Upper Extremity, Snell Flashcards Preview

Anatomy > Upper Extremity, Snell > Flashcards

Flashcards in Upper Extremity, Snell Deck (266)
Loading flashcards...
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
Q

Humerus: Greater and lesser tuberosities are separated from each other by

A

Bicipital groove

26
Q

Humerus: Distal to the tuberosities

A

Surgical neck

27
Q

Humerus: Roughened area approximately halfway down the lateral aspect of shaft

A

Deltoid tuberosity

28
Q

Humerus: Behind and below the deltoid tuberosity

A

Spiral groove for the radial nerve

29
Q

Humerus: Articulates with head of radius

A

Capitulum

30
Q

Humerus: Articulates with ulna

A

Trochlea

31
Q

Humerus: Lies above the capitulum and receives the head of the radius in full flexion of elbow joint

A

Radial fossa

32
Q

Humerus: Above the trochlea anteriorly, this receives the ulna during full flexion of elbow joint

A

Coronoid fossa

33
Q

Humerus: Above the trochlea posteriorly, this receives the ulna when elbow is fully extended

A

Olecranon fossa

34
Q

Upper end vs lower end: Head of radius

A

Upper

35
Q

Radius: Articulates with the capitulum of humerus

A

Upper concave surface of head

36
Q

Radius: Articulates with the radial notch of ulna

A

Circumference of head

37
Q

Radius: Below the neck

A

Bicipital tuberosity

38
Q

Radius: Inserts at the bicipital tuberosity

A

Biceps brachii

39
Q

Radius: Attaches to the sharp interosseous border at the shaft

A

Interosseous membrane

40
Q

Lateral vs medial: Styloid process of radius

A

Lateral

41
Q

Radius: Articulates with head of ulna

A

Ulnar notch

42
Q

Radius: Inferior surface of lower end articulates with (2)

A

1) Scaphoid

2) Lunate

43
Q

Radius: Posterior surface of the lower end

A

Dorsal tubercle

44
Q

Radius: Dorsal tubercle is grooved on its medial side by the tendon of

A

ExPoLo

45
Q

Ulna: Large upper end that forms the prominence of the elbow

A

Olecranon process

46
Q

Ulna: Lies on the anterior surface of the olecranon process

A

Trochlear notch

47
Q

Ulna: Below the trochlear notch

A

Coronoid process

48
Q

Ulna: On the lateral surface of the coronoid process

A

Radial notch

49
Q

Upper vs lower end: Head of ulna

A

Lower

50
Q

Medial vs lateral: Styloid process of ulna

A

Medial

51
Q

Carpal bones: #

A

8

52
Q

Carpal bones: Name in order (lat-med; proximal-distal)

A

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
Q

Concavity vs convexity: Formed by carpal bones on anterior surface

A

Concavity

54
Q

Carpal bones: Attached to the lateral and medial edges anteriorly

A

Flexor retinaculum

55
Q

Contents of carpal tunnel (2)

A

1) Median nerve

2) Long flexor tendons of the fingers

56
Q

Compressed in carpal tunnel syndrome

A

Median nerve

57
Q

Flexor muscle that does not pass beneath the flexor retinaculum

A

Palmaris longus

58
Q

Metacarpal bones: Form the knuckles

A

Heads

59
Q

Metacarpal bones: Heads articulate with

A

Proximal phalanges

60
Q

Phalanges: # per finger

A

3 except thumb (2)

61
Q

Shoulder joint: Fibrocartilaginous rim that deepens the glenoid cavity

A

Glenoid labrum

62
Q

Shoulder joint: Type of joint

A

Synovial ball-and-socket

63
Q

Shoulder joint: Capsule strengthened by tendons of

A

1) Supraspinatus superiorly
2) Infraspinatus and Teres minor posteriorly
3) Subscapularis anteriorly

64
Q

Shoulder joint: Stabilizers

A

Rotator cuff muscles

65
Q

Shoulder joint: Rotator cuff muscles

A

SITS

1) Supraspinatus
2) Infraspinatus
3) Teres minor
4) Subscapularis

66
Q

Shoulder joint, ligament: Strengthen the anterior part of the capsule

A

Glenohumeral ligaments

67
Q

Shoulder joint, ligament: Bridges the gap between the greater and lesser tuberosities of humerus and holds tendon of long head of biceps in place

