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Sectional Anatomy > Clavicle/Scapula/AC joint RAD 1 Info > Flashcards

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 ______

A

Concave

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
Q

Where does the lateral/axillary border of the scapula extend from?

A

Glenoid cavity to inferior angle

26
Q

What is the superior angle of the scapula the junction of?

A

Superior and medial borders

27
Q

What is the inferior angle of the scapula the junction of?

A

Medial and lateral borders

28
Q

Where does the lateral angle of the scapula end?

A

in the glenoid cavity

29
Q

What angle is the thickest part of the scapular body?

A

Lateral angle

30
Q

What is the scapula classified as?

A

A flat bone

31
Q

What does the glenoid cavity articulate with?

A

The head of the humerus to form the shoulder joint

32
Q

What is seen on the costal surface of the scapula?

A
  • Lateral border
  • Medial border
  • Superior border
  • Scapular body
  • Subscapular fossa
  • Superior angle
  • Scapular neck
  • Glenoid cavity
  • Scapular notch
  • Coracoid process
  • Acromion
33
Q

The glenoid cavity is a _____, ______ depression

A
  • Shallow
  • Oval
34
Q

What is the scapular neck?

A

A constricted are around the glenoid caivty

35
Q

Where does the coracoid process extend from?

A

The scapular notch to the superior portion of the scapular neck

36
Q

The coracoid process can be palpated _________ to the AC joint

A

Distally and slightly medial

37
Q

What is seen on the dorsal surface of the scapula?

A
  • 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
Q

What is seen on the lateral aspect of the scapula?

A
  • Acromion
  • Superior angle
  • Inferior angle
  • Spine
  • Coracoid process
  • Glenoid surface
  • Costal/Anterior surface
  • Dorsal/posterior surface
  • Lateral border
39
Q

What does the acromioclavicular joint articulate?

A

The acromion process of the scapula and the acromial (lateral) extremity of the clavicle

40
Q

What is the Acromiclavicular joint classified as?

A

Synovial, gliding joint

41
Q

What movement does the acromialclavicular joint permit?

A

Gliding and rotary movements

41
Q

What is the acromioclavicular joint prone to?

A

Downward dislocation under the clavicle

Sectional Anatomy (19 decks)

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