Upper Extremity, Snell Flashcards
(266 cards)
1
Q
Base of the breast extends from which ribs
A
2nd to 6th
2
Q
Base of the breast extends from which lines
A
Margin of sternum to midaxillary line
3
Q
Superficial vs deep fascia: Greater part of mammary gland
A
Superficial
4
Q
Part of mammary gland that pierces the deep fascia
A
Axillary tail
5
Q
Mammary glands are separated from deep fascia by loose areolar tissue called
A
Retromammary space
6
Q
Each mammary gland consists of ___ lobes
A
15-20
7
Q
Acts as a small reservoir for secreted milk
A
Lactiferous sinus
8
Q
Blood supply of breast (2)
A
1) Lateral thoracic and thoracoacromial from axillary artery
2) Perforating branches of the internal thoracic and intercostal arteries
9
Q
Breast lymphatics: Lateral quadrants
A
Anterior axillary or pectoral nodes
10
Q
Breast lymphatics: Medial quadrants
A
Internal thoracic nodes
11
Q
Bones of the shoulder girdle (2)
A
1) Scapula
2) Clavicle
12
Q
Most common fractured bone in the body
A
Clavicle
13
Q
Clavicular fracture is MOST COMMONLY due to
A
Fall on the shoulder or outstretched hand
14
Q
Clavicle: Articulates medially with (2)
A
1) Sternum
2) First costal cartilage
15
Q
Clavicle: Articulates laterally with
A
Scapula
16
Q
Clavicle: Convex forward
A
Medial 2/3
17
Q
Clavicle: Concave forward
A
Lateral 1/3
18
Q
Scapula: Articulates with the clavicle
A
Acromion
19
Q
Scapula: Articulates with the head of humerus
A
Glenoid fossa
20
Q
Scapula: Medial to the base of the coracoid process
A
Suprascapular notch
21
Q
Scapula: Concave anterior surface
A
Subscapular fossa
22
Q
Humerus: Articulates with glenoid fossa
A
Head
23
Q
Humerus: Immediately below the head
A
Anatomical neck
24
Q
Humerus: Below the anatomic neck
A
Greater and lesser tuberosities
25
Humerus: Greater and lesser tuberosities are separated from each other by
Bicipital groove
26
Humerus: Distal to the tuberosities
Surgical neck
27
Humerus: Roughened area approximately halfway down the lateral aspect of shaft
Deltoid tuberosity
28
Humerus: Behind and below the deltoid tuberosity
Spiral groove for the radial nerve
29
Humerus: Articulates with head of radius
Capitulum
30
Humerus: Articulates with ulna
Trochlea
31
Humerus: Lies above the capitulum and receives the head of the radius in full flexion of elbow joint
Radial fossa
32
Humerus: Above the trochlea anteriorly, this receives the ulna during full flexion of elbow joint
Coronoid fossa
33
Humerus: Above the trochlea posteriorly, this receives the ulna when elbow is fully extended
Olecranon fossa
34
Upper end vs lower end: Head of radius
Upper
35
Radius: Articulates with the capitulum of humerus
Upper concave surface of head
36
Radius: Articulates with the radial notch of ulna
Circumference of head
37
Radius: Below the neck
Bicipital tuberosity
38
Radius: Inserts at the bicipital tuberosity
Biceps brachii
39
Radius: Attaches to the sharp interosseous border at the shaft
Interosseous membrane
40
Lateral vs medial: Styloid process of radius
Lateral
41
Radius: Articulates with head of ulna
Ulnar notch
42
Radius: Inferior surface of lower end articulates with (2)
1) Scaphoid
| 2) Lunate
43
Radius: Posterior surface of the lower end
Dorsal tubercle
44
Radius: Dorsal tubercle is grooved on its medial side by the tendon of
ExPoLo
45
Ulna: Large upper end that forms the prominence of the elbow
Olecranon process
46
Ulna: Lies on the anterior surface of the olecranon process
Trochlear notch
47
Ulna: Below the trochlear notch
Coronoid process
48
Ulna: On the lateral surface of the coronoid process
Radial notch
49
Upper vs lower end: Head of ulna
Lower
50
Medial vs lateral: Styloid process of ulna
Medial
51
Carpal bones: #
8
52
Carpal bones: Name in order (lat-med; proximal-distal)
Some Lovers Try Positions That They Can't Handle
1) Scaphoid (navicular)