A

Transverse humeral ligament

68
Q

Shoulder joint, ligament: Strengthens superior part of the capsule

A

Coracohumeral ligament

69
Q

Shoulder joint, ligament: Protects the superior aspect of the joint

A

Coracoacromial ligament

70
Q

Shoulder joint: The synovial membrane surrounds the tendon of

A

Biceps muscle

71
Q

Shoulder joint: Synovial membrane protrudes forward through the capsule forming a bursa beneath

A

Subscapularis muscle

72
Q

Shoulder joint: Weakest part

A

Inferior

73
Q

Shoulder joint: Subglenoid dislocation into the quadrangular space can cause damage to what structure

A

Axillary nerve

74
Q

Shoulder joint: Axillary nerve injury causes (2)

A

1) Paralysis of deltoid
2) Loss of skin sensation over lower half of deltoid
3) Weak lateral rotation (teres minor)

75
Q

Shoulder joint: The quadrangular space contains (2)

A

1) Posterior humeral circumflex artery

2) Axillary nerve

76
Q

Shoulder joint relations: Anterior (2)

A

1) Brachial plexus

2) Axillary vessels

77
Q

Shoulder joint relations: Inferior

A

1) Axillary nerve

2) Posterior circumflex humeral vessels

78
Q

Elbow: Type of joint

A

Synovial hinge

79
Q

Elbow, medial vs lateral collateral ligament: Closely related to ulnar nerve

A

Medial

80
Q

Elbow: Fracture/dislocation damages what nerve/vessel

A

Ulnar nerve

81
Q

Elbow: Muscles that produce flexion

A

1) Biceps
2) Brachialis
3) Brachioradialis
4) Pronator teres

82
Q

Elbow: Muscles that produce extension

A

1) Triceps

2) Anconeus

83
Q

Elbow: Angle seen when elbow joint is extended and lies between arm and forearm

A

Carrying angle

84
Q

Elbow: Carrying angle in males

A

170

85
Q

Elbow: Carrying angle in females

A

167

86
Q

Elbow relations: Anterior (2)

A

1) Median nerve

2) Brachial artery

87
Q

Elbow relations: Medial

A

Ulnar nerve as it passes behind the medial epicondyle of the humerus

88
Q

Superior radioulnar joint: Consists of

A

1) Circumference of radial head
2) Radial notch
3) Annular ligament

89
Q

Superior radioulnar joint: Forms a collar around the radial head of radius

A

Annular ligament

90
Q

Superior radioulnar joint: Pronation (2)

A

1) Pronator teres

2) Pronator quadratus

91
Q

Superior radioulnar joint: Supination

A

1) Supinator muscles

2) Biceps

92
Q

Supination vs pronation: More powerful

A

Supination

93
Q

Inferior radioulnar joint: Components

A

1) Ulnar head

2) Ulnar notch

94
Q

Inferior radioulnar joint: Type of joint

A

Synovial pivot

95
Q

Inferior radioulnar joint: Shuts off the joint from wrist joint

A

Articular disc

96
Q

Wrist joint/Radiocarpal joint: Type

A

Synovial condyloid

97
Q

Wrist joint/Radiocarpal joint: Ligament/s that connect/s the styloid process of ulna to triquetral

A

Medial

98
Q

Wrist joint/Radiocarpal joint: Ligament/s that connect/s the styloid process of the radius to the scaphoid bone

A

Lateral

99
Q

Wrist joint/Radiocarpal joint: Nerve supply

A

1) Anterior interosseous nerve from median nerve

2) Deep branches of radial and ulnar nerves

100
Q

Wrist joint/Radiocarpal joint, T/F: Rotation is possible

A

F

101
Q

Wrist joint/Radiocarpal joint: Flexion (6)

A

1) Palmaris longus
2) Flexor carpi radialis
3) Flexor carpi ulnaris
4) Flexor digitorum superficialis
5) Flexor digitorum profundus
6) Flexor pollicis longus

102
Q

Wrist joint/Radiocarpal joint: Extension (7)

A

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
Q

Wrist joint/Radiocarpal joint: Adduction (2)

A

1) Flexor carpi ulnaris

2) Extensor carpi ulnaris

104
Q

Wrist joint/Radiocarpal joint relations: Anterior (2)

