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Upper Extremity Flashcards

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1
Q

Pectoralis Major (clavicular fibers) ORIGIN

A

Anterior surface of sternal 1/2 of clavicle

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2
Q

Pectoralis Major (clavicular fibers) INSERTION

A

Crest of greater tubercle of humerus

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3
Q

Pectoralis Major (clavicular fibers) ACTION

A

Shoulder flexion, MR and horizontal adduction

Origin fixed: humeral adduction and MR

Insertion fixed: assists in elevation of thorax in forced inspiration

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4
Q

Pectoralis Major (clavicular fibers) NERVE

A

Lateral pectoral n. (C5,6,7)

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5
Q

Pectoralis Major (sternal fibers) ORIGIN

A

Anterior surface of sternum, cartilages of ribs 1-7, and aponeurosis of external obliques

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6
Q

Pectoralis Major (sternal fibers) INSERTION

A

Crest of greater tubercle of humerus

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7
Q

Pectoralis Major (sternal fibers) ACTION

A

Depress shoulder
Oblique adduction of humerus toward opposite iliac crest

Origin fixed: humeral adduction and MR

Insertion fixed: assists in elevation of thorax in forced inspiration

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8
Q

Pectoralis Major (sternal fibers) NERVE

A

Lateral and Medial Pectoral n. (C6,7,8,T1)

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9
Q

Pectoralis Minor ORIGIN

A

Superior margins, outer surfaces of 3rd, 4th, and 5th ribs near the cartilages; and from fascia over corresponding intercostals muscles

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10
Q

Pectoralis Minor INSERTION

A

Medial border, superior surface of coracoid process of scapula

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11
Q

Pectoralis Minor ACTION

A

Downward rotation and medial rotation of scapula
Prevents upward rotation of scapula

Origin fixed:
Tilts scapula anteriorly

Insertion fixed:
Assist in forced inspiration

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12
Q

Pectoralis Minor NERVE

A

Medial Pectoral n. (C6,7,8,T1)

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13
Q

Subclavious ORIGIN

A

1st rib and cartilage

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14
Q

Subclavious INSERTION

A

Undersurface of the clavicle

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15
Q

Subclavious ACTION

A

Draws the clavicle down and stabilizes joint

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16
Q

Subclavious NERVE

A

Subclavian n. (C5,C6)

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17
Q

Latissimus Dorsi ORIGIN

A

Spinous processes of last 6 thoracic vertebra
Last 3 or 4 ribs
Through the thoracolumbar fascia from the lumbar and sacral vertebrae
Posterior 1/3 of external lip of iliac crest
Slip from the inferior angle of the scapula

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18
Q

Latissimus Dorsi INSERTION

A

Intertubercular groove of humerus

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19
Q

Latissimus Dorsi ACTION

A 
Origin fixed: 
Shoulder MR, add,
and extension
Depresses shoulder girdle
Assists in trunk lateral flexion

Insertion fixed:
Assists in anterior and lateral pelvic tilts
Assists in lumbar hyperextension

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20
Q

Latissimus Dorsi NERVE

A

Thoracodorsal n. (C6,7,8)

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21
Q

Teres Major ORIGIN

A

Dorsal surface of inferior angle and

lower third of lateral border of scapula

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22
Q

Teres Major INSERTION

A

Crest of lesser tubercle of humerus

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23
Q

Teres Major ACTION

A

Shoulder MR, add, ext

Scapular internal rotation

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24
Q

Teres Major NERVE

A

Lower Subscapular n. (C5,6,7)

