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DPT Anatomy 2 > Shoulder Girdle > Flashcards

Shoulder Girdle Flashcards

1
Q

Name A

A

Supraspinous Fossa

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2
Q

Name B

A

Scapular Notch

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3
Q

Name C

A

Medial Border

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4
Q

Name D

A

Spine of Scapula

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5
Q

Name E

A

Inferior Angle

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6
Q

Name F

A

Infraspinatus Fossa

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7
Q

What is the red triangle?

A

Superior Angle

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8
Q

Describe the shoulder girdle

A

Incomplete bony ring, formed by clavicle and scapula. Joined anteriorly by manubrium of the sternum

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9
Q

What is this joint and what two bones does it articulate?

A

Sternoclavicular (SC) sternum and clavicle

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10
Q

What is this joint and what two bones does it articulate?

A

Acromioclavicular (AC) scapula and clavicle

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11
Q

What is this joint and what two bones does it articulate?

A

Glenohumeral (shoulder) joint, scapula and humerus

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12
Q

What is this joint, articular surfaces and movments?

A

*TypeScapulothoracic joint. Not a true joint (pseudo)
* Articular surfaces Scapulothoracic junction: Anterior surface of scapula, superiolateral surface of posterior thoracic wall
* Movements Elevation/Depression, Protraction/Retraction

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13
Q

What is this bone and what are it’s parts?

A
  • Clavicle
  • Sternal end (medial)
  • shaft
  • Acromial end (lateral)
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14
Q

What is A

A

Impression for costoclavicular ligament

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15
Q

What is B

A

Groove for subclavius muscle

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16
Q

What is C

A

Trapezoid line

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17
Q

What is D

A

Acromial Facet

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18
Q

What is E

A

Body of Clavicle

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19
Q

What is F

A

Sternal Articular notch

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20
Q

What is the function of the clavicle

A
  • Attachment of upper limb to trunk
  • Protection of neurovascular structures supplying upper limb
  • Force transmission to axial skeleton
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21
Q

What are the surfaces of the scapula?

A
  • Anterior: Subscapular Fossa
    * Posterior: Supraspinous fossa, spine, infraspinous fossa
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22
Q

What processes are on the scapular

A
  • Coracoid
  • Acromion
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23
Q

What muscles originate from the scapula
(12)

A
  • Coracobrachialis
  • biceps brachii
  • deltoid,
  • infraspinatus
  • latissimus dorsi
  • omohyoid
  • subscapularis
  • supraspinatus
  • teres major and minor
  • triceps brachii (long head),
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24
Q

What muscles insert on scapula (6)

A
  • Levator scapulae
  • pectoralis minor
  • rhomboids
  • serratus anterior
  • trapezius
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25
Q

What is A
What connects here?

A
  • Coracoid process
  • Pec minor
  • Corcobrachialis
  • Short head of biceps brachii
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26
Q

What is B

A

Acromion

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27
Q

What is C

A

Glenoid Fossa

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28
Q

What is A

A

Greater Tubercle

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29
Q

What is B

A

Crest of Greater Tubercle

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30
Q

What is C

A

Lateral Supracondyler Ridge

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31
Q

What is D

A

Lateral Epicondyle

32
Q

What is E

A

Capitulum

33
Q

What is F

A

Anatomical neck

34
Q

What is G

A

Head

35
Q

What is H

A

Intertubercular sulcus

36
Q

What is I

A

Lesser tubercle

37
Q

What is J

A

Surgical neck

38
Q

What is K

A

Crest of lesser tubercle

39
Q

What is L

A

Medial supracondylar ridge

40
Q

What is M

A

Medial epicondyle

41
Q

What is N

A

Trochlea

42
Q

What is A

A

Greater tubercle

43
Q

What is B

A

Radial Groove

44
Q

What is C

A

Lateral border

45
Q

What is D

A

Posterior Surface

46
Q

What is E

A

Olecranon Fossa

47
Q

What is F

A

Groove for ulnar nerve

48
Q

Name the type and articular surfaces of the Sternoclavicular joint

A
  • Type: Synovial saddle; multiaxial
  • Articular Surfaces: Sternal end of clavicle, clavicular notch of sternum, superior surface of first costal cartilage, intra-articular fibrocartilaginous disc
49
Q

What are the movements and innervation of the sternoclavicular joint?

A
  • Movements: Elevation/Depression, Protraction/Retraction, small axial rotation
  • Innervation Medial supraclavicular nerve, nerve to subclavius
50
Q

What are the ligaments of the sternoclavicular joint?

