Lumbar Spine and Sacrum Focused Flashcards Preview

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Flashcards in Lumbar Spine and Sacrum Focused Deck (13)
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1
Q

What is the accessory process?

A

A small prominence of bone at the base of each transverse process.

2
Q

What are the angulations of the pedicles in relation to the frontal and axial planes in the lumbar spine?

A

90° to the axial plane and 45° to the frontal plane

3
Q

What is the pars interarticularis?

A

The junction of the lamina to the pedicle.

4
Q

Which ligament links each lamina?

A

The ligamentum flavum

5
Q

Descrive the anatomical shape of the lumbar lamina.

A

Triangular in shape, wide, flat structures that slope downwards posteriorly to join in the midline to form the spinous process which points directly backwards.

6
Q

What is the conus medullar is, and where is it found?

A

The inferior region of the spinal cord usually found between T12 and L1.

7
Q

How many degrees of angulation are found at the lumber-sacral junction?

A

30° by Deseze

8
Q

What is the sacra-iliac joint?

A

The joint formed between the medial surface of the ilium and the lateral aspect of the upper sacral vertebrae.

9
Q

Where does the anterior longitudinal ligament run from at its superior border and extend to at its inferior border?

A

From the bass occiput to the sacrum.

10
Q

Where does the interspinous ligament attach and connect?

A

The spinous processes

11
Q

Where does the supraspinous ligament attach and connect?

A

The tips of the spinous processes

12
Q

How are the lumbar facet joints aligned and how does this limit movement?

A

?

13
Q

What is the sacral promontory?

A

The projecting anterior edge of the first sacral vertebra. It is used as a landmark for sacral screw insertion.