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Clavicle/Scapula/AC joint RAD 1 Info Flashcards

1
Q

The clavicle is classified as a __________

A

Long bone

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2
Q

The clavicle has a _______ & two ______

A
  • Body
  • Extremities
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3
Q

What are the two extremities of the clavicle?

A
  • Acromial
  • Sternal
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4
Q

What extremity of the clavicle is located on the lateral aspect?

A

Acromial extremity

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5
Q

What extremity of the clavicle is located on the medial aspect?

A

Sternal extermity

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6
Q

What does the acromial extremity articulate with?

A

The acromion process of the scapula

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7
Q

What does the sternal extremity articulate with?

A

The sternum and 1st costal cartilage

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8
Q

Where does the clavicle lie?

A

Above the 1st rib

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9
Q

What part of the shoulder girdle does the clavicle form?

A

Anterior

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10
Q

What is part of the clavicle from lateral to medial?

A
  • Acromial extremity
  • Body
  • Sternal extremity
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11
Q

The clavicle is ____ curved for _____

A
  • Doubly
  • Strength
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12
Q

What does the clavicle serve as_______

A

a fulcrum for arm movements

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13
Q

What age does the clavicle ossify?

A

21-25 y/o

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14
Q

What does the fulcrum of the clavicle do?

A

Keeps the arm away from thorax allowing maximum range of motion

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15
Q

How many surfaces does the scapula have? What are their names?

A
  • 2
  • Anterior/Costal & Posterior/Dorsal
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16
Q

How many borders does the scapula have? and what are the names?

A
  • 3
  • Superior, Medial/Vertebral, & Lateral/Axillary
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17
Q

How many angles does the scapula have? What are the names?

A
  • 3
  • Superior, inferior, & lateral
18
Q

What does the anterior/costal surface of the scapula contain?

A

The subscapular fossa

19
Q

The anterior/costal surface of the scapula is slightly ______

20
Q

The posterior/ dorsal surface of the scapula is divided into ____ portions of the _____

A
  • 2
  • Spinous process
21
Q

Whats the area above the spinous process of the posterior/dorsal scapula called?

A

Supraspinous fossa

22
Q

Whats the area below the spinous process of the posterior/dorsal scapula called?

A

Infraspinous process

23
Q

Where does the superior border of the scapula extend from?

A

Superior angle to coracoid process

24
Q

Where does the medial/vertebral border of the scapula extend from?

A

Superior to inferior angle

25
Where does the lateral/axillary border of the scapula extend from?
Glenoid cavity to inferior angle
26
What is the superior angle of the scapula the junction of?
Superior and medial borders
27
What is the inferior angle of the scapula the junction of?
Medial and lateral borders
28
Where does the lateral angle of the scapula end?
in the glenoid cavity
29
What angle is the thickest part of the scapular body?
Lateral angle
30
What is the scapula classified as?
A flat bone
31
What does the glenoid cavity articulate with?
The head of the humerus to form the shoulder joint
32
What is seen on the costal surface of the scapula?
- Lateral border - Medial border - Superior border - Scapular body - Subscapular fossa - Superior angle - Scapular neck - Glenoid cavity - Scapular notch - Coracoid process - Acromion
33
The glenoid cavity is a _____, ______ depression
- Shallow - Oval
34
What is the scapular neck?
A constricted are around the glenoid caivty
35
Where does the coracoid process extend from?
The scapular notch to the superior portion of the scapular neck
36
The coracoid process can be palpated _________ to the AC joint
Distally and slightly medial
37
What is seen on the dorsal surface of the scapula?
- Medial border - Lateral border - Superior border - Inferior angle - Superior angle - lateral angle - Infraspinous foss - supraspinous fossa - crest of spine - scapular notch - coracoid process - Acromion - Glenoid cavity - Scapular neck
38
What is seen on the lateral aspect of the scapula?
- Acromion - Superior angle - Inferior angle - Spine - Coracoid process - Glenoid surface - Costal/Anterior surface - Dorsal/posterior surface - Lateral border
39
What does the acromioclavicular joint articulate?
The acromion process of the scapula and the acromial (lateral) extremity of the clavicle
40
What is the Acromiclavicular joint classified as?
Synovial, gliding joint
41
What movement does the acromialclavicular joint permit?
Gliding and rotary movements
41
What is the acromioclavicular joint prone to?
Downward dislocation under the clavicle

RAD (32 decks)

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