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25
Serratus Anterior ORIGIN
Outer surface and superior borders of upper 8 or 9 ribs
26
Serratus Anterior INSERTION
Costal surface of medial border of scapula
27
Serratus Anterior ACTION
Origin fixed: Abduction, posterior tilt, external rotation, and upward rotation of scapula. Holds medial border of scapula against thorax. Lower fibers may depress the scapula and upper fibers may elevate.
28
Serratus Anterior NERVE
Long Thoracic n. (C5,6,7,8)
29
Supraspinatus ORIGIN
Medial 2/3 of supraspinous fossa of scapula
30
Supraspinatus INSERTION
Superior facet of greater tubercule of humerus, and shoulder joint capsule
31
Supraspinatus ACTION
Abduct shoulder Stabilizes head of humerus in glenoid cavity during movements May assist with shoulder LR from neutral to full LR
32
Supraspinatus NERVE
Suprascapular n. (C4,5,6)
33
Infraspinatus ORIGIN
Medial 2/3 of infraspinous fossa of scapula
34
Infraspinatus INSERTION
Middle facet of greater tubercle of humerus, shoulder joint capusle
35
Infraspinatus ACTION
LR shoulder Stabilizes head of humerus in glenoid cavity during movements Scapular internal rotation
36
Infraspinatus NERVE
Suprascapular n. (C4,5,6)
37
Subscapularis ORIGIN
Subscapular fossa of scapula
38
Subscapularis INSERTION
Lesser tubercle of humerus and shoulder joint capsule
39
Subscapularis ACTION
MR shoulder Stabilizes head of humerus in glenoid cavity during movements. Prevents humeral anterior glide.
40
Subscapularis NERVE
Upper and Lower Subscapular n. (C5,6,7)
41
Deltoid ORIGIN
ANTERIOR: Anterior border, superior surface of acromion, and lateral 1/3 of clavicle MIDDLE Lateral margin and superior surface of acromion POSTERIOR Inferior lip of posterior border of spine of scapula
42
Deltoid INSERTION
Deltoid tuberosity
43
Deltoid ACTION
ABD shoulder Anterior: Shoulder flexion and MR Middle: shoulder abduction; scapular downward rotation Posterior: Shoulder extension and LR Scapular internal rotation
44
Deltoid NERVE
Axillary n. (C5,6)
45
Upper Trapezius ORIGIN
External occipital protuberance, medial 1/3 of superior nuchal line, ligamentum nuchae, and spinous process of C7 vertebra
46
Upper Trapezius INSERTION
Lateral 1/3 of clavicle and acromion process of scapula
47
Upper Trapezius ACTION
Origin fixed: Stabilization of scapula Insertion fixed and acting unilaterally: Extend, laterally flex, and rotate head and cervical vertebrae so face turns to opposite side ``` Acting bilaterally: Extends neck Elevation of scapula Elevation and adduction of the scapula and clavicle Accessory muscle to respiration ```
48
Upper Trapezius NERVE
Spinal Accessory n. (CN XI) | Anterior Primary rami (C2,3,4)
49
Middle Trapezius ORIGIN
Spinous process of T1-5
50
Middle Trapezius INSERTION
Medial margin of acromion process and superior lip of spine of scapula
51
Middle Trapezius ACTION
Adduction (with stabilization by upper and lower fibers), ER, and upward rotation of scapula. Stabilizes scapula during upward rotation
52
Middle Trapezius NERVE
Spinal Accessory n. (CN XI) | Anterior primary rami (C2,3,4)
53
Lower Trapezius ORIGIN
Spinous process of T6-12
54
Lower Trapezius INSERTION
Tubercle of at apex of spine of scapula
55
Lower Trapezius ACTION
Depression, ER, and upward rotation of the scapula. | Best upward rotator of scapula in early range of arm elevation
56
Lower Trapezius NERVE
Spinal Accessory n. (CN XI) | Anterior primary rami (C2,3,4)
57
Levator scapulae ORIGIN
Transverse process of cervical vertebrae 1-4
58
Levator scapulae INSERTION
Medial border of scapula between superior angle and root of spine
59
Levator scapulae ACTION
Origin fixed: Elevation and downward rotation of the scapula Insertion fixed and acting unilaterally: Laterally flexes and rotates cervical vertebrae to SAME side Acting bilaterally: Assist in cervical extension
60
Levator scapulae NERVE
