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Medicine Year 1 Semester 1 > Anatomy Breast, Thoracic Wall, Axilla, Rotator Cuff, Arm, Forearm > Flashcards

Anatomy Breast, Thoracic Wall, Axilla, Rotator Cuff, Arm, Forearm Flashcards

1
Q

What muscles are found in the Breast Area?

A

Pectoralis Major
Deltoid
Pectoralis Minor
Subclavius

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2
Q

Innervation of pectoralis major

A

Medial and lateral pectoral nerve

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3
Q

Insertion of pectoralis major

A

Crest of greater tubercle of the humerus

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4
Q

What are the origins of pectoralis major

A

Clavicular and sternal head
Intertubercular groove of the humerus
Anterior layer of rectus sheath
Costal cartilage 2-6

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5
Q

Origin of pectoralis minor

A

Rib 3-5

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6
Q

Insertion of pectoralis minor

A

Coracoid process of the scapula

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7
Q

Innervation of pectoralis minor

A

Medial pectoral nerve

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8
Q

What does the lateral pectoral nerve innervates

A

Pectoralis major and deltoid

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9
Q

What does the medial pectoral nerve innervate

A

Pectoralis major, minor, and deltoid

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10
Q

Innervation of subclavius muscle

A

Subclavian nerve

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11
Q

Origin and insertion of subclavius

A

Origin is first rib, insertion is the lower surface of the clavicle

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12
Q

What muscle is inserted into the coracoid process of the scapula

A

Pectoralis minor, biceps brachii, and coracobrachialis

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13
Q

What muscles shape the thoracic wall?

A

Internal and External intercostal muscles

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14
Q

What muscle attaches to the lower border of the rib?

A

External intercostal muscles

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15
Q

What muscle attaches to the upper border of the ribs

A

Internal intercostal muscles

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16
Q

What nerves innervate the internal and external intercostal muscles

A

Intercostal nerves T1-T11

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17
Q

What muscles do the intercostal nerves innervate?

A

Internal and external intercostal muscles

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18
Q

Where does the external intercostal muscle attach?

A

Lower border of the rib and the upper border of the rib below

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19
Q

Where does the internal intercostal muscle attach?

A

Upper border of the rib and the lower border of the rib above

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20
Q

What muscles are found in the axilla?

A

Latissimus Doris and Serratus Anterior

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21
Q

What nerve innervates Latissimus Dorsi?

A

Thoracodorsal nerve

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22
Q

What nerve innervates Serratus Anterior?

A

Long Thoracic Nerve

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23
Q

Where on the humerus does Latissimus Dorsi Attach to?

A

Intertubercular Groove

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24
Q

Give 4 places Latissimus Dorsi attaches to

A

Intertubercular groove
Pelvis
Spine
Scapula

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25
Q

What nerve innervates Serratus Anterior?

A

Long Thoracic Nerve

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26
Q

Where does Serratus Anterior attach?

A

Upper 8 ribs and medial border of the scapula

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27
Q

What attaches to the medial border of the scapula?

A

Serratus Anterior

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28
Q

What muscle in the axilla attaches to the intertubercular groove?

A

Latissimus Dorsi

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29
Q

What muscles make up the rotator cuff?

A

Subscapularis
Supraspinatus
Infraspinatus
Teres Minor

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30
Q

What muscles does the suprascapular nerve innervate

A

Supraspinatous

Infraspinatous

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31
Q

Innervation of subscapularis

A

Subscapular nerve

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32
Q

Innervation of supraspinatus

A

Suprascapular nerve

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33
Q

Innervation of infraspinatus

A

Suprascapular nerve

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34
Q

Innervation of Teres Minor

A

Axillary nerve

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35
Q

What muscle, located in the rotator cuff is innervated by the axillary nerve?

A

Teres minor

36
Q

Where does teres minor attach to?

A

Scapula and greater tubercle of the humerus

37
Q

What muscles make up the anterior compartment of the arm?

A

Biceps Brachii
Brachialis
Coracobrachialis
Brachioradialis

38
Q

Innervation of biceps brachii

A

Musculocutaneous nerve

39
Q

Innervation of Brachialis

A

Musculocutaneous nerve

40
Q

Innervation of coracobrachialis

A

Musculocutaneous nerve

41
Q

Innervation of Brachioradialis

A

Radial Nerve

42
Q

Insertion of Biceps Brachii

A

Radial tuberosity and bicipital aponeurosis

43
Q

Insertion of Brachialis

A

Ulnar tuberosity

44
Q

Insertion of coracobrachialis

A

Mid shaft of humerus

45
Q

Insertion of brachioradialis

A

Distal styloid process of radius

46
Q

What muscles are innervated by the musculocutaneous nerve?

A

Biceps brachii
Brachialis
Coracobrachialis

47
Q

What muscles in the arm attach to the coracoid process? Are these origins or insertions?

A

Biceps brachii and coracobrachialis

Origins since the scapular does not move on function

48
Q

In which compartment is the triceps located in?