A

1) Median nerve

2) Ulnar nerve

105
Q

Wrist joint/Radiocarpal joint relations: Lateral

A

Radial artery

106
Q

Carpometacarpal joints: Type of joint

A

Synovial gliding

107
Q

Carpometacarpal joints: Thumb, type of joint

A

Synovial saddle

108
Q

Carpometacarpal joint of thumb: Flexion (2)

A

1) Flexor pollicis longus and brevis

2) Opponens pollicis

109
Q

Carpometacarpal joint of thumb: Extension

A

Expolo and expobre

110
Q

Carpometacarpal joint of thumb: Abduction

A

Abpolo and abpobre

111
Q

Carpometacarpal joint of thumb: Adduction

A

Adductor pollicis

112
Q

Carpometacarpal joint of thumb: Rotation/opposition

A

Opponens pollicis

113
Q

Metacarpophalangeal joints: Type of joint

A

Synovial condyloid

114
Q

Metacarpophalangeal joints: Ligaments

A

Palmar

115
Q

Metacarpophalangeal joints: Flexion (4)

A

1) Interossei
2) Lumbricals
3) Flexor digitorum superficialis
4) Flexor digitorum profundus

116
Q

Metacarpophalangeal joints: Extension

A

1) Extensor digitorum
2) Extensor indicis
3) Extensor digiti minimi

117
Q

Metacarpophalangeal joints: Abduction (away from midline of 3rd finger)

A

Dorsal interossei

118
Q

Metacarpophalangeal joints: Adduction (toward midline of 3rd finger)

A

Palmar interossei

119
Q

Interphalangeal joints: Type of joint

A

Synovial hinge

120
Q

Muscles connecting the upper limb to the vertebral column (5)

A

1) Trapezius
2) Latissimus dorsi
3) Levator scapula
4) Rhomboid minor
5) Rhomboid major

121
Q

Muscles connecting the upper limb to the thoracic wall (4)

A

1) Pectoralis major
2) Pectoralis minor
3) Subclavius
4) Serratus anterior

122
Q

Muscles connecting the scapula to the humerus (6)

A

1) Supraspinatus
2) Infraspinatus
3) Teres minor
4) Teres major
5) Subscapularis
6) Deltoid

123
Q

Axilla, base: Anterior

A

Anterior axillary fold (inferior border of pectoralis major)

1) Pectoralis major
2) Pectoralis minor
3) Subclavius

124
Q

Axilla, base: Posterior

A

Posterior axillary fold (tendon of latissimus dorsi and teres major)

125
Q

Axilla, base: Medial

A

Chest wall

126
Q

Axilla: Contents (3)

A

1) Axillary vessels
2) Brachial plexus
3) Lymph nodes

127
Q

Axillary sheath: Contents

A

1) Axillary vessels

2) Brachial plexus

128
Q

Axillary sheath: Continuous above with

A

Prevertebral layer of deep cervical fascia

129
Q

Nerve supply: Latissimus dorsi

A

Thoracodorsal nerve

130
Q

Nerve supply: Rhomboids

A

Dorsal scapular nerve

131
Q

Action: Latissimus dorsi

A

1) Extends
2) Adducts
3) Medially rotates the arm

132
Q

Action: Raises medial border of scapula

A

Levator scapula

133
Q

Nerve supply: Serratus anterior

A

Long thoracic nerve

134
Q

Nerve supply: Deltoid

A

Axillary nerve

135
Q

Nerve supply: Teres minor

A

Axillary nerve

136
Q

Action: Supraspinatus

A

Abducts arm

137
Q

Action: Infraspinatus

A

Laterally rotates arm

138
Q

Action: Teres minor

A

Laterally rotates arm

139
Q

Action: Subscapularis

A

Medially rotates arm

140
Q

Boundaries of quadrangular space: Superior

A

Subscapularis

141
Q

Boundaries of quadrangular space: Inferior

A

Teres major

142
Q

Boundaries of quadrangular space: Lateral

A

Surgical neck of humerus

143
Q

Boundaries of quadrangular space: Medial

A

Long head of triceps

144
Q

Cubital fossa: Shape

A

Triangular

145
Q

Cubital fossa boundaries: Lateral

A

Brachioradialis

146
Q

Cubital fossa boundaries: Medial

A

Pronator teres

147
Q

Cubital fossa boundaries: Base

A

Imaginary line between two epicondyles of humerus

148
Q

Cubital fossa contents: Superficial fascia (2)