Dorsal Scapular n. (C4,5,) | Cervical Spinal n. (C3,4)
61
Rhomboideus Major ORIGIN
Spinous processes of T2-T5
62
Rhomboideus Major INSERTION
By fibrous attachment to medial border of scapula between spine and inferior angle
63
Rhomboideus Major ACTION
Adduction, elevation, downward rotation and ER of the scapula (Stiffness helps prevent scapular internal rotation)
64
Rhomboideus Major NERVE
Dorsal Scapular n. (C4,5)
65
Rhomboideus Minor ORIGIN
Ligamentum nuchae, spinous processes of C7-T1 vertebrae
66
Rhomboideus Minor INSERTION
Medial border at root of spine of scapula
67
Rhomboideus Minor ACTION
Adduction, elevation, ER and downward rotation of scapula
68
Rhomboideus Minor NERVE
Dorsal Scapular n. (C4,5)
69
Teres Minor ORIGIN
Upper 2/3 and dorsal surface of lateral border of scapula
70
Teres Minor INSERTION
Lowest facet of greater tubercle of humerus, and shoulder joint capsule
71
Teres Minor ACTION
LR shoulder Scapular IR Stabilizes head of humerus in glenoid cavity during movements
72
Teres Minor NERVE
Axillary n. (C5,6)
73
Pronator teres ORIGIN
Humeral head: Immediately above medial epicondyle of humerus, common flexor tendon, and deep antebrachial fascia Ulnar head: Medial side of coronoid process of ulna
74
Pronator teres INSERTION
Middle of lateral surface of radius
75
Pronator teres ACTION
Pronate forearm | Assists in elbow flexion
76
Pronator teres NERVE
Median n. (C6,7)
77
Flexor carpi radialis ORIGIN
Common flexor tendon from medial epicondyle of humerous, an deep antebrachial fascia
78
Flexor carpi radialis INSERTION
Base of 2nd metacarpal and slip to base of 3rd metacarpal bone
79
Flexor carpi radialis ACTION
ABD and flexion of wrist | Assists in forearm pronation and elbow flex
80
Flexor carpi radialis NERVE
Median n. (C6,7,8)
81
Palmaris longus ORIGIN
Common flexor tendon from medial epicondyle of humerous, deep antebrachial fascia
82
Palmaris longus INSERTION
Flexor retinaculum, and palmar aponeurosis
83
Palmaris longus ACTION
Tenses palmar fascia Flexion of wrist Assists in elbow flexion
84
Palmaris longus NERVE
Median n. (C6,7,8, T1)
85
Flexor digitorum superficialis ORIGIN
Humeral head: Common flexor tendon from medial epicondyle of humerus, ulnar collateral ligament of elbow joint, and deep antebrachial fascia Ulnar head: Medial side of coroniod process Radial head: Oblique line of radius
86
Flexor digitorum superficialis INSERTION
By 4 tendons into sides of middle phalanges of 2-5th digits
87
Flexor digitorum superficialis ACTION
Flexion of PIP of digits 2-5 | Assists in MCP joint flexion and wrist flexion
88
Flexor digitorum superficialis NERVE
Median n. (C7,8,T1)
89
Flexor digitorum profundus ORIGIN
Anterior and medial surface of proximal ¾ of ulna, interosseus membrane, and deep antebrachial fascia
90
Flexor digitorum profundus INSERTION
By 4 tendons into palmar surface of bases of distal phalanges of digits 2-5
91
Flexor digitorum profundus ACTION
Flexion of DIP joint of digits 2-5 | Assists in PIP, MCP and wrist flexion
92
Flexor digitorum profundus NERVE
Lateral - Anterior interosseus n. (C7,8, T1) | Medial - Ulnar n. (C7,8, T1)
93
Flexor pollicis longus ORIGIN
Anterior surface of body of radius below tuberosity, interosseus membrane, medial border or coronoid process or ulna, and/or medial epicondyle of humerus
94
Flexor pollicis longus INSERTION
Base of distal phalanx of thumb, palmar surface
95
Flexor pollicis longus ACTION
Thumb IP flexion | Assists in MCP and CMC flexion and wrist flexion
96
Flexor pollicis longus NERVE
Anterior interosseus n. (C6,7,8,T1)
97
Flexor pollicis brevis ORIGIN
Superficial head: Flexor retinaculum and Trapezium bone Deep head: Trapezoid and Capitate bones
98
Flexor pollicis brevis INSERTION
Base of proximal phalanx of thumb, radial side, and extensor expansion
99
Flexor pollicis brevis ACTION
Flexion of MCP & CMC joints of thumb Thumb opposition May extend IP joint
