Bony Thorax Flashcards

1
Q

Identify and classify the components of the bony thorax

A

The strernum ( breast bone)
And 24 ribs

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2
Q

What are the 5 parts of the sternum?

A

-Manubrium
-Manubrial notch ( jugular notch, sternal notch
-The body
-Xiphoid tip
-sternal angle

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3
Q

How many costal Articular facets are in the manuibrium

A

7 which all have rib attachments

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4
Q

How many ribs have VERTEBRAL articulations

A

All 24 ribs (12 on each side)

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5
Q

How many ribs have sternal articulation

A

The first 7

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6
Q

How are ribs classified

A

Ribs 1-7 are : true ribs because of sternal articulation

Ribs 8-12: false ribs because they don’t articulate with the sternum

Ribs 11-12: floating ribs because they have no anterior articulation

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7
Q

What are the parts of the rib?

A

-The head (articulates with vertebral body

-Neck (constricted portion lateral to head

-Tubercle ( articulates with transverse process; lateral to neck)

-Angle (where rib starts to turn anteriorly)

  • Axillary margin ( the body that Is lateral of rib margin
  • costal groove on the inside for blood vessels and nerves
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8
Q

What is costal cartilage?

A

rib cartilage that is 3-5 inches interior to vertebral end

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9
Q

Define sternal clavicular (SC) joints

A

They are located between the manubrium and the clavicles

Diarthrodial class
Gliding movement

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10
Q

Define sternocostal joints

A

Located between the costocartilage of ribs 1-7 and the sternum

Joint 1
Synarthrodial class
No movement

Joints 2-7
Diarthrodial class
Gliding movement

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11
Q

Define costochondral joints

A

Located between the bony rib and costocartilage

Synarthrodial class
No movement

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12
Q

Define costovertebral joints

A

located between the posterior vertebral bodies and the head of the ribs

Diarthrodial class
Gliding movement

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13
Q

Define costotransverse joints

A

located between the transverse process and tubercle of ribs

Diarthrodial class
Gliding movement

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14
Q

Where is T1 located

A

1.5 inch above the sternal notch

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15
Q

Where is the sternal notch located?

A

Between T2-T3 space

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16
Q

Where is the sternal angle located?

A

Between space T4-T5

17
Q

Where is T7 located

A

3-4 inches below the sternal angle

18
Q

Where is the xiphoid tip located

A

Between T9-T10