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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

(87 cards)

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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
What nerve innervates Serratus Anterior?
Long Thoracic Nerve
26
Where does Serratus Anterior attach?
Upper 8 ribs and medial border of the scapula
27
What attaches to the medial border of the scapula?
Serratus Anterior
28
What muscle in the axilla attaches to the intertubercular groove?
Latissimus Dorsi
29
What muscles make up the rotator cuff?
Subscapularis Supraspinatus Infraspinatus Teres Minor
30
What muscles does the suprascapular nerve innervate
Supraspinatous | Infraspinatous
31
Innervation of subscapularis
Subscapular nerve
32
Innervation of supraspinatus
Suprascapular nerve
33
Innervation of infraspinatus
Suprascapular nerve
34
Innervation of Teres Minor
Axillary nerve
35
What muscle, located in the rotator cuff is innervated by the axillary nerve?
Teres minor
36
Where does teres minor attach to?
Scapula and greater tubercle of the humerus
37
What muscles make up the anterior compartment of the arm?
Biceps Brachii Brachialis Coracobrachialis Brachioradialis
38
Innervation of biceps brachii
Musculocutaneous nerve
39
Innervation of Brachialis
Musculocutaneous nerve
40
Innervation of coracobrachialis
Musculocutaneous nerve
41
Innervation of Brachioradialis
Radial Nerve
42
Insertion of Biceps Brachii
Radial tuberosity and bicipital aponeurosis
43
Insertion of Brachialis
Ulnar tuberosity
44
Insertion of coracobrachialis
Mid shaft of humerus
45
Insertion of brachioradialis
Distal styloid process of radius
46
What muscles are innervated by the musculocutaneous nerve?
Biceps brachii Brachialis Coracobrachialis
47
What muscles in the arm attach to the coracoid process? Are these origins or insertions?
Biceps brachii and coracobrachialis | Origins since the scapular does not move on function
48
In which compartment is the triceps located in?
Posterior compartment of the arm
49
What muscles are located in the posterior compartment of the arm?
Triceps | Anconeus
50
Insertion of triceps
Olecranon of the Ulna
51
Innervation of triceps
Radial Nerve
52
What are the origins of the triceps
Scapula Proximal Lateral border of humerus Distal half of humerus
53
What nerve supplies the posterior compartment of the arm?
Radial Nerve
54
What nerve supplies the majority of the anterior compartment of the arm?
Musculocutaneous Nerve
55
What muscles are found in the anterior compartment of the forearm
``` Pronator Teres Palmaris Longus Flexor Carpi Radialis Flexor Digitorum Superficialis Flexor Digitorum Profundus Flexor Carpi Ulnaris Pronator Quadratus ```
56
Innervation of Pronator Teres
Median Nerve
57
Innervation of Palmaris Longus
Median Nerve
58
Innervation of Flexor Carpi Radialis
Median Nerve
59
Innervation of Flexor Digitorum Superficialis
Median Nerve
60
Innervation of Flexor Digitorum Profundus
Anterior interosseous branch of median nerve
61
Innervation of Flexor Carpi Ulnaris
Ulnar Nerve
62
Innervation of Pronator Quadratus
Anterior Interosseous branch of the Median Nerve
63
Insertion of Pronator Teres
Middle lateral surface of radius
64
Insertion of Palmaris Longus
Apex of palmer aponeurosis
65
Insertion of Flexor Carpi Radialis
Anterior surface of bases of 2nd and 3rd metacarpals
66
Insertion of Flexor Digitorum Superficialis
Sides of middle phalanges of medial 4 digits
67
Insertion of Flexor Digitorum Profundus
Palmar surface of bases of distal phalanges of medial 4 digits
68
Insertion of Flexor Carpi Ulnaris
Hook of hamate and base of 5th metacarpal
69
Insertion of Pronator Quadratus
Superficial, lower 1/4 of radius | Deep, Triangular area above Ulnar Notch
70
What muscles are innervated by the anterior interosseous branch of the median nerve?
Flexor Digitorum Profundus and Pronator Quadratus
71
What muscles are found in the posterior compartment of the forearm?
``` 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
What nerve Innervates the muscles of the posterior compartment of the forearm?
Posterior interosseous branch of the radial nerve
73
Innervation of Extensor Carpi Radialis Longus
Radial Nerve
74
Insertion of Extensor Carpi Radialis Longus
Posterior Surface of Base of 2nd metacarpal
75
Insertion of Extensor Carpi Radialis Brevis
Posterior surface of 3rd metacarpal
76
Insertion of Extensor Digitorum
Bases of middle and terminal phalanges of medial 4 digits
77
Insertion of Extensor Digiti Minimi
Base of middle and terminal phalanges of 5th metacarpal (little finger)
78
Insertion of Extensor Indicis
Middle and terminal phalanges of 2nd metacarpal (index finger)
79
Insertion of Abductor Pollicis Longus
Lateral side of base of 1st metacarpal
80
Insertion of Extensor Pollicis Brevis
Dorsal surface of Proximal phalanx of 1st metacarpal (thumb)
81
Insertion of Extensor Pollicis Longus
Dorsal surface of distal phalanx of 1st metacarpal (thumb)
82
Insertion of Extensor Carpi Ulnaris
Tubercle on medial aspect of dorsal surface of base of 5th metacarpal
83
Insertion of Supinator
Upper 1/3 of Radius
84
``` What is the origin of Extensor Carpi Radialis Brevis Extensor Digitorum Extensor Digiti Minimi Extensor Carpi Ulnaris Supinator ```
Lateral Epicondyle of Humerus
85
What is the origin of Extensor Carpi Radialis Longus
Lower 1/3 of lateral supracondular ridge of humerus
86
What is the origin of Extensor Indicis Abductor Pollicis Longus Extensor Pollicis Longus
Posterior surface of Ulna
87
What is the origin of Extensor Pollicis Brevis
Posterior surface of the radius

Medicine Year 1 Semester 1 (23 decks)

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