A
  • Intrinsic: anterior and posterior sternoclavicular ligaments
  • Extrinsic: Interclavicular and costoclavicular ligaments
51
Q

What is A

A

Costoclavicular ligament

52
Q

What is B

A

Anterior sternoclavicular ligament

53
Q

What is C

A

Articular Disc

54
Q

What is D

A

Interclavicular ligament

55
Q

What type, articular surfaces of Acromioclavicular joint?

A
  • Type: Synovial Plane, multiaxial
  • Articular Surfaces: Acrominon of scapula, acromial end of clavicle
56
Q

What is the innervation and movments and ligaments of the acromioclavicular joint?

A
  • Innervation Lateral pectoral nerve, suprascapular nerve
  • Movements Protraction/Retraction, Elevation/Depression, axial rotation
  • Intrinsic Ligaments Superior and inferior acromioclavicular
  • Extrinsic Ligaments Coracoclavicular ligament (with conoid and trapezoid parts)
57
Q

What percentage of people with a type III (hooked) acromion have RTC tears? What is the incidence of type III acromion?

A

70% tears
39% incidence

58
Q

What is A

A

Coracoacromial ligament

59
Q

What is B

A

Acromioclavicular Ligament

60
Q

What is C

A

Trapezoid Ligament

61
Q

What is D

A

Conoid Ligament

62
Q

What type, articular surfaces, innervation and blood supply of the Glenohumeral joint?

A
  • Type Synovial ball and socket, multiaxial
  • Articular Surfaces Glenoid fossa of scapula, head of humerus
63
Q

What is the innervation and blood supply of the Glenohumeral joint

A
  • Innervation Subscapular nerve (joint). Suprascapular nerve, axillary nerve, lateral pectoral nerve (joint capsule)
  • Blood supply Anterior and posterior circumflex humeral, circumflex scapular and suprascapular artereries
64
Q

What is this ligament, what does it connect, and what does it do?

A
  • Superior glenohumeral (SGHL)
  • Connects supraglenoid tubercle of humerus to superior part of glenoid rim
  • Supports rotator interval
  • Prevents inferior translation of humeral head during adduction
65
Q

What is this ligament, what does it connect, and what does it do?

A
  • Middle glenohumeral (MGHL)
  • Deep to subscap muscle
  • Connects inferior to bicipital sulcus of humerus to anterior and inferior part of glenoid rim
  • Stabilizes anterior capsule, limiting external rotation - esp in abduct 45-60 degrees
66
Q

What is this ligament, what does it connect, and what does it do?

A
  • Inferior glenohumeral (IGHL)
  • Connects surgical neck of humerus to glenoid rim
  • Split into anterior and posterior bands, axillary pouch in middle
  • Strongest of 3 GH ligaments
  • Both bands stablize humeral head in greater than 90 abduct
  • Anterior band limits external rotation of arm
  • Posterior limits internal rotation
67
Q

What is the ligament, what are attachments, and function?

A
  • Coracohumeral
  • AttachmentsCoracoid process of scapula to tubercles of humerus and intervening transverse ligament
  • Function Limits inferior translation and excessive external rotation of humerus
68
Q

What is this structure and what is its importance?

A
  • Glenoid Fossa
  • Shallow, pear-shaped pit on superolateral angle of scapula.
  • Less acutely concave than convexity of humeral head - articular surfaces not fully congruent
  • Surface of humeral head is 3-4x larger - only 1/3 of HH is in contact with fossa and labrum
69
Q

What is this structue and its importance?

A
  • Glenoid Labrum
  • Congruency increased by labrum
  • Fibrocartilaginous ring attaches to margins of fossa
  • Deepens fossa slightly, triangular in shape
  • Thicker anteriorly than inferiorly
  • Superiorly connects to long head of biceps
70
Q

What is a SLAP tear?

A
  • Superior labrum anterior to posterior
  • 4 types
  • Type 2 and 4 involve biceps
71
Q

What is A, involvement?

A

Type 1, no

72
Q

What is B, involvement?

A

Type 2, yes - pulling
Most common

73
Q

What is C, involvement?

A

Type 3, no

74
Q

What is D, involvement?

A

Type 4, yes

75
Q

What is the green space?

A

Subacromial bursa

76
Q

What is the yellow space?

A

Subscapular bursa

77
Q

What is this structure

A

Subdeltoid bursa (fused with subacromial bursa)

DPT Anatomy 2 (5 decks)

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