Occipito-Axial Joint Flashcards Preview

Spinal Exam 3 > Occipito-Axial Joint > Flashcards

Flashcards in Occipito-Axial Joint Deck (7)
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1
Q

What ligaments are present at the occipito-axial joint?

A

the apical ligament of the dens/apicodental ligament, alar ligament and membrana tectoria/tectorial membrane

2
Q

What is the embryonic derivative of the apical ligament of the dens or the apicodental ligament?

A

notochord

3
Q

What are the attachment sites for the superifical layer of the membrana tectoria or tectorial membrane?

A

the posterior part of the inferior epiphyseal rim and vertebral body of C2 or to the capsular ligament of the atlanto-occipital joint of the cranial dura of the posterior cranial fossa

4
Q

What are the attachment sites for the deep layer of the membrana tectoria or tectorial membrane?

A

the posteior part of the inferior epiphyseal rim and vertebral body of C2 to the periosteum behind the cruciate ligament attachment site on the anterior rim of the foramen magnum

5
Q

For the cervical spine below C2, what is the range of flexion-extension?

A

about 90 degrees or about 18 degrees per couple

6
Q

For the cervical spine below C2, what is the range of one side lateral bending?

A

about 50 degrees or about 10 degrees per couple

7
Q

For the cervical spine below C2, what i the range of one side axial rotation?

A

about 33 degrees or about six degrees per couple

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