
What bones are involved in the manubriosternal joint?
Manubrium and sternum
53
What is the range of motion in the manubriosternal joint?
Slight decrease and increase angulation during respiration
54
What muscles act in the manubriosternal joint?
Intercostals
55
What is the innervation of the manubriosternal joint?
Segmental spinal nerves
56
What joint class is the xiphisternal joint?
Symphysis; later becomes synostosis
57
What is the range of motion of the xiphisternal joint?
very little
58
What muscles act on the xiphisternal joint?
Intercostals, diaphragm, and rectus abdominis
59
What innervates the xiphisternal joint?
Segmental spinal nerve

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