Atypical Thoracic: T12 Flashcards

1
Q

How many synovial joints are formed at the vertebral body of T12?

A

2

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2
Q

How many symphysis joints are formed with the vertebral body of T12?

A

2

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3
Q

How many joints are typically formed at the vertebral body of T12?

A

8

10 if costocentral stellate/radiate ligaments

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4
Q

Which muscles are attached to the vertebral body of T12?

A

Psoas Major and Minor

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5
Q

What does the lateral tubercle of T12 represent?

A

Transverse Process

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6
Q

What does the superior tubercle of T12 represent?

A

Mammilary Process of Lumbar Vertebrae

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7
Q

What does the inferior tubercle of T12 represent?

A

Accessory Process of Lumbar Vertebrae

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8
Q

Which is the smallest of the tubercles at the transverse process region of T12?

A

Inferior Tubercle

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9
Q

What joint surface of the typical thoracic transverse process is absent on T12?

A

Transverse costal facet

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10
Q

What ligaments form the costotransverse joint of the 12th Rib?

A

Superior Costotransverse Ligament from T11

Lumbosacral Ligament from L1

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11
Q

Which costotransverse ligaments are attached at T12?

A

None

Capsular, Superior, Inferior, and Lateral Costotransverse Ligaments lack an attachment to T12

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12
Q

What muscles attach to the transverse process of T12?

A
Longissimus Thoracis
Semispinalis Thoracis
Multifidus
Rotator Longus, Brevis
Intertransversarii
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13
Q

Which segment is the last to demonstrate a levator costarum brevis attachment?

A

T11

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14
Q

Which segment is the last to demonstrate a levator costarum longus attachment?

A

T10

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15
Q

What is the orientation of the superior articular facets of T12?

A

Backward, Upward, Lateral (BUL)

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16
Q

What is the orientation of the inferior articular facets of T12?

A

Forward, Downward, Lateral (FoLD)

17
Q

How many synovial joints are typically present at T12?

A

6

18
Q

What muscles attach to the spinous process of T12?

A
Trapezius
Latissimus Dorsi
Serratus Posterior Inferior
Iliocostalis Lumborum
Spinalis Thoracis
Multifidus
Rotator Longus, Brevis
Interspinalis