2) Lunate
3) Triquetral
4) Pisiform
5) Trapezium
6) Trapezoid
7) Capitate
8) Hamate
53
Concavity vs convexity: Formed by carpal bones on anterior surface
Concavity
54
Carpal bones: Attached to the lateral and medial edges anteriorly
Flexor retinaculum
55
Contents of carpal tunnel (2)
1) Median nerve
| 2) Long flexor tendons of the fingers
56
Compressed in carpal tunnel syndrome
Median nerve
57
Flexor muscle that does not pass beneath the flexor retinaculum
Palmaris longus
58
Metacarpal bones: Form the knuckles
Heads
59
Metacarpal bones: Heads articulate with
Proximal phalanges
60
Phalanges: # per finger
3 except thumb (2)
61
Shoulder joint: Fibrocartilaginous rim that deepens the glenoid cavity
Glenoid labrum
62
Shoulder joint: Type of joint
Synovial ball-and-socket
63
Shoulder joint: Capsule strengthened by tendons of
1) Supraspinatus superiorly
2) Infraspinatus and Teres minor posteriorly
3) Subscapularis anteriorly
64
Shoulder joint: Stabilizers
Rotator cuff muscles
65
Shoulder joint: Rotator cuff muscles
SITS
1) Supraspinatus
2) Infraspinatus
3) Teres minor
4) Subscapularis
66
Shoulder joint, ligament: Strengthen the anterior part of the capsule
Glenohumeral ligaments
67
Shoulder joint, ligament: Bridges the gap between the greater and lesser tuberosities of humerus and holds tendon of long head of biceps in place
Transverse humeral ligament
68
Shoulder joint, ligament: Strengthens superior part of the capsule
Coracohumeral ligament
69
Shoulder joint, ligament: Protects the superior aspect of the joint
Coracoacromial ligament
70
Shoulder joint: The synovial membrane surrounds the tendon of
Biceps muscle
71
Shoulder joint: Synovial membrane protrudes forward through the capsule forming a bursa beneath
Subscapularis muscle
72
Shoulder joint: Weakest part
Inferior
73
Shoulder joint: Subglenoid dislocation into the quadrangular space can cause damage to what structure
Axillary nerve
74
Shoulder joint: Axillary nerve injury causes (2)
1) Paralysis of deltoid
2) Loss of skin sensation over lower half of deltoid
3) Weak lateral rotation (teres minor)
75
Shoulder joint: The quadrangular space contains (2)
1) Posterior humeral circumflex artery
| 2) Axillary nerve
76
Shoulder joint relations: Anterior (2)
1) Brachial plexus
| 2) Axillary vessels
77
Shoulder joint relations: Inferior
1) Axillary nerve
| 2) Posterior circumflex humeral vessels
78
Elbow: Type of joint
Synovial hinge
79
Elbow, medial vs lateral collateral ligament: Closely related to ulnar nerve
Medial
80
Elbow: Fracture/dislocation damages what nerve/vessel
Ulnar nerve
81
Elbow: Muscles that produce flexion
1) Biceps
2) Brachialis
3) Brachioradialis
4) Pronator teres
82
Elbow: Muscles that produce extension
1) Triceps
| 2) Anconeus
83
Elbow: Angle seen when elbow joint is extended and lies between arm and forearm
Carrying angle
84
Elbow: Carrying angle in males
170
85
Elbow: Carrying angle in females
167
86
Elbow relations: Anterior (2)
1) Median nerve
| 2) Brachial artery
87
Elbow relations: Medial
Ulnar nerve as it passes behind the medial epicondyle of the humerus
88
Superior radioulnar joint: Consists of
1) Circumference of radial head
2) Radial notch
3) Annular ligament
89
Superior radioulnar joint: Forms a collar around the radial head of radius
Annular ligament
90
Superior radioulnar joint: Pronation (2)
1) Pronator teres
| 2) Pronator quadratus
91
Superior radioulnar joint: Supination
1) Supinator muscles
| 2) Biceps
92
Supination vs pronation: More powerful
Supination
93
Inferior radioulnar joint: Components
1) Ulnar head
| 2) Ulnar notch
94
Inferior radioulnar joint: Type of joint
Synovial pivot
95
Inferior radioulnar joint: Shuts off the joint from wrist joint
Articular disc
96
Wrist joint/Radiocarpal joint: Type
Synovial condyloid
97