100
Flexor pollicis brevis NERVE
Superficial head: Median n. (C6,7,8,T1), Deep head: Ulnar n. (C8,T1)
101
Pronator quadratus ORIGIN
Anteromedial surface of distal ¼ of ulna
102
Pronator quadratus INSERTION
Anterolateral surface of distal ¼ of radius
103
Pronator quadratus ACTION
Pronate forearm
104
Pronator quadratus NERVE
Anterior interosseus n. (C7,8,T1)
105
Abductor pollicis brevis ORIGIN
Flexor retinaculum, tubercle of scaphoid and trapezium
106
Abductor pollicis brevis INSERTION
Lateral aspect of base of proximal phalanx of thumb and extensor expansion
107
Abductor pollicis brevis ACTION
Palmar abduction of CMC and MCP of thumb Extend thumb IP joint Assists in opposition, flexion and MR of CMC joint
108
Abductor pollicis brevis NERVE
Median n. (C6,7,8,T1)
109
Opponens pollicis ORIGIN
Flexor retinaculum | Tubercle of trapezium bone
110
Opponens pollicis INSERTION
Entire length of first metacarpal bone, radial side
111
Opponens pollicis ACTION
Opposes thumb CMC
112
Opponens pollicis NERVE
Median (C6,7,8,T1)
113
Lumbricals (UE) ORIGIN
1 and 2nd: Radial surface of flexor profundus tendons of index and middle fingers, respectively 3rd: Adjacent sides of flexor profundus tendons of middle and ring fingers 4th: Adjacent sides of flexor profundus tendons of ring and little fingers"
114
Lumbricals (UE) INSERTION
Into the radial border of the extensor expansion on the dorsum of the respective digits
115
Lumbricals (UE) ACTION
Extends IP joint and simultaneously flex MCP joints of 2-5th digits Extend IP joints with MCP extended
116
Lumbricals (UE) NERVE
1st and 2nd: Median (C6,7,8,T1) | 3rd and 4th: Ulnar C7,8,T1)
117
Flexor carpi ulnaris ORIGIN
Humeral head: Common flexor tendon from medial epicondyle of humerus Ulnar head: Medial margin of olecranon via aponeorosis Proximal 2/3 of posterior border of ulna Deep antebrachial fascia
118
Flexor carpi ulnaris INSERTION
Pisiform bone and by ligaments to hamate and 5th metacarpal bones
119
Flexor carpi ulnaris ACTION
Flexion and ulnar deviation of wrist | Assists in elbow flexion
120
Flexor carpi ulnaris NERVE
Ulnar n. (C6,7,8,T1)
121
Abductor digiti minimi ORIGIN
Tendon of flexor carpi ulnaris and PISIFORM bone
122
Abductor digiti minimi INSERTION
By 2 slips, one into base of proximal phalanx of little finger, ulnar side, 2nd into the ulnar border of the extensor expansion
123
Abductor digiti minimi ACTION
Abduct small finger MP joint Assists in opposition and flexion of CMC of 5th digit Assists in extension of IP joint
124
Abductor digiti minimi NERVE
Ulnar n. (C7,8,T1)
125
Flexor digiti minimi ORIGIN
Hook of hamate, and flexor retinaculum
126
Flexor digiti minimi INSERTION
Base of proximal phalanx of 5th digit, ulnar side
127
Flexor digiti minimi ACTION
Flexion of MCP joint of little finger | Assists in opposition
128
Flexor digiti minimi NERVE
Ulnar n. (C7,8,T1)
129
Opponens digiti minimi ORIGIN
Hook of hamate | Flexor retinaculum
130
Opponens digiti minimi INSERTION
Entire length of 5th metacarpal, ulnar side
131
Opponens digiti minimi ACTION
Opposes 5th CMC joint
132
Opponens digiti minimi NERVE
Ulnar n. (C7,8,T1)
133
Interossei (UE) ORIGIN
DORSAL: 1st Lateral head: Proximal ½ of ulnar border of 1st metacarpal bone 1st Medial head: Radial border of 2nd metacapal bone 2-4th: Adjacent sides of metacarpal bones in each interspace PALMAR: 1st: Length of 2nd metacarpal bone, ulnar side 2nd: Length of 4th metacarpal bone, radial side 3rd: Length of 5th metacarpal bone, radial side
134
Interossei (UE) INSERTION
``` Into extensor expansion and to base of proximal phalanx as follows: 1st: Radial side of 2nd digit, chiefly to base of proximal phalanx 2nd: Radial side of 3rd digit 3rd: Ulnar side of 3rd digit into extensor expansion 4th: Ulnar side of 4th digit ``` Chiefly into the extensor expansion of the respective digit, with possible attachment to the base of proximal phalanx as follows: 1-Ulnar side of 2nd digit 2-Radial side of 4th digit 3-Radial side of 5th digit
