Posterior longitudinal ligament Flashcards

1
Q

Newer research suggests that what regional variation in the posterior longidudinal

A

Prominent in the cervicals,
occasional in the thoracics
rare in the lumbars

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2
Q

What is the relationship of the posterior longitudinal ligament to the vertebral foramen

A

it forms the anterior boundary of the spinal canal

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3
Q

What is the innermost layer of the posterior longitudinal ligament called

A

the perivertebral ligament

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4
Q

What is the function of the posterior longitudinal ligament

A

it brakes of limits flexion of the vertebral column

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5
Q

Where is ossification of the posterior longitudinal ligamet most commonly identified

A

The cervical spine with 80% incidence

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6
Q

What is the clinical sign of posterior longitudinal ligament ossification in the cervical spine

A

a loss of hand and finger dexterity

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7
Q

What is the clinical sign of posterior longitudinal ligament ossification in the lumbar spine

A

faltering gait

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8
Q

What is the gender, age, and ethnic bias associated with ossification of the posterior longitudinal ligament

A

it is greater in males over 50

higher incidence in japanese

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