Wrist joint/Radiocarpal joint: Ligament/s that connect/s the styloid process of ulna to triquetral
Medial
98
Wrist joint/Radiocarpal joint: Ligament/s that connect/s the styloid process of the radius to the scaphoid bone
Lateral
99
Wrist joint/Radiocarpal joint: Nerve supply
1) Anterior interosseous nerve from median nerve
| 2) Deep branches of radial and ulnar nerves
100
Wrist joint/Radiocarpal joint, T/F: Rotation is possible
F
101
Wrist joint/Radiocarpal joint: Flexion (6)
1) Palmaris longus
2) Flexor carpi radialis
3) Flexor carpi ulnaris
4) Flexor digitorum superficialis
5) Flexor digitorum profundus
6) Flexor pollicis longus
102
Wrist joint/Radiocarpal joint: Extension (7)
1) Extensor carpi radialis longus
2) Extensor carpi radialis brevis
3) Extensor carpi ulnaris
4) Extensor digitorum
5) Extensor pollicis longus
6) Extensor indicis
7) Extensor digiti minimi
103
Wrist joint/Radiocarpal joint: Adduction (2)
1) Flexor carpi ulnaris
| 2) Extensor carpi ulnaris
104
Wrist joint/Radiocarpal joint relations: Anterior (2)
1) Median nerve
| 2) Ulnar nerve
105
Wrist joint/Radiocarpal joint relations: Lateral
Radial artery
106
Carpometacarpal joints: Type of joint
Synovial gliding
107
Carpometacarpal joints: Thumb, type of joint
Synovial saddle
108
Carpometacarpal joint of thumb: Flexion (2)
1) Flexor pollicis longus and brevis
| 2) Opponens pollicis
109
Carpometacarpal joint of thumb: Extension
Expolo and expobre
110
Carpometacarpal joint of thumb: Abduction
Abpolo and abpobre
111
Carpometacarpal joint of thumb: Adduction
Adductor pollicis
112
Carpometacarpal joint of thumb: Rotation/opposition
Opponens pollicis
113
Metacarpophalangeal joints: Type of joint
Synovial condyloid
114
Metacarpophalangeal joints: Ligaments
Palmar
115
Metacarpophalangeal joints: Flexion (4)
1) Interossei
2) Lumbricals
3) Flexor digitorum superficialis
4) Flexor digitorum profundus
116
Metacarpophalangeal joints: Extension
1) Extensor digitorum
2) Extensor indicis
3) Extensor digiti minimi
117
Metacarpophalangeal joints: Abduction (away from midline of 3rd finger)
Dorsal interossei
118
Metacarpophalangeal joints: Adduction (toward midline of 3rd finger)
Palmar interossei
119
Interphalangeal joints: Type of joint
Synovial hinge
120
Muscles connecting the upper limb to the vertebral column (5)
1) Trapezius
2) Latissimus dorsi
3) Levator scapula
4) Rhomboid minor
5) Rhomboid major
121
Muscles connecting the upper limb to the thoracic wall (4)
1) Pectoralis major
2) Pectoralis minor
3) Subclavius
4) Serratus anterior
122
Muscles connecting the scapula to the humerus (6)
1) Supraspinatus
2) Infraspinatus
3) Teres minor
4) Teres major
5) Subscapularis
6) Deltoid
123
Axilla, base: Anterior
Anterior axillary fold (inferior border of pectoralis major)
1) Pectoralis major
2) Pectoralis minor
3) Subclavius
124
Axilla, base: Posterior
Posterior axillary fold (tendon of latissimus dorsi and teres major)
125
Axilla, base: Medial
Chest wall
126
Axilla: Contents (3)
1) Axillary vessels
2) Brachial plexus
3) Lymph nodes
127
Axillary sheath: Contents
1) Axillary vessels
| 2) Brachial plexus
128
Axillary sheath: Continuous above with
Prevertebral layer of deep cervical fascia
129
Nerve supply: Latissimus dorsi
Thoracodorsal nerve
130
Nerve supply: Rhomboids
Dorsal scapular nerve
131
Action: Latissimus dorsi
1) Extends
2) Adducts
3) Medially rotates the arm
132
Action: Raises medial border of scapula
Levator scapula
133
Nerve supply: Serratus anterior
Long thoracic nerve
134
Nerve supply: Deltoid
Axillary nerve
135
Nerve supply: Teres minor
Axillary nerve
136
Action: Supraspinatus
Abducts arm
137
Action: Infraspinatus
Laterally rotates arm
138
Action: Teres minor
Laterally rotates arm
139
Action: Subscapularis
Medially rotates arm
140
Boundaries of quadrangular space: Superior
Subscapularis
141
