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Gross Anatomy > Exam 1 Remaining Material > Flashcards

Exam 1 Remaining Material Flashcards

1
Q

Nerve to Subclavius

Segmental innervation

A

C5

C6

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2
Q

N. To Subclavius

Motor supply

A

Subclavius

Diaphragm

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3
Q

N. To subclavius

Articular supply

A

Sternoclavicular joint

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4
Q

N to subclavius

Feature

A

AKA accessory phrenic nerve

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5
Q

Lateral pectoral nerve

Segmental innervation

A

C5
C6
C7

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6
Q

Lateral pectoral nerve

Motor supply

A

Pectoralis major

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7
Q

Musculocutaneous Nerve

Segmental innervation

A

C5
C6
C7

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8
Q

Musculocutaneous

Motor supply

A

Coracobrachialis
Biceps Brachii
Brachialis

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9
Q

Musculocutaneous

Articular supply

A

Elbow joint

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10
Q

Musculocutaneous

Cutaneous supply

A

Lateral aspect of forearm

As lateral antebrachial cutaneous nerve

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11
Q

Medial pectoral nerve

Segmental innervation

A

C8

T1

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12
Q

Medial pectoral nerve

Motor supply

A

Pectoralis major

Pectoralis minor

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13
Q

Medial brachial cutaneous nerve

Innervation

A

T1

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14
Q

Medial brachial cutaneous nerve

Cutaneous Supply

A

Medial aspect of arm

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15
Q

Medial antebrachial cutaneous nerve

Innervation

A

C8

T1

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16
Q

Medial antebrachial cutaneous nerve

Cutaneous Supply

A

Medial aspect of forearm

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17
Q

Ulnar nerve

Innervation

A

C8

T1

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18
Q

Ulnar nerve

Motor supply

A

Flexor Carpi Ulnaris
Flexor Digitorum Profundus
Hypothenar Muscles
Adductor Pollicus

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19
Q

Ulnar nerve

Articular supply

A

Elbow joint

Wrist joint

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20
Q

Ulnar nerve

Cutaneous supply

A

1/4 medial aspect of palm and dorsum of hand

Skiing of digits 5 and part of 4

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21
Q

Median nerve

Innervation

A

C6
C7
C8
T1

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22
Q

Median nerve

Motor supply

A

Anterior forearm

Thenar muscles

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23
Q

Median nerve

Articular supply

A

Elbow and wrist joint

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24
Q

Median nerve

Cutaneous supply

A

Lateral 3/4 of palmar surface of palm and skin of first 3.5 digits

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25
Upper subscapular | Innervation
C5
26
Upper subscapular | Motor supply
Subscapularis
27
Lower subscapular nerve | Motor supply
Subscapularis | Teres major
28
Thoracodorsal | Innervation
C6 C7 C8
29
Thoracodorsal | Motor supply
Latissimus dorsi
30
Axillary nerve | Innervation
C5 | C6
31
Axillary nerve | Motor supply
Deltoid | Teres minor
32
Axillary nerve | Articular supply
Shoulder joint | AC joint
33
Axillary nerve | Cutaneous supply
Lateral brachial cutaneous | Lateral aspect of arm
34
Radial nerve | Innervation
``` C5 C6 C7 C8 T1 ```
35
Radial nerve | Motor supply
Triceps Brachii | All posterior forearm muscles
36
Radial nerve | Articular supply
Elbow and wrist joints
37
Radial nerve | Cutaneous supply
Posterior arm and forearm | Dorsum of hand
38
C4 Dermatome
Skin over acromion process
39
C5 Dermatome
Lateral side of arm
40
C6 Dermatome
Lateral side of forearm | Digits 1 and 2
41
C7 Dermatome
Skin of palm | Digits 2, 3, 4
42
C8 Dermatome
Medial side of forearm | Digit 5
43
T1 Dermatome
Medial side of arm
44
T2 Dermatome
Skin of axilla
45
Paralysis
Complete loss of muscular movement
46
Paresis
Movement can be performed, but it’s weak (incomplete paralysis)
47
Anesthesia
Partial or complete loss of sensation with or without consciousness
48
Paresthesia
Loss of cutaneous sensation
49
Err-Duchenne Palsy
Most common injury to plexus | C5/C6 damage (increase angle between neck and shoulder)
50
Symptoms of Erb-Duchenne Palsy
Greatly disabled shoulder movements | Functional hand and digit movements
51
Klumpke’s Palsy
C8/T1 | Forceful abduction of humerus at shoulder joint
52
Symptoms of Klumpke’s
Problems with hand and digit movements | Loss of sensation at C8/T1 Dermatome levels
53
Cervical ribs
Longer than normal transverse process of cervical vertebrae
54
Compression of cords of brachial plexus
Cords are compressed or impinged, resulting in paresthesia, erythema, and possible hand or digit weakness
55
Thoracic Outlet Syndrome (TOS)
Both compression of cords of brachial plexus and axillary artery Symptoms both neurological and vascular
56
Axillary artery
Continuation of subclavian artery | Becomes brachial artery in humerus
57
6 branches of axillary artery
``` Superior thoracic Thoracoacromial Lateral thoracic Subscapular Anterior and Posterior Humeral Circumflex ```
58
Superior thoracic artery
Supplies pectoralis major and minor, subclavius, wall of thorax
59
Thoracoacromial artery
``` Divides into: Acromial Pectoral Clavicular Deltoid ```
60
Lateral thoracic artery
Supplies serratus anterior, pectoralis major and minor, mammary glands, intercostal muscles
61
Subscapular artery
Largest branch Divides into: 1. Thoracodorsal - latissimus dorsi and subscapularis muscles 2. Circumflex scapular- supraspinatus, infraspinatus, teres major and minor, triceps Brachii, part of deltoid
62
Anterior and Posterior Humeral Circumflex
Supply deltoid, shoulder joint, teres muscles, proximal part of humerus
63
Function of lymph nodes
Filter lymph fluid | Produce lymphocytes- destroy bacteria, viruses, cancer cells
64
Lower subscapular | Innervation
C6

Gross Anatomy (18 decks)

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