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musculoskeletal anatomy > UE Shoulder Girdle > Flashcards

UE Shoulder Girdle Flashcards

1
Q

What is the angle between the scapular plane and frontal plane?

A

30˚

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2
Q

What is the angle between the scapular plane and the clavicle?

A

60˚

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3
Q

What are the borders of the sternoclavicular joint?

A

Head of clavicle to manubrium of sternum

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4
Q

What do the scapulae sit upon at the scapulothoracic joint?

A

Sub-scapularis and serratus anterior

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5
Q

What type of joint is the sternoclavicular joint?

A

Synovial: ball-in-socket

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6
Q

What are the fibrocartilage pads of the sternoclavicular joint called?

A

Sternoclavicular discs

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7
Q

The sternoclavicular discs run from the ____________ to ___________

A

Superior head of the clavicle to the clavicular notch

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8
Q

What are the 3 functions of the sternoclavicular discs?

A

Decrease compressional stress
Increase bony fit
Prevent superior luxation of clavicle

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9
Q

What kind of ligaments are the anterior and posterior sternoclavicular ligaments?

A

Capsular

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10
Q

The anterior and posterior sternoclavicular ligaments run from ________ to ________

A

The head of the clavicles to the manubrium

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11
Q

What is the function of the anterior and posterior sternoclavicular ligaments?

A

Prevent anterior and posterior movement of head of clavicle

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12
Q

The interclavicular ligament is a _______ ligament

A

Capsular

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13
Q

The interclavicular ligament attaches from _______ to _______ it also attaches to________

A

From head of one clavicle to the head of other clavicle, also attaches to manubrium

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14
Q

The interclavicular ligament prevents:

A

Lateral translation

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15
Q

What kind of ligament is the costoclavicular ligament?

A

Extrinsic ligament

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16
Q

The costoclavicular ligament attaches from _________ to ______ and ________

A

From inferior medial clavicle to costal cartilage and first costal bone.

17
Q

What is unique about the costal cartilage?

A

Only hyaline cartilage joint

18
Q

The costoclavicular ligaments prevent:

A

Superior translation of clavicle

19
Q

What kind of joint is the acromioclavicular joint?

A

Planar joint

20
Q

What kind of movement does the acromioclavicular joint allow?

A

Gliding movement

21
Q

What is the function of the acromioclavicular joint?

A

Increase ROM of Scapulae

22
Q

What does damage to the acromioclavicular joint cause?

A

Decrease scapular ROM and Dependance upon movement at Glenohumeral Joint

23
Q

What kind of ligaments are the inferior and superior acromioclavicular ligaments?

A

Capsular

24
Q

The inferior and superior acromioclavicular ligaments prevent:

A

Superior luxation of clavicle

25
Q

What is shoulder separation?

A

Luxation of acromioclavicular joint superiorly

26
Q

The coracoclavicular ligament attaches from ______ to ______

A

Corocoid tuberosity of clavicle to corocoid process of scapula

27
Q

What is the medial part of the coracoclavicular ligament?

A

Conoid

28
Q

What is the lateral part of the coracoclavicular ligament?

A

Trapezoid

29
Q

What does the coracoclavicular ligament prevent?

A

Superior luxation of clavicle

30
Q

What is the motion of the scapula in elevation/depression?

A

Superior/Inferior (frontal plane)

31
Q

What is the motion of the scapula in protraction/retraction?

A

Away/toward spine (transverse plane)

32
Q

What is the axis of rotation in up/downward rotation of the scapula?

A

Medial inferior scapula spine

33
Q

What is the normal maximum ˚ of upward rotation of the scapula?

A

40˚

34
Q

What is the normal maximum ˚ of downward rotation of the scapula?

A

10˚

35
Q

What causes the maximum angles of up/downward rotation to differ?

A

Acromiumclavicular joint

36
Q

DRAW STERNOCLAVICULAR JOINT

A

DRAW STERNOCLAVICULAR JOINT

37
Q

What bony landmark defines the Scapular plane?

A

Supraspinous fossa of scapula

musculoskeletal anatomy (6 decks)

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