Boundaries of quadrangular space: Inferior
Teres major
142
Boundaries of quadrangular space: Lateral
Surgical neck of humerus
143
Boundaries of quadrangular space: Medial
Long head of triceps
144
Cubital fossa: Shape
Triangular
145
Cubital fossa boundaries: Lateral
Brachioradialis
146
Cubital fossa boundaries: Medial
Pronator teres
147
Cubital fossa boundaries: Base
Imaginary line between two epicondyles of humerus
148
Cubital fossa contents: Superficial fascia (2)
1) Basilic
| 2) Cephalic
149
Forearm: Compartments
1) Anterior
2) Posterior
3) Lateral
150
Forearm: Position in function (most stable position)
Midprone
151
Forearm: Muscles of anterior compartment (8)
1) Pronator teres
2) Pronator quadratus
3) Flexor carpi radialis
4) Flexor carpi ulnaris
5) Flexor digitorum superficialis
6) Flexor digitorum profundus
7) Flexor pollicis longus
8) Palmaris longus
152
Forearm: Muscle often absent in anterior compartment
Palmaris longus
153
Forearm: Muscles of posterior compartment (10)
1) Anconeus
2) Abductor pollicis longus
3) Supinator
4) Extensor carpi radialis brevis
5) Extensor carpi ulnaris
6) Extensor digitorum
7) Extensor pollicis longus
8) Extensor pollicis brevis
9) Extensor indicis
10) Extensor digiti minimi
154
Forearm: Muscles of lateral compartment (2)
1) Brachioradialis
| 2) Extensor carpi radialis longus
155
Forearm, nerve supply: Lateral compartment
Radial nerve
156
Forearm, nerve supply: Posterior compartment
Deep branch of radial nerve
157
Forearm, nerve supply: Flexor carpi ulnaris
Ulnar nerve
158
Carpal tunnel: Median nerve lies between (2)
1) Flexor carpi radialis
| 2) Flexor digitorum superficialis
159
Hand: Palmar aponeurosis is continuous proximally with
Plamaris longus tendon
160
Hand: T/F Palmaris longus is attached to flexor retinaculum
T
161
Hand, lumbricals: #
4
162
Hand, palmar interossei: #
4
163
Hand, dorsal interossei: #
4
164
Hand, origin: Lumbricals
Tendon of flexor digitorum profundus
165
Hand, origin: Palmar interossei
1st, 2nd, 4th, and 5th metacarpals
166
Hand, origin: Dorsal interossei
Contiguous sides of 5 metacarpals
167
Hand: Muscle that inserts to the skin of the palm
Palmaris brevis
168
Hand, nerve supply: Palmar interossei
Deep branch of ulnar nerve
169
Axillary artery: Begins at
Lateral border of first rib
170
Axillary artery: Continuation of
Subclavian artery
171
Axillary artery: Becomes the ___ artery at the lower border of teres MAJOR
Brachial
172
Axillary artery: Divided into 3 parts by
Pectoralis minor
173
Axillary artery: Branches per part (#)
1,2,3
174
Axillary artery: Branch of first part
Highest thoracic
175
Axillary artery: Branches of 2nd part
1) Thoracoacromial
| 2) Lateral thoracic
176
Axillary artery: Branches of 3rd part
1) Subscapular
2) Anterior circumflex
3) Posterior circumflex
177
Brachial artery: End
Radial neck
178
Brachial artery: Branch to bone
Nutrient artery to humerus
179
Brachial artery: Branch that accompanies radial nerve at spiral groove
Profunda artery
180
Brachial artery: Smaller branch
Radial artery
181
Radial artery: Compartments of forearm supplied
Anterior and lateral
182
Radial artery: Joins the deep branch of ulnar artery at the palm to form the
Deep palmar arch
183
Radial artery: Superficial palmar branch joins the ulnar artery to form the
Superficial palmar arch
184
Radial artery: Branch that takes part in the arterial anastomosis around the elbow joint
Recurrent
185
Radial artery: Pulse taken between
1) Brachioradialis laterally
| 2) Flexor carpi radialis medially
186
Ulnar artery: Pulse
Anterior to the flexor retinaculum, lateral to the pisiform
187
Ulnar artery: Branch that takes part in the arterial anastomosis around elbow joint
Recurrent
188
Ulnar artery: Divides at the interosseous membrane
Common interosseous artery
189
