T Spine Flashcards

1
Q

T1 and T12 are

A

transitional

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2
Q

T2-T11 are

A

typical

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3
Q

Bodies have ______ for articulation with ribs

A

demifacets

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4
Q

Spinous proceses slope

A

inferiorly

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5
Q

transverse processes thickened at

A

ends

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6
Q

Costovertebral joints are

A

very stable

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7
Q

costovertebral joint ligaments help to

A

prevent rib head subluxation/dislocation

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8
Q

Superior facets face mostly

A

posterior and slightly superior

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9
Q

Inferior facets face mostly

A

anterior and slightly inferior

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10
Q

What type of osteokinematic motion will the orientation of these facets favor?

A

lateral flexion

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11
Q

T spine has less mobility than

A

C or L spine

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12
Q

Upper t spine has
Minimal _____
Some _______

A

flexion/extension
Rotation and lateral flexion

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13
Q

Lower T spine
More _______
Slightly more ______
Less ______

A

flexion/extension
lateral flexion
rotation

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14
Q

T1,11, and 12 articulate with

A

1 vertebral body

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15
Q

T2-10 articulate with

A

superior and inferior vb

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16
Q

Ribs rotate and glide on

A

vertebral body

17
Q

Costotransverse Joints
Ribs articulate with

A

transverse processes T1-10

18
Q

Costotransverse Joints
Rotation and gliding of rib on

A

transverse process

19
Q

what limits motion in the t spine

A

bony approximation of rib cage

20
Q

Flexion ROM
Extension ROM

A

Flex: 30-40
Extension: 15-20

21
Q

Lateral flexion ROM
Rotation ROM

A

25-30
25-35

22
Q

Limitation of rib motion will limit

A

T/S motion

23
Q

Rib cage articulating with ______ posteriorly and ______ anteriorly

A

T spine posteriorly
Manubriosternum anteriorly

24
Q

Segments are interdependent and

A

motion restricted

25
Left rotation, rib distortion ipsilaterally Anteriorly: Posteriorly:
more convex more concave
26
Left rotation, rib distortion Contralaterally Anterior: Posterior:
More concave more convex
27
Inspiration Intrathoracic volume increases by contraction of muscles attached to
ribs and sternum
28
Inspiration Expansion of thorax decreases
interpleural pressure
29
Inspiration suction created that
expands the lungs
30
Expiration Passive process – does not depend on
muscle action
31
Expiration Decreased volume increases
pressure, forcing air out
32
Joints Involved in Breathing
- Manubriosternal joint Sternocostal joints Interchondral joints Costovertebral joints: costocorporal and costotransverse Thoracic intervertebral joints
33
Muscles of breathing Quiet inspiration
diaphragm intercostals scalenes
34
scalenes active with
COPD will pull upper ribs superiorly
35
Muscles of Breathing Forced Inspiration
Serratus posterior superior and inferior Levator costarum Sternocleidomastoid Latissimus dorsi Iliocostalis thoracis and cervicis Pectoralis minor Pectoralis major (sternocostal head) Quadratus lumborum
36
Muscles of Breathing Forced Expiration
Abs (primary) Transversus thoracis Intercostales interni (small)