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OMM > Thoracic inlet > Flashcards

Thoracic inlet Flashcards

1
Q

What are the borders of the thoracic inlet?

A

First ribs bilaterally
First thoracic vertebrae
The superior end of the manubrium

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2
Q

What is the operculum?

A

The (lid) manubrium

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3
Q

What is the “functional” thoracic inlet?

A

First five thoracic vertebrae
First five ribs and their costocartilages
The manubrium
The sternum

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4
Q

The ring of the thoracic inlet is formed by what?

A

T1, the first rib, and the manubrium

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5
Q

Why is the ring of the thoracic inlet act as a unit?

A

Because it has a single costovertebral and costotransverse articulation

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6
Q

What type of joints are the sternocostal joints of ribs 2-12?

A

Plane gliding/synovial except the first rib

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7
Q

The costal cartilage of the first rib is of what type?

A

Typical synchondrosis

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8
Q

The thoracic cavity is lined by what?

A

The endothoracic fascia

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9
Q

How does the endothoracic fascia connected to the rest of the body?

A

Through the aortic hiatus

Also connected to the cervical fascia

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10
Q

What is the eponym of the endothoracic fascia?

A

Sibson’s fascia

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11
Q

What is the upper diaphragm in OMM?

A

Endothoracic fasica

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12
Q

Where does the brachial plexus emerge through? Where does it go?

A

Anterior and middle scalene, goes underneath the clavicle

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13
Q

What is responsible for thoracic outlet syndrome?

A

Impingement of the brachial plexus between the clavicle and the first rib

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14
Q

Why is the thoracic inlet important?

A

Site of lymphatic drainage of the entire body

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15
Q

What are the nerves that course through the inlet? (4)

A

Phrenic
Vagus
Recurrent laryngeal
Symp trunks

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16
Q

What are the 3 arteries that go through the thoracic inlet?

A

Carotids
Brachiocephalic trunk
Subclavian

17
Q

What are the 3 veins that drain through the thoracic inlet?

A

IJV
Brachiocephalic
Subclavian

18
Q

What are the two structures that we are treating (pushing on) when treating the thoracic inlet?

A

T1 and the first rib

19
Q

To fully treat the thoracic inlet, what vertebrae and ribs must be treated?

A

First five

20
Q

When the thoracic inlet is acting as a unit, rotation and sidebending of the thoracic vertebrae related to each other how?

A

Same side

21
Q

What should be done before addressing the inlet?

A

Relax the musculature around it

22
Q

Where should the patient have their arms and hands when addressing the inlet?

A

Fingers crossed over the abdomen

23
Q

What happens when you place your hand on top of their shoulders, and push their shoulder down toward their feet?

A

Draws the trap and levator scap away from the inlet, and reduces the chances of misdiagnoses

24
Q

What are the two components of the thoracic unit?

A

Sidebending and rotation

25
Q

When checking sidebending, we are evaluating what structure?

A

Rib 1

26
Q

To diagnose rotation of the T1 vertebra, what do we do?

A

Pads of fingers on the clavicle and compress

27
Q

Treatment of the thoracic inlet should start with what?

A

Balancing of the upper thoracic cavity (the first five thoracic vertebrae and five ribs)

28
Q

Selection of treatment of a pt is based on what?

A

Pts medical history

29
Q

ME and HV/LA maby be indicated when?

A

Whenever there is a lack of acuteness, resistive myofascial tension, and tissue hypersensitivity

30
Q

When dragging the fascia of the sternum, which way should it drag?

A

easier to drag into the concavity (harder to drag towards the convexity)

31
Q

Treatment of the sidebending component of the thoracic inlet with muscles energy primarily uses which muscles?

A

Scalenes

32
Q

Treatment of the rotational component of the thoracic inlet with muscles energy primarily uses which muscles?

A

Rotatores

33
Q

What happens to the upper thoracic cage after treatment of the inlet?

A

Increased expansion in the anterosuperior direction

34
Q

What happens to the breathing pattern after treatment of the thoracic inlet?

A

rate decrease, depth increases

35
Q

What happens to external respiration after treatment of the thoracic inlet?

A

External respiration becomes more abdominal, and less costal

36
Q

What happens to the angle of louis after treatment?

A

Becomes more prominent

37
Q

True or false: After treatment of the thoracic inlet, the arm length discrepancies and pelvis asymmetries may disappear

A

True (?)

OMM (30 decks)

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