A

Posterior compartment of the arm

49
Q

What muscles are located in the posterior compartment of the arm?

A

Triceps

Anconeus

50
Q

Insertion of triceps

A

Olecranon of the Ulna

51
Q

Innervation of triceps

A

Radial Nerve

52
Q

What are the origins of the triceps

A

Scapula
Proximal Lateral border of humerus
Distal half of humerus

53
Q

What nerve supplies the posterior compartment of the arm?

A

Radial Nerve

54
Q

What nerve supplies the majority of the anterior compartment of the arm?

A

Musculocutaneous Nerve

55
Q

What muscles are found in the anterior compartment of the forearm

A 
Pronator Teres
Palmaris Longus 
Flexor Carpi Radialis 
Flexor Digitorum Superficialis 
Flexor Digitorum Profundus 
Flexor Carpi Ulnaris 
Pronator Quadratus
56
Q

Innervation of Pronator Teres

A

Median Nerve

57
Q

Innervation of Palmaris Longus

A

Median Nerve

58
Q

Innervation of Flexor Carpi Radialis

A

Median Nerve

59
Q

Innervation of Flexor Digitorum Superficialis

A

Median Nerve

60
Q

Innervation of Flexor Digitorum Profundus

A

Anterior interosseous branch of median nerve

61
Q

Innervation of Flexor Carpi Ulnaris

A

Ulnar Nerve

62
Q

Innervation of Pronator Quadratus

A

Anterior Interosseous branch of the Median Nerve

63
Q

Insertion of Pronator Teres

A

Middle lateral surface of radius

64
Q

Insertion of Palmaris Longus

A

Apex of palmer aponeurosis

65
Q

Insertion of Flexor Carpi Radialis

A

Anterior surface of bases of 2nd and 3rd metacarpals

66
Q

Insertion of Flexor Digitorum Superficialis

A

Sides of middle phalanges of medial 4 digits

67
Q

Insertion of Flexor Digitorum Profundus

A

Palmar surface of bases of distal phalanges of medial 4 digits

68
Q

Insertion of Flexor Carpi Ulnaris

A

Hook of hamate and base of 5th metacarpal

69
Q

Insertion of Pronator Quadratus

A

Superficial, lower 1/4 of radius

Deep, Triangular area above Ulnar Notch

70
Q

What muscles are innervated by the anterior interosseous branch of the median nerve?

A

Flexor Digitorum Profundus and Pronator Quadratus

71
Q

What muscles are found in the posterior compartment of the forearm?

A 
Extensor Carpi Radialis Longus 
Extensor Carpi Radialis Brevis
Extensor Digitorum
Extensor Digiti Minimi
Extensor Indicis
Adductor Pollicis Longus (brevis in hands)
Extensor Pollicis Longus
Extensor Pollicis Brevis
Extensor Carpi Ulnaris 
Supinator
72
Q

What nerve Innervates the muscles of the posterior compartment of the forearm?

A

Posterior interosseous branch of the radial nerve

73
Q

Innervation of Extensor Carpi Radialis Longus

A

Radial Nerve

74
Q

Insertion of Extensor Carpi Radialis Longus

A

Posterior Surface of Base of 2nd metacarpal

75
Q

Insertion of Extensor Carpi Radialis Brevis

A

Posterior surface of 3rd metacarpal

76
Q

Insertion of Extensor Digitorum

A

Bases of middle and terminal phalanges of medial 4 digits

77
Q

Insertion of Extensor Digiti Minimi

A

Base of middle and terminal phalanges of 5th metacarpal (little finger)

78
Q

Insertion of Extensor Indicis

A

Middle and terminal phalanges of 2nd metacarpal (index finger)

79
Q

Insertion of Abductor Pollicis Longus

A

Lateral side of base of 1st metacarpal

80
Q

Insertion of Extensor Pollicis Brevis

A

Dorsal surface of Proximal phalanx of 1st metacarpal (thumb)

81
Q

Insertion of Extensor Pollicis Longus

A

Dorsal surface of distal phalanx of 1st metacarpal (thumb)

82
Q

Insertion of Extensor Carpi Ulnaris

A

Tubercle on medial aspect of dorsal surface of base of 5th metacarpal

83
Q

Insertion of Supinator

A

Upper 1/3 of Radius

84
Q 
What is the origin of 
Extensor Carpi Radialis Brevis
Extensor Digitorum
Extensor Digiti Minimi
Extensor Carpi Ulnaris 
Supinator
A

Lateral Epicondyle of Humerus

85
Q

What is the origin of Extensor Carpi Radialis Longus

A

Lower 1/3 of lateral supracondular ridge of humerus

86
Q

What is the origin of
Extensor Indicis
Abductor Pollicis Longus
Extensor Pollicis Longus

A

Posterior surface of Ulna

87
Q

What is the origin of Extensor Pollicis Brevis

A

Posterior surface of the radius

Medicine Year 1 Semester 1 (23 decks)

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