Ulnar artery: Branch that joins the radial artery forming a palmar arch
Deep palmar branch
190
T/F: Ligation of arteries of upper limb causes gangrene
F
191
Pulse: Axillary artery
3rd part anterior to teres major
192
Pulse: Brachial artery
Anterior to the brachialis muscle, medial to the biceps brachii tendon
193
Superficial veins of upper limb: Drained on the lateral side by
Cephalic vein
194
Superficial veins of upper limb: Drained on medial side by
Basilic vein
195
Cephalic vein: Pierces deep fascia to join
Axillary vein
196
Basilic vein: Pierces deep fascia to join
2 venae comitantes of brachial artery to form the axillary vein
197
Superficial veins of upper limb: Connects cephalic and basilic vein
Median cubital vein
198
Median cubital vein: Location
Anterior to the bicipital aponeurosis
199
Superficial veins of upper limb: Commonly used for central venous catheterization
Basilic vein
200
Deep veins of upper limb
Venae comitantes
201
Lymphatic drainage of upper limb: All vessels ultimately drain into
Axillary nodes
202
Axillary LN: Lower border of pectoralis minor and behind pectoralis major
Anterior/pectoral
203
Lymphatic drainage of upper limb: Anterior/pectoral nodes receive lymph from
1) Lateral breast
| 2) Thoracoabdominal wall above umbilicus
204
Lymphatic drainage of upper limb: In front of subscapularis
Posterior/subscapular
205
Lymphatic drainage of upper limb: Posterior/subscapular nodes receive lymph from
Superficial back as far as iliac crest
206
Lymphatic drainage of upper limb: Along axillary vein
Lateral
207
Lymphatic drainage of upper limb: Lateral nodes receive lymph from
Most of the upper limb except superficial lateral side
208
Lymphatic drainage of upper limb: Center of axilla
Central
209
Lymphatic drainage of upper limb: Central nodes receive lymph from
All that drain into anterior, posterior, and lateral nodes
210
Lymphatic drainage of upper limb: Outside the axilla, between the deltoid and pectoralis major
Infraclavicular/deltopectoral
211
Lymphatic drainage of upper limb: Infraclavicular/deltopectoral nodes receive lymph from
1) Lateral side of hand
2) Forearm
3) Arm
4) Vessels that accompany the cephalic vein
212
Lymphatic drainage of upper limb: Apex of axilla
Apical
213
Lymphatic drainage of upper limb: Apical nodes receive lymph from
All other axillary nodes
214
Lymphatic drainage of upper limb: Apical nodes drain into
Subclavian trunk
215
Lymphatic drainage of upper limb: Superficial fascia in the cubital fossa
Supratrochlear/cubital
216
Lymphatic drainage of upper limb: Supratrochlear/cubital node receives lymph from
1) Medial fingers
2) Medial hand
3) Medial forearm
217
Brachial plexus: Roots enter the base of neck between
Scalenus anterior and scalenus medius
218
Brachial plexus: Trunks and division cross the
Posterior triangle of the neck
219
Brachial plexus: Cords are arranged around the
Axillary artery
220
Brachial plexus: Divided into
1) Roots
2) Trunks
3) Divisions
4) Cords
221
Posterior cords of C5,6 and 7 form
Long thoracic nerve
222
Brachial plexus: Trunks
1) Superior
2) Middle
3) Inferior
223
Brachial plexus: Divisions
1) Anterior
| 2) Posterior
224
Brachial plexus: Cords
1) Lateral
2) Posterior
3) Medial
225
Brachial plexus: Branches
1) Musculocutaneous
2) Axillary
3) Median
4) Radial
5) Ulnar
226
Brachial plexus: Superior trunk is formed by
C5,6
227
Brachial plexus: Middle trunk is formed by
C7
228
Brachial plexus: Inferior trunk is formed by
C8, T1
229
Brachial plexus: Lateral cord is formed by
Anterior divisions of superior and middle trunks
230
Brachial plexus: Posterior cord is formed by
Posterior divisions of superior, middle, and inferior trunks
231
Brachial plexus: Medial cord is formed by
Anterior division of inferior trunk
232
Brachial plexus: Branches of lateral cord (3)
1) Musculocutaneous