A

1) Basilic

2) Cephalic

149
Q

Forearm: Compartments

A

1) Anterior
2) Posterior
3) Lateral

150
Q

Forearm: Position in function (most stable position)

A

Midprone

151
Q

Forearm: Muscles of anterior compartment (8)

A

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
Q

Forearm: Muscle often absent in anterior compartment

A

Palmaris longus

153
Q

Forearm: Muscles of posterior compartment (10)

A

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
Q

Forearm: Muscles of lateral compartment (2)

A

1) Brachioradialis

2) Extensor carpi radialis longus

155
Q

Forearm, nerve supply: Lateral compartment

A

Radial nerve

156
Q

Forearm, nerve supply: Posterior compartment

A

Deep branch of radial nerve

157
Q

Forearm, nerve supply: Flexor carpi ulnaris

A

Ulnar nerve

158
Q

Carpal tunnel: Median nerve lies between (2)

A

1) Flexor carpi radialis

2) Flexor digitorum superficialis

159
Q

Hand: Palmar aponeurosis is continuous proximally with

A

Plamaris longus tendon

160
Q

Hand: T/F Palmaris longus is attached to flexor retinaculum

A

T

161
Q

Hand, lumbricals: #

A

4

162
Q

Hand, palmar interossei: #

A

4

163
Q

Hand, dorsal interossei: #

A

4

164
Q

Hand, origin: Lumbricals

A

Tendon of flexor digitorum profundus

165
Q

Hand, origin: Palmar interossei

A

1st, 2nd, 4th, and 5th metacarpals

166
Q

Hand, origin: Dorsal interossei

A

Contiguous sides of 5 metacarpals

167
Q

Hand: Muscle that inserts to the skin of the palm

A

Palmaris brevis

168
Q

Hand, nerve supply: Palmar interossei

A

Deep branch of ulnar nerve

169
Q

Axillary artery: Begins at

A

Lateral border of first rib

170
Q

Axillary artery: Continuation of

A

Subclavian artery

171
Q

Axillary artery: Becomes the ___ artery at the lower border of teres MAJOR

A

Brachial

172
Q

Axillary artery: Divided into 3 parts by

A

Pectoralis minor

173
Q

Axillary artery: Branches per part (#)

A

1,2,3

174
Q

Axillary artery: Branch of first part

A

Highest thoracic

175
Q

Axillary artery: Branches of 2nd part

A

1) Thoracoacromial

2) Lateral thoracic

176
Q

Axillary artery: Branches of 3rd part

A

1) Subscapular
2) Anterior circumflex
3) Posterior circumflex

177
Q

Brachial artery: End

A

Radial neck

178
Q

Brachial artery: Branch to bone

A

Nutrient artery to humerus

179
Q

Brachial artery: Branch that accompanies radial nerve at spiral groove

A

Profunda artery

180
Q

Brachial artery: Smaller branch

A

Radial artery

181
Q

Radial artery: Compartments of forearm supplied

A

Anterior and lateral

182
Q

Radial artery: Joins the deep branch of ulnar artery at the palm to form the

A

Deep palmar arch

183
Q

Radial artery: Superficial palmar branch joins the ulnar artery to form the

A

Superficial palmar arch

184
Q

Radial artery: Branch that takes part in the arterial anastomosis around the elbow joint

A

Recurrent

185
Q

Radial artery: Pulse taken between

A

1) Brachioradialis laterally

2) Flexor carpi radialis medially

186
Q

Ulnar artery: Pulse

A

Anterior to the flexor retinaculum, lateral to the pisiform

187
Q

Ulnar artery: Branch that takes part in the arterial anastomosis around elbow joint

