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Axial Anatomy > Upper Cervical Spine Ligaments > Flashcards

Upper Cervical Spine Ligaments Flashcards

1
Q

Name the 8 upper ligaments of the Cx

A

Transverse lig (transverse atlantal lig)
Cruciform lig
Alar lig x2
Apical lig
Tectorial membrane
Ligamentum nuchae
Posterior atlantoaxial membrane
Anterior atlantoaxial membrane

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2
Q

What are the attachments of the transverse ligament

A

Runs transversely between the lateral masses of the atlas attaching to the tubercles on their medial side

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3
Q

Function of the transverse ligament

A

Prevent anterior displacement of the atlas on the axis

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4
Q

Name the 2 bands of the cruciform ligament

A

Superior longitudinal band
Inferior longitudinal band

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5
Q

Name the proximal & distal attachments of the superior longitudinal band

A

Proximal
Basilar part of the occipital bone

Distal
Superior margin of the transverse ligament

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6
Q

Name the proximal & distal attachments of the inferior longitudinal band

A

Proximal
Inferior margin of the transverse ligament

Distal
Posterior part of the body of the axis

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7
Q

Function of the cruciform ligament

A

Stability of the region by limiting flexion

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8
Q

Name the proximal & distal attachments of the alar ligaments

A

Proximal
Medial aspects of the occiput

Distal
Apex of the dens (either side)

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9
Q

Function of the alar ligaments

A

Limits flexion, rotation & side flexion
Prevents distraction of C1 on C2

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10
Q

Proximal & distal attachments of the apical ligament

A

Proximal
Anterior edge of the foramen magnum

Distal
Apex of the dens (centrally)

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11
Q

Function of the apical ligament

A

Unknown

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12
Q

Proximal and distal attachments of the tectorial membrane

A

Proximal
Basilar part of the occipital bone

Distal
Posterior surface of the body of C2

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13
Q

Function of the tectorial membrane

A

Limits flexion

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14
Q

Proximal & distal attachments of the ligamentum nuchae

A

Proximal
External occipital protuberance to the foramen magnum

Distal
Spinous process of vertebra C7

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15
Q

Function of the ligamentum nuchae

A

Supports the head
Resists flexion
Provides attachment for adjacent muscles

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16
Q

What is ligamentum nuchae a continuation of

A

Supraspinous ligament

17
Q

What does the posterior atlanto-axial membrane connect

A

The lamina of C1-C2

18
Q

What is the posterior atlanto-axial membrane a continuation of

A

Ligamentum flavum

19
Q

What does the anterior atlanto-occipital membrane attach

A

Attaches anterior aspect dens to anterior aspect of the atlas

Continuous superiorly as the anterior atlanto-occipital membrane

Axial Anatomy (12 decks)

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