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Block H - Movement > Anatomy -- Upper Limb 1 > Flashcards

Anatomy -- Upper Limb 1 Flashcards

1
Q

Name all 6 bony landmarks of the shoulder (anterior view)

A
  • Greater tubercle of humerus
  • Coracoid process of scapula
  • Clavicle
  • Scapula
  • Less tubercule of humerus
  • Humerus
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2
Q

Name 3 bony landmarks on the surface of the shoulder from a posterior view

A
  • Spinous process of scapula
  • Acromion of scapula
  • Inferior angle of scapula
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3
Q

Joint by which the upper limb articulates with the axial skeleton

A

Sternoclavicular joint

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4
Q

Function of costoclavicular ligament

A

Prevent upward and lateral displacement of clavicle

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5
Q

3 functions of sternoclavicular joint

A
  • Allow protraction and retraction of shoulder girdle (scapula/clavicle complex)
  • Elevation/depression of shoulder girdle
  • Abduction/adduction of the shoulder girdle
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6
Q

Define adduction of the shoulder girdle

A

Lateral rotation of scapula

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7
Q

Joint involved in initial 30 degrees of abduction of arm

A

Glenohumeral joint

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8
Q

Joint involved in abduction of more than 30 degrees of the arm

A

Lateral rotation of scapula at sternoclavicular joint

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9
Q

4 types of movements that the humerus can do on the shoulder joint independently of the scapula and clavicle

A
  • Abduction and adduction
  • Flexion and Extension
  • Medial (internal) rotation and Lateral (exernal) rotation
  • Arm circles
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10
Q

2 sets of ligaments reinforcing the stability of the shoulder girdle

A
  • Coracoacromial ligament
  • Coracoclavicular ligament
    • Conoid ligament
    • Trapezoid ligament
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11
Q

Function of the coracoacromial ligament

A

Prevent superior dislocation of humerus

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12
Q

Function of the coracoclavicular ligament

A

Prevent rotation of scapula

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13
Q

Torn ligaments involved in a separated shoulder

A
  • Acromioclavicular ligament
  • Conoid ligament
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14
Q

Describe the reinforcement and strengthening of the glenohumeral (shoulder) joint

A
  • Glenoid labrum (cartilage) deepens the glenoid cavity
  • Tendon of long head of bicep muscle attaches onto scapula over the glenohumeral joint
  • Glenohumeral capsule surrounds all of these
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15
Q

Purpose of subacromial bursa

A

Synovial membrane forming a bursa with synovial fluid around the glenohumeral capsule to prevent friction with surrounding bones and ligaments

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16
Q

Muscles attaching to the lesser tubercle of the humerus to externally (=laterally) rotate the arm

A
  • Infra-spinatus
  • Teres minor
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17
Q

4 muscles comprising the rotator cuff

A
  • Subscapularis
  • Infra-spinatus
  • Teres minor
  • Supra-spinatus
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18
Q

Which tendon can be pinched when abducting the arm and why

A

Supra-spinatus tendon due to its relationship with the clavicle

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19
Q

Deltoid muscle origin and insertion

A
  • Origin = clavicle and scapular spine
  • Insertion = humerus
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20
Q

Main function of deltoid muscle

A

Abduct the arm

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21
Q

2 functions of pectoralis major muscle

A

Adduction and flexion of arm

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22
Q

Attachment of pectoralis minor

A

Scapula

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23
Q

Function of the pectoralis minor

A

Depression of the scapula

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24
Q

Attachment of the serratus anterior muscle and its location

A

Runs along the ribs –> attach at medial border of the scapula

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25
Q

Function of the serratus anterior muscle

A

Protrude the medial border of the scapula

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26
Q

Origin and insertion of trapezius muscle

A
  • Origin = Vertebral column
  • Insertion = scapula
27
Q

Function of trapezius muscle

A
  • Elecation of scapula
  • Retraction of scapula
  • Lateral rotation of scapula (abduction of arm)
28
Q

Only shoulder muscle that is innervated by a cranial nerve (name the nerve)

A

Cranial nerve XI for the trapezus muscle

29
Q

Function of levator scapulae

A

Contraction = elevation of scapula

30
Q

Function of rhomboid major and minor muscles

A

Retraction and medial rotation of scapula

31
Q

Function of latissimus dorsi

A

Extension of arm and adduction of arm

32
Q

Function of teres major

A

Extension of arm and adduction of arm

33
Q

Attachment of biceps brachii muscle

A

Scapula

34
Q

Function of biceps brachii muscle

A

Flexion of arm at shoulder joint

35
Q

Define the triangle of auscultation

A

Gap revealed by the layering of all the muscles of the back and shoulder where auscultation of the inner organs of that area is most convenient

36
Q

Subscapularis muscle origin and insertion

A

Origin = scapula

Insertion = humerus

37
Q

Main action of subscapularis muscle

A

Medial rotation of arm

38
Q

Origin and insertion of supra-spinatus muscle

A

Origin = scapula

Insertion = humerus

39
Q

Main action of supra-spinatus muscle

A

Abduction of arm

40
Q

Origin and insertion of infra-spinatus muscle

A

Origin = scapula

Insertion = humerus

41
Q

Main action of infra-spinatus muscle

A

Lateral rotation of arm

42
Q

Origin and insertion of teres minor

A

Origin = scapula

Insertion = humerus

43
Q

Main action of teres minor

A

Lateral rotation of arm

44
Q

Teres major origin and insertion

A

Origin = scapula

Insertion = humerus

45
Q

Main action(s) of teres major

A

Adduction/extension of arm

46
Q

Origin and insertion of deltoid muscle

A
  • Origin = Scapula/clavicle
  • Insertion = Humerus
47
Q

Main action of deltoid muscle

A

Abduction of arm

48
Q

Origin and insertion of latissimus dorsi muscle

A
  • Origin = Vertebrae
  • Insertion = Humerus
49
Q

Main actions of latissimus dorsi

A

Adduction/extension of arm

50
Q

Origin and insertion of pectoralis major muscle

A

Origin = sternum

Insertion = humerus

51
Q

Main action of pectoralis major muscle

A

Adduction/flexion of arm

52
Q

Origin and insertion of pectoralis minor muscle

A

Origin = sternum

Insertion = scapula

53
Q

Main action of pectoralis minor

A

Depression of scapula

54
Q

Origin and insertion of serratus anterior

A

Origin = ribs

Insertion = scapula

55
Q

Main action of serratus anterior

A

Protraction of scapula

56
Q

Origin and insertion of trapezius muscle

A

Origin = vertebrae

Insertion = scapula

57
Q

Main actions of trapezius muscle

A

Retraction/elevation/lateral rotation of scapula

58
Q

Origin and insertion of rhomboids

A

Origin = vertebrae

Insertion = scapula

59
Q

Main actions of rhomboids

A

Retraction/medial rotation of scapula

60
Q

Origin and insertion of levator scapulae

A

Origin = vertebrae

Insertion = scapula

61
Q

Main action of levator scapulae muscle

A

Elevation of scapula

62
Q

Origin and insertino of biceps brachii

A

Origin = scapula

Insertion = forearm

63
Q

Main action of biceps brachii muscle

A

Flexion of arm/forearm

Block H - Movement (7 decks)

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