Lumbar vertebrae Flashcards

1
Q

Which lumbar vertebrae has the largest transverse process?

A

L5.

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2
Q

Why does L5 have the largest transverse process?

A

For the attachment of the iliolumbar ligament.

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3
Q

What movement occur at the lumbar spine?

A
  • Flexion.
  • Extension.
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4
Q

What attaches to the accessory processes? (under the transverse process)

A

Intertransverse ligament.

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5
Q

What attaches to the mamillary process? (on the superior articular process)

A

Part of the multifidus muscle.

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6
Q

Why does the vertebral foramen decrease in size going downwards along the vertebral column?

A
  • The spinal cord gets gradually smaller.
  • Due to neurons leaving at every segment.
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7
Q

Why does the vertebral body increase in size going downwards along the vertebral column?

A

Due to the increase in weight-bearing.

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