135
Interossei (UE) ACTION
DORSAL: ABD of digits 2-4 from axial line through third digit Assists in MCP flexion and extension of IP joint of digits 2-4 1st dorsal interossei assists with thumb ADD PALMAR: ADD of digits 2,4, and 5 Assists in MCP flexion and extension of IP of digits 2,4, and 5
136
Interossei (UE) NERVE
Ulnar n. (C8,T1)
137
Adductor Pollicis ORIGIN
Oblique fibers: Capitate bone, bases of 2nd and 3rd metacarpals Transverse fibers: Palmar surface of 3rd metacarpal
138
Adductor Pollicis INSERTION
Oblique head: Into extensor expansion Transverse head: Into ulnar side of base of proximal phalanx of thumb
139
Adductor Pollicis ACTION
ADD of CMC Assists in flexion of MCP joint of thumb Assists thumb opposition and extension of IP joint
140
Adductor Pollicis NERVE
Ulnar n. (C8,T1)
141
Triceps Brachii ORIGIN
Long head: Infraglenoid tubercle of scapula Lateral head: Lateral and posterior surface of proximal ½ of body of humerus, lateral intermuscular septum Medial head: Distal 2/3 of medial and posterior surface of humerus below the radial groove, and from medial intermuscular septum
142
Triceps Brachii INSERTION
Posterior surface of olecranon process of ulna and antebrachial fascia
143
Triceps Brachii ACTION
Extend elbow Long head: Assists in ADD and extension of shoulder
144
Triceps Brachii NERVE
Radial n. (C6,7,8,T1)
145
Anconeus ORIGIN
Lateral epicondyle of humerus, posterior surface
146
Anconeus INSERTION
Lateral side of olecranon process, upper ¼ of posterior surface of body of ulna
147
Anconeus ACTION
Extend elbow, stabilize ulna during pronation & supination
148
Anconeus NERVE
Radial n. (C7,8)
149
Brachioradialis ORIGIN
Proximal 2/3 of lateral supracondylar ridge of humerus, lateral intermuscular septum
150
Brachioradialis INSERTION
Lateral side of base of styloid process of radius
151
Brachioradialis ACTION
Elbow flexion | Assists in pronation & supination of forearm
152
Brachioradialis NERVE
Radial n. (C5,6)
153
Extensor carpi radialis longus ORIGIN
Distal 1/3 of lateral supracondylar ridge of humerus and lateral intermuscular septum
154
Extensor carpi radialis longus INSERTION
Dorsal surface of base of 2nd metacarpal bone, radial side
155
Extensor carpi radialis longus ACTION
Extends and radially deviates wrist | Assists in elbow flexion
156
Extensor carpi radialis longus NERVE
Radial n. (C5,6,7,8)
157
Extensor carpi radialis brevis ORIGIN
Common extensor tendon from lateral epicondyle of humerus, radial collateral ligament of elbow joint, and deep antebrachial fascia
158
Extensor carpi radialis brevis INSERTION
Dorsal surface of base of 3rd metacarpal bone
159
Extensor carpi radialis brevis ACTION
Extends wrist | Assist in wrist radial deviation
160
Extensor carpi radialis brevis NERVE
Radial - posterior interosseus n. (C6,7,8)
161
Extensor digitorum ORIGIN
Common extensor tendon from lateral epicondyle of humerus, and deep antebrachial fascia
162
Extensor digitorum INSERTION
By 4 tendons to extensor expansion on the dorsum of digits 2-5, attaching to the sagittal bands and then dividing over the proximal phalanx into a medial and two lateral bands. MEDIAL BAND: Into the base of the middle phalanx (central slip) LATERAL BANDS: Reunite over the middle phalanx and insert into the base of the distal phalanx (terminal tendon)
163
Extensor digitorum ACTION
Extend MCP joint and in conjunction with lumbricals and interossei, Extend IP joints of digits 2-5 Assist in abducting digits 2,4 and 5 Extend and radial deviate wrist
164
Extensor digitorum NERVE
Radial - posterior interosseus n. (C6,7,8)
165
Extensor digiti minimi ORIGIN
Common extensor tendon from lateral epicondyle of humerus & deep antebrachial fascia
166
Extensor digiti minimi INSERTION
Into extensor expansion of little finger with extensor | digitorum tendon
