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Anatomy of Vertebral Foramen and Intervertebral Disk

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Anatomy of Vertebral Foramen and Intervertebral Disk

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Questions and Answers

What is the shape of the Cervical Intervertebral Discs?

Circular

Moon-shaped (correct)

Saddle-shaped

Triangular

Where is the nucleus of the Cervical Intervertebral Discs contained?

Only by the annulus anteriorly

Only by the uncinate process laterally

Only by the vertebral body posteriorly

Only by the PLL posterolaterally (correct)

What develops in the disc at around 9 years old and becomes clefts?

Fissures that develop into the joint cavity (correct)

Fissures that develop into the PLL

Fissures that develop into the vertebral body

Fissures that develop into the uncinate process

What is the shape of the articular surfaces of the Lower Cervical Interbody joints?

Convex-concave Signup and view all the answers

What type of joint are the Zygapophyseal joints?

Synovial joint Signup and view all the answers

What is the orientation of the Zygapophyseal joints?

Approximately 45 deg from the frontal and horizontal planes Signup and view all the answers

What is the function of the Atlas in the Cervical Region?

To provide more free space for the spinal cord Signup and view all the answers

What is the range of motion for Flexion-Extension in the Atlanto-occipital joint?

10-30 deg Signup and view all the answers

What percentage of the total rotation of the cervical region occurs at the Atlanto-axial joint?

55-58% Signup and view all the answers

What type of motion is characterized by the occipital condyles rolling forward and sliding backward in the Atlanto-occipital joint?

Flexion Signup and view all the answers