A

Recurrent

188
Q

Ulnar artery: Divides at the interosseous membrane

A

Common interosseous artery

189
Q

Ulnar artery: Branch that joins the radial artery forming a palmar arch

A

Deep palmar branch

190
Q

T/F: Ligation of arteries of upper limb causes gangrene

A

F

191
Q

Pulse: Axillary artery

A

3rd part anterior to teres major

192
Q

Pulse: Brachial artery

A

Anterior to the brachialis muscle, medial to the biceps brachii tendon

193
Q

Superficial veins of upper limb: Drained on the lateral side by

A

Cephalic vein

194
Q

Superficial veins of upper limb: Drained on medial side by

A

Basilic vein

195
Q

Cephalic vein: Pierces deep fascia to join

A

Axillary vein

196
Q

Basilic vein: Pierces deep fascia to join

A

2 venae comitantes of brachial artery to form the axillary vein

197
Q

Superficial veins of upper limb: Connects cephalic and basilic vein

A

Median cubital vein

198
Q

Median cubital vein: Location

A

Anterior to the bicipital aponeurosis

199
Q

Superficial veins of upper limb: Commonly used for central venous catheterization

A

Basilic vein

200
Q

Deep veins of upper limb

A

Venae comitantes

201
Q

Lymphatic drainage of upper limb: All vessels ultimately drain into

A

Axillary nodes

202
Q

Axillary LN: Lower border of pectoralis minor and behind pectoralis major

A

Anterior/pectoral

203
Q

Lymphatic drainage of upper limb: Anterior/pectoral nodes receive lymph from

A

1) Lateral breast

2) Thoracoabdominal wall above umbilicus

204
Q

Lymphatic drainage of upper limb: In front of subscapularis

A

Posterior/subscapular

205
Q

Lymphatic drainage of upper limb: Posterior/subscapular nodes receive lymph from

A

Superficial back as far as iliac crest

206
Q

Lymphatic drainage of upper limb: Along axillary vein

A

Lateral

207
Q

Lymphatic drainage of upper limb: Lateral nodes receive lymph from

A

Most of the upper limb except superficial lateral side

208
Q

Lymphatic drainage of upper limb: Center of axilla

A

Central

209
Q

Lymphatic drainage of upper limb: Central nodes receive lymph from

A

All that drain into anterior, posterior, and lateral nodes

210
Q

Lymphatic drainage of upper limb: Outside the axilla, between the deltoid and pectoralis major

A

Infraclavicular/deltopectoral

211
Q

Lymphatic drainage of upper limb: Infraclavicular/deltopectoral nodes receive lymph from

A

1) Lateral side of hand
2) Forearm
3) Arm
4) Vessels that accompany the cephalic vein

212
Q

Lymphatic drainage of upper limb: Apex of axilla

A

Apical

213
Q

Lymphatic drainage of upper limb: Apical nodes receive lymph from

A

All other axillary nodes

214
Q

Lymphatic drainage of upper limb: Apical nodes drain into

A

Subclavian trunk

215
Q

Lymphatic drainage of upper limb: Superficial fascia in the cubital fossa

A

Supratrochlear/cubital

216
Q

Lymphatic drainage of upper limb: Supratrochlear/cubital node receives lymph from

A

1) Medial fingers
2) Medial hand
3) Medial forearm

217
Q

Brachial plexus: Roots enter the base of neck between

A

Scalenus anterior and scalenus medius

218
Q

Brachial plexus: Trunks and division cross the

A

Posterior triangle of the neck

219
Q

Brachial plexus: Cords are arranged around the

A

Axillary artery

220
Q

Brachial plexus: Divided into

A

1) Roots
2) Trunks
3) Divisions
4) Cords

221
Q

Posterior cords of C5,6 and 7 form

A

Long thoracic nerve

222
Q

Brachial plexus: Trunks

A

1) Superior
2) Middle
3) Inferior

223
Q

Brachial plexus: Divisions

A

1) Anterior

2) Posterior

224
Q

Brachial plexus: Cords

A

1) Lateral
2) Posterior
3) Medial

225
Q

Brachial plexus: Branches

A

1) Musculocutaneous
2) Axillary
3) Median
4) Radial
5) Ulnar

226
Q

Brachial plexus: Superior trunk is formed by

A

C5,6

227
Q

Brachial plexus: Middle trunk is formed by

A

C7

228
Q

Brachial plexus: Inferior trunk is formed by

A

C8, T1

229
Q

Brachial plexus: Lateral cord is formed by

A

Anterior divisions of superior and middle trunks

230
Q

Brachial plexus: Posterior cord is formed by

A

Posterior divisions of superior, middle, and inferior trunks

231
Q

Brachial plexus: Medial cord is formed by

A

Anterior division of inferior trunk

232
Q

Brachial plexus: Branches of lateral cord (3)

