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Gross Anatomy > Upper Limb > Flashcards

Upper Limb Flashcards

1
Q

Deltoid acromial part origin

A

Acromion

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2
Q

Deltoid spinal part origin

A

Scapular Spine

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3
Q

Deltoid insertion

A

deltoid tuberosity of the humerus

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4
Q

Deltoid innervation

A

Axillary n.

Segment C5, C6

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5
Q

Deltoid Action Clavicular Part

A

Fleixion, internal rotation, adduction

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6
Q

Deltoid acromial part action

A

Abduction

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7
Q

Deltoid spinal part action

A

extension, external rotation, adduction

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8
Q

Supraspinatus origin

A

supraspinous fossa of the scapula

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9
Q

Infraspinatus origin

A

infraspinous fossa of the scapula

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10
Q

Teres Minor Origin

A

Lateral Border of the scapula

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11
Q

Subscapularis origin

A

subscapular fossa of the scapula

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12
Q

Supraspinatus, Infraspinatus, Teres Minor Insertion

A

Greater tubercle of the humerus

Supraspinatus - superior facet
Infraspinatus - middle facet
Teres Minor - inferior facet

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13
Q

Subscapularis insertion

A

Lesser tubercle of the humerus

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14
Q

Supraspinatus and Infraspinatus Innervation

A

Suprascapular n.

C4-C6

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15
Q

Teres Minor Innervation

A

Axillary n.

C5, C6

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16
Q

Subscapularis innervation

A

Subscapular n.

C5,C6,C7

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17
Q

Supraspinatus Action

A

Initiates abduction

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18
Q

Infraspinatus Action

A

External Rotation

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19
Q

Teres Minor Action

A

External Rotation, weak adduction

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20
Q

Subscapularis Action

A

Internal rotation

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21
Q

Coracobrachialis Origin

A

Coracoid process of the scapula

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22
Q

Coracobrachialis Insertion

A

Humerus (in line with the medial lip)

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23
Q

Coracobrachialis Innervation

A

Musculocutaneous nn.

C5-C7

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24
Q

Coracobrachialis Action

A

Flexion, adduction, internal rotation

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25
Q

Pectoralis Major clavicular part

A

Medial half of clavicle

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26
Q

Pectoralis Major sternocostal origin

A

Sternum and costal cartilage 1-6

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27
Q

Pectoralis Major abdominal origin

A

Rectus sheath (anterior layer)

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28
Q

Pectoralis Major insertion

A

lateral lip of the humerus

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29
Q

Pectoralis Major Innervation

A

Medial and Lateral pectoral nn.

C5-T1

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30
Q

Pectoralis Major Action

A

Entire Muscle: adduction and internal rotation

Clavicular and sternocostal parts: flexion, assists in respiration when shoulder is fixed

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31
Q

Deltoid clavicular origin

A

Lateral third of clavicle

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32
Q

Subclavius origin

A

1st rib

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33
Q

Subclavius insertion

A

inferior surface of the clavicle

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34
Q

Subclavius innervation

A

N. to subclavius

C5, C6

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35
Q

Subclavius Action

A

Steadies the clavicle in the sternoclavicular joint

36
Q

Pectoralis Minor Origin

A

3rd to 5th ribs

37
Q

Pectoralis Minor Insertion

A

Coracoid process

38
Q

Pectoralis Minor innervation

A

Medial pectoral n. (C8, T1)

39
Q

Pectoralis minor action

A

depress and anteriorly tilts the scapula

Rotates glenoid inferiorly

40
Q

Serratus Anterior: superior, intermediate, and inferior part origin

A

1st to 9th ribs

41
Q

Serratus Anterior: superior, intermediate, and inferior insertion

A

Medial border of the scapula

42
Q

Serratus Anterior: superior, intermediate, and inferior innervation

A

Long thoracic n.

C5-C7

43
Q

Serratus Anterior Superior part action

A

lowers the raised arm (extension of arm)

44
Q

Serratus Anterior entire muscle action

A

Protraction

Elevates ribs when shoulder is fixed

45
Q

Serratus Anterior Inferior part action

A

Rotates scapula laterally

46
Q

Teres major origin

A

inferior angle of the scapula

47
Q

Teres Major insertion

A

medial lip of the humerus

48
Q

Teres Major Innervation

A

Lower subscapular n.