167
Extensor digiti minimi ACTION
Extend MCP joint Extend IP joints of little finger in conjunction with lumbricals and interossei Assist in ABD of 5th digit
168
Extensor digiti minimi NERVE
Radial - posterior interosseus n. (C6,7,8)
169
Extensor carpi ulnaris ORIGIN
Common extensor tendon from lateral epicondyle of humerus by aponeurosis from posterior border of ulna & deep antebrachial fascia
170
Extensor carpi ulnaris INSERTION
Base of 5th metacarpal bone, ulnar side
171
Extensor carpi ulnaris ACTION
Extend and ulnarly deviate wrist
172
Extensor carpi ulnaris NERVE
Radial - posterior interosseus n. (C6,7,8)
173
Extensor indicis ORIGIN
Posterior surface of body of ulna distal to origin of extensor pollicis longus & interosseus membrane
174
Extensor indicis INSERTION
Into extensor expansion of index finger with extensor digitorum longus tendon
175
Extensor indicis ACTION
Extend MCP joint Extend IP joint of index finger in conjunction with lumbricals and interossei Assist in adduction of index
176
Extensor indicis NERVE
Radial n. (C6,7,8)
177
Abductor pollicis longus ORIGIN
Posterior surface of body of ulna distal to origin of supinator, interosseus membrane, and posterior surface of middle 1/3 of body of radius
178
Abductor pollicis longus INSERTION
Base of 1st metacarpal bone, radial side
179
Abductor pollicis longus ACTION
Extend CMC joint of thumb with slight abduction Wrist radial deviation Assists wrist flexion
180
Abductor pollicis longus NERVE
Radial n. (C6,7,8)
181
Extensor pollicis longus ORIGIN
middle 1/3 of posterior surface of ulna distal to origin of APL & interosseus membrane
182
Extensor pollicis longus INSERTION
Base of distal phalanx of thumb, dorsal surface
183
Extensor pollicis longus ACTION
Extend IP joint of thumb Assists thumb MCP and CMC extension Assists in radial deviation and extension of wrist
184
Extensor pollicis longus NERVE
Radial n. (C6,7,8)
185
Extensor pollicis brevis ORIGIN
Posterior surface of body of radius distal to origin of APL and interosseus membrane
186
Extensor pollicis brevis INSERTION
Base of proximal phalanx of thumb, dorsal surface
187
Extensor pollicis brevis ACTION
Extend thumb MCP joint Extend and abduct CMC joint Assists in wrist radial deviation
188
Extensor pollicis brevis NERVE
Radial n. (C6,7,8)
189
Supinator ORIGIN
Lateral epicondyle of humerus, radial collateral ligament of elbow joint, annular ligament of radius, and supinator crest of ulna
190
Supinator INSERTION
Lateral surface of upper 1/3 of body of radius covering part of anterior and post surface
191
Supinator ACTION
Supinate forearm
192
Supinator NERVE
Radial - posterior interosseus n. (C5,6,7)
193
Coracobrachialis ORIGIN
Apex of coracoid process of scapular
194
Coracobrachialis INSERTION
Medial surface of middle of shaft of humerus, opposite deltoid tuberosity
195
Coracobrachialis ACTION
Flexion and adduction of shoulder
196
Coracobrachialis NERVE
Musculocutaneous (C6,7)
197
Biceps Brachii ORIGIN
"Short head Apex of coracoid process of scapula Long head Supraglenoid tubercle of scapula"
198
Biceps Brachii INSERTION
Radial tuberosity, aponeurosis | of biceps brachii
199
Biceps Brachii ACTION
Long head: Evidence is unclear regarding role of LHBT at the shoulder. May passively restrict humeral anterior and superior translation. Origin fixed: Elbow flexion moving forearm toward humerus, forearm supination Insertion fixed: Elbow flexion moving humerus toward forearm May contribute to scapular anterior tilt Shoulder flexion
200
Biceps Brachii NERVE
Musculocutaneous (C5,6)
201
Brachialis ORIGIN
Distal ½ of anterior surface of humerus, medial and lateral intermuscular septa
202
Brachialis INSERTION
Tuberosity and coronoid process of ulna
203
Brachialis ACTION
Elbow flexion
204
Brachialis NERVE
Musculocutaneous (C5,6)

Anatomy (8 decks)

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