A

1) Musculocutaneous
2) Lateral pectoral
3) Median (as it joins with medial cord)

233
Q

Brachial plexus: Branches of superior trunk (2)

A

1) Suprascapular nerve

2) Nerve to subclavius

234
Q

Brachial plexus: Branches of posterior cord (5)

A

1) Radial nerve
2) Axillary nerve
3) Upper subscapular
4) Lower subscapular
5) Thoracodorsal

235
Q

Brachial plexus: Branches of medial cord

A

1) Ulnar nerve
2) Medial pectoral
3) Medial cutaneous of arm
4) Medial cutaneous of forearm

236
Q

Brachial plexus, supplies: Long thoracic

A

Serratus anterior

237
Q

Brachial plexus, supplies: Dorsal scapular

A

1) Rhomboids

2) Levator scapula

238
Q

Brachial plexus, supplies: Suprascapular

A

1) Supraspinatus

2) Infraspinatus

239
Q

Brachial plexus, supplies: Lateral pectoral

A

Pectoralis major

240
Q

Brachial plexus, supplies: Upper subscapular

A

Subscapularis

241
Q

Brachial plexus, supplies: Lower subscapular

A

Subscapularis and teres major

242
Q

Brachial plexus, supplies: Thoracodorsal

A

Latissimus dorsi

243
Q

Brachial plexus, supplies: Axillary nerve

A

1) Deltoid
2) Teres minor
3) Skin over lower half of deltoid

244
Q

Brachial plexus, supplies: Radial nerve

A

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
Q

Brachial plexus, supplies: Medial pectoral nerve

A

Pectoralis major and minor

246
Q

Brachial plexus, supplies: Ulnar nerve

A

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
Q

Brachial plexus, supplies: Median nerve

A

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
Q

Brachial plexus: Ulnar nerve in the upper arm (compartment)

A

Anterior

249
Q

Brachial plexus: Ulnar nerve pierces

A

Medial intermuscular septum of arm

250
Q

Brachial plexus: Ulnar nerve relation to ulnar artery in the forearm

A

Medial to the ulnar artery

251
Q

Brachial plexus: Radial nerve pierces

A

Lateral intermuscular septum

252
Q

Brachial plexus lesions: Displacement of head to opposite side and depression of shoulder on same side

A

Superior trunk lesion aka Erb-Duchenne Palsy aka Waiter’s tip hand

253
Q

Brachial plexus lesions: Traction injury as in excessive abduction

A

Inferior trunk lesion aka Klumpke Palsy aka Claw hand

254
Q

Brachial plexus lesions: Blow or surgical injury to this nerve at the axilla

A

Long thoracic nerve lesion aka serratus anterior paralysis or Winged scapula aka Difficulty of raising arm above head

255
Q

Brachial plexus lesions: Inferior dislocation of shoulder of fracture of surgical neck of humerus

A

Axillary nerve lesion aka deltoid paralysis and loss of sensation at skin over lower half of deltoid

256
Q

Brachial plexus lesions: Fracture of midshaft of humerus

A

Radial nerve lesion aka wrist drop

257
Q

Brachial plexus lesions: Supracondylar fracture of humerus or wounds proximal to flexor retinaculum

A

Median nerve lesion aka thenar paralysis aka apelike hand

258
Q

Brachial plexus lesions: Claw deformity

A

Ulnar nerve lesion

259
Q

Radial nerve: First branch

A

Recurrent branch

260
Q

Radial nerve: Recurrent branch anastomoses with

A

Radial collateral artery

261
Q

Cubital fossa contents: Medial to lateral (4)

A

1) Median nerve
2) Bifurcation of brachial artery into ulnar and radial
3) Biceps tendon
4) Radial nerve

262
Q

Ulnar artery: Supplies which forearm compartment

A

Anterior

263
Q

Cephalic vein: Fairly constant location

A

Posterior to styloid process of radius

264
Q

Brachial plexus: Formed by

A

Anterior rami of C5,6,7,8 and T1

265
Q

Brachial plexus, supplies: Musculocutaneous

A

1) Anterior compartment of upper arm

2) Skin along lateral border of forearm (lateral cutaneous nerve of