C5-C7

49
Q

Teres Major Action

A

Internal rotation
Adduction
Extension

50
Q

Biceps Brachii long head origin

A

supraglenoid tubercle of the scapula

51
Q

Biceps brachii short head origin

A

coracoid process of the scapula

52
Q

Biceps brachii long and short head insertion

A

radial tuberosity

53
Q

Biceps brachii long and short head innervation

A

musculocutaneous n.

C5, C6

54
Q

Biceps brachii action

A

Elbow joint: flexion and supination
Shoulder joint: flexion, stabilize humeral head during deltoid contraction, abduction, and internal rotation of the humerus

55
Q

Brachialis origin

A

Distal half of anterior surface of the humerus

56
Q

Brachialis insertion

A

ulnar tuberosity

57
Q

Brachialis innervation

A

musculocutaneous n. C5, C6

radial n. C7, minor

58
Q

Brachialis action

A

Flexion at the elbow joint

59
Q

Triceps brachii long head origin

A

infraglenoid tubercle of the scapula

60
Q

Triceps brachii medial head origin

A

posterior humerus, inferior to radial groove; medial intermuscular septum

61
Q

Triceps brachii lateral head origin

A

posterior humerus, proximal to radial groove; lateral intermuscular septum

62
Q

Triceps brachii insertion

A

olecranon of the ulna

63
Q

Triceps brachii action

A

Elbow joint: extension

Shoulder joint: long head - extension and adduction

64
Q

Anconeus origin

A

lateral epicondyle of the humerus (variance: posterior joint capsule)

65
Q

Anconeus insertion

A

olecranon of ulna (radial surface)

66
Q

Anconeus action

A

extends the elbow and tightens its joint

67
Q

Triceps brachii and anconeus innveration

A

radial n.

C6-C8

68
Q

Descending Trapezius origin, insertion, action

A

Occipital bone; nuchal ligament C1-C7
Lateral third of clavicle
Upward scapular rotation, rotates glenoid cavity superiorly, ipsilateral lateral flexion and contralateral rotation of head

69
Q

Transverse Trapezius origin, insertion, action

A

Aponeurosis of T1-T4 spinous processes
Acromion
Retraction

70
Q

Ascending Trapezius origin, insertion, action

A

T5-T12 spinous processes
scapular spine
medially rotates scapula downward

71
Q

Trapezius innervation

A

Accessory n.

C3-C4 of cervical plexus

72
Q

Levator Scapulae Origin

A

Transverse process C1-C4

73
Q

Levator Scapulae Insertion

A

Superior angle of the scapula

74
Q

Levator Scapulae Action

A

Upward scapular rotation, ipsilateral lateral flexion of the head

75
Q

Rhomboid Minor Origin

A

Spinous process C7, T1

76
Q

Rhomboid Minor Insertion

A

Root on the spine of scapula (medial border)

77
Q

Rhomboid Major Origin

A

Spinous Process T2-T5

78
Q

Rhomboid Major Insertion

A

Medial border inferior to the root of the scapular spine

79
Q

Rhomboid major/minor action

A

Upward scapular rotation, steadies scapula

80
Q

Levator Scapulae, Rhomboid Minor and Major innervation

A

Dorsal Scapular n.

C4-C5

81
Q

Latissimus Dorsi Vertebral Origin

A

T7-T12 Spinous process; thoracolumbar fascia

82
Q

Latissimus Dorsi Scapular Part

A

Inferior angle of the scapula

83
Q

Latissimus Dorsi Costal Origin

A

Ribs 9-12

84
Q

Latissimus Dorsi Iliac origin

A

Posterior third of the iliac crest

85
Q

Latissimus Dorsi Insertion

A

Floor of the intertubercular groove of the humerus

86
Q

Latissimus Dorsi Innervation

A

Thoracodorsal n.

C6-C8

87
Q

Latissimus Dorsi action

A

Internal rotation, adduction, extension, respiration

Gross Anatomy (9 decks)

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