2) Lateral pectoral
3) Median (as it joins with medial cord)
233
Brachial plexus: Branches of superior trunk (2)
1) Suprascapular nerve
| 2) Nerve to subclavius
234
Brachial plexus: Branches of posterior cord (5)
1) Radial nerve
2) Axillary nerve
3) Upper subscapular
4) Lower subscapular
5) Thoracodorsal
235
Brachial plexus: Branches of medial cord
1) Ulnar nerve
2) Medial pectoral
3) Medial cutaneous of arm
4) Medial cutaneous of forearm
236
Brachial plexus, supplies: Long thoracic
Serratus anterior
237
Brachial plexus, supplies: Dorsal scapular
1) Rhomboids
| 2) Levator scapula
238
Brachial plexus, supplies: Suprascapular
1) Supraspinatus
| 2) Infraspinatus
239
Brachial plexus, supplies: Lateral pectoral
Pectoralis major
240
Brachial plexus, supplies: Upper subscapular
Subscapularis
241
Brachial plexus, supplies: Lower subscapular
Subscapularis and teres major
242
Brachial plexus, supplies: Thoracodorsal
Latissimus dorsi
243
Brachial plexus, supplies: Axillary nerve
1) Deltoid
2) Teres minor
3) Skin over lower half of deltoid
244
Brachial plexus, supplies: Radial nerve
1) Posterior compartment of arm
2) Posterior compartment of forearm (Deep radial branch)
3) Skin on lateral side of dorsum of hand and dorsal surface of lateral 3 1/2 fingers
245
Brachial plexus, supplies: Medial pectoral nerve
Pectoralis major and minor
246
Brachial plexus, supplies: Ulnar nerve
1) Interossei
2) Hypothenar eminence
3) 3rd and 4th lumbricals
4) Skin of medial half of dorsum and palm
5) Skin of dorsal and palmar surfaces of medial 1 1/2 fingers
247
Brachial plexus, supplies: Median nerve
1) Pronators
2) 3 thenar
3) First 2 lumbricals
4) Skin of lateral half of palm and palmar surface of lateral 3 1/2 fingers
248
Brachial plexus: Ulnar nerve in the upper arm (compartment)
Anterior
249
Brachial plexus: Ulnar nerve pierces
Medial intermuscular septum of arm
250
Brachial plexus: Ulnar nerve relation to ulnar artery in the forearm
Medial to the ulnar artery
251
Brachial plexus: Radial nerve pierces
Lateral intermuscular septum
252
Brachial plexus lesions: Displacement of head to opposite side and depression of shoulder on same side
Superior trunk lesion aka Erb-Duchenne Palsy aka Waiter's tip hand
253
Brachial plexus lesions: Traction injury as in excessive abduction
Inferior trunk lesion aka Klumpke Palsy aka Claw hand
254
Brachial plexus lesions: Blow or surgical injury to this nerve at the axilla
Long thoracic nerve lesion aka serratus anterior paralysis or Winged scapula aka Difficulty of raising arm above head
255
Brachial plexus lesions: Inferior dislocation of shoulder of fracture of surgical neck of humerus
Axillary nerve lesion aka deltoid paralysis and loss of sensation at skin over lower half of deltoid
256
Brachial plexus lesions: Fracture of midshaft of humerus
Radial nerve lesion aka wrist drop
257
Brachial plexus lesions: Supracondylar fracture of humerus or wounds proximal to flexor retinaculum
Median nerve lesion aka thenar paralysis aka apelike hand
258
Brachial plexus lesions: Claw deformity
Ulnar nerve lesion
259
Radial nerve: First branch
Recurrent branch
260
Radial nerve: Recurrent branch anastomoses with
Radial collateral artery
261
Cubital fossa contents: Medial to lateral (4)
1) Median nerve
2) Bifurcation of brachial artery into ulnar and radial
3) Biceps tendon
4) Radial nerve
262
Ulnar artery: Supplies which forearm compartment
Anterior
263
Cephalic vein: Fairly constant location
Posterior to styloid process of radius
264
Brachial plexus: Formed by
Anterior rami of C5,6,7,8 and T1
265
Brachial plexus, supplies: Musculocutaneous
1) Anterior compartment of upper arm
| 2) Skin along lateral border of forearm (lateral cutaneous nerve of forearm)
266
Brachial plexus: Musculocutaneous nerve pierces
Coracobrachialis muscle and deep fascia
