Brachial Plexus Flashcards
(95 cards)
1
Q
Brachial plexus is created by spinal
nerves
A
C5-C8 and T1
2
Q
number Roots
A
5
3
Q
number of Trunks
A
3
4
Q
number of Divisions
A
6
5
Q
Number of Cords
A
3
6
Q
Number of Branches
A
5
7
Q
The three trunks travel between
A
anterior and middle scalenes
8
Q
Roots of C5-C8 and T1 leave the
spinal through the
A
intervertebral
foramen
9
Q
The cords travel through the
A
deltopectoral triangle across the anterior
chest
10
Q
The cords travel ________ to pectoralis minor
A
DEEP
11
Q
Long Thoracic Nerve Comes off a
A
Root
12
Q
Long Thoracic Nerve Travels anterior to
A
the anterior
scalene
13
Q
Long Thoracic Nerve Travels between
A
clavicle and R1
14
Q
Long Thoracic Nerve Travels inferolateral
A
across anterior
torso
15
Q
Long Thoracic Nerve Innervates:
A
serratus anterior
16
Q
Suprascapular Nerve Comes off a
A
Trunk
17
Q
Suprascapular Nerve Travels between
A
posterior scalene
and upper traps
18
Q
Suprascapular Nerve Travels to
A
scapula
19
Q
Suprascapular Nerve Splits into:
A
Suprascapular nerve
Infrascapular nerve
20
Q
Suprascapular Nerve Innervates:
A
supraspinatus
21
Q
Infrascapular Nerve Innervates:
A
infraspinatus
22
Q
Medial Pectoral Nerve comes off a
A
cord
23
Q
Medial Pectoral Nerve Travels between
A
pec major and pec
minor
24
Q
Medial Pectoral Nerve Innervates:
A
pec major and pec minor
25
Lateral Pectoral Nerve Comes off a
cord
26
Lateral Pectoral Nerve Travels between
pec major and pec
minor
27
Lateral Pectoral Nerve innervates:
pec major
28
Subscapular Nerve
Comes off a
cord
29
Subscapular Nerve splits into:
Superior subscapular nerve
Thoracodorsal nerve
Inferior subscapular nerve
30
Superior Subscapular Nerve Innervates:
subscapularis
31
Thoracodorsal Nerve Innervates:
latissimus dorsi
32
Inferior Subscapular Nerve Innervates:
teres major
33
Dorsal Scapular Nerve originates from:
C5 root
34
Dorsal Scapular Nerve Passes posteriorly, often piercing:
middle scalene, to reach and travel
along medial border of scapula
35
Dorsal Scapular Nerve Innervates:
Innervates levator scap, rhomboid
major, and rhomboid minor
36
Nerve to Subclavius Originates from:
a superior trunk
37
Nerve to Subclavius Passes:
antero-inferior over
subclavian artery and vein
38
Nerve to Subclavius innervates
Subclavius
39
Accessory Nerve [XI] is NOT?
not
part of BP!
40
Accessory Nerve [XI]
Cranial nerve that descends from neck
onto deep surface of the SCM and
trapezius
41
Accessory Nerve [XI] Innervates
SCM and Traps
42
Branches Start
deep to pec minor
43
Branches Travel through:
axilla
44
Axillary Nerve comes off a:
cord
45
Axillary Nerve Travels through the
axilla
46
Axillary Nerve Divides into:
an anterior and
posterior branch
47
Creates a cuff around the deltoid?
Axillary Nerve
48
Innervates:
Deltoid
Teres minor
Axillary Nerve
49
Musculocutaneous Nerve comes off a
cord
50
Musculocutaneous Nerve travels deep to
Pec minor
51
Musculocutaneous Nerve Pierces:
coracobrachialis
52
Musculocutaneous Nerve Travels down?
anterior humerus
53
Musculocutaneous Nerve Motor component terminates proximal to:
cubital fossa
54
Musculocutaneous Nerve Innervates:
Innervates:
Biceps brachii
Brachialis
Coracobrachialis
55
Radial Nerve comes off a
Cord
56
Radial Nerve travels deep to
Pec Minor
57
Radial Nerve Travels through
Axilla
58
Radial Nerve Travels down
posterior humerus
between medial and lateral heads of
triceps
59
After the posterior humerus the Radial Nerve then Travels Travels posterior to
lateral
epicondyle of humerus
60
Radial Nerve travels down _________ radius
posterior
61
Enters ________ of hand by MCI
dorsum
62
Radial Nerve Innervates:
Triceps, anconeus, brachioradialis,
ECR l/b, ECU, ED, E indicis, ED minimi, Abd Pl, EP l/b, supinator
63
Median Nerve Comes off a
Cord
64
Median Nerve travels deep to
pec minor
65
Median Nerve travels through the
axilla
66
Median Nerve travels Travels down medial humerus
between _______ and _______.
between biceps and triceps
67
Median Nerve travels Travels through cubital fossa as
as medial neurovascular structure
68
Median Nerve Pierces
pronator teres
69
Median Nerve travels down ________ forearm
anterior
70
Median Nerve travels Travels through
carpal tunnel
71
Median Nerve travels Enters _________ of hand
thenar eminance
72
Median Nerve Innervates:
Innervates: pronator teres, FCR,
palmaris longus, FDS, radial ½ of FDP, pronator quadratus, muscles
of the thenar eminance
73
Ulnar Nerve comes off a
Cord
74
Ulnar Nerve Travels deep to_____________
pec minor
75
Ulnar Nerve Travels through The _______
axilla
76
Ulnar Nerve Travels down ___________ humerus
between ______ and _______.
medial; biceps and triceps
77
Ulnar Nerve Travels _______ to medial
epicondyle; between _________ and ______(funny
bone)
posterior; medial
epicondyle and olecranon
78
Ulnar Nerve Travels down ________ ulna
anterior
79
Ulnar Nerve Travels Enters hand at __________
hypothenar eminance
80
Ulnar Nerve Innervates:
Innervates: FCU, Ulnar half of FDP,
and the entire hand with the
exception of the thenar eminance
81
Deltopectoral Triangle Structures creating:
Clavicle – superior border
Anterior Deltoid – lateral border
Pec Major – medial border
82
Deltopectoral Triangle Structures within:
Brachial plexus – cords
Axillary artery
Axillary vein
83
Cubital Fossa Structures creating:
Biceps insertion – superior lateral
border
Biciptal aponeurosis – superior medial
border
Pronator teres – inferior medial border
Brachioradialis – inferior lateral
border
84
Cubital Fossa Structures within:
Brachial artery – lateral
Brachial vein – intermediate
Median nerve - medial
85
Carpal Tunnel Structures creating:
Four intermediate carpals (lunate, triquetral,
trapezoid, capitate) create floor of the tunnel
Flexor retinaculum – ceiling
86
Carpal Tunnel Structures within:
Tendons of FDS – superficial
Median nerve
Tendons of FDP – deep
Tendons of FCR and FPL
87
Myotome Test action shoulder ABduction
C 5 nerve root
88
Myotome Test action
Elbow flexion/wrist extension
C 6 Nerver root
89
Myotome Test action Elbow extension/wrist flexion
C 7 Nerve root
90
Myotome Test action Thumb extension/ulnar deviation
C 8 nerve root
91
Myotome Test action Hand intrinsics
T 1 nerve root
92
Myotome test action Neck Flexion
C1-C2 nerve root
93
Myotome Test action neck side bending
C 3 nerve root
94
Myotome Test action Shoulder elevation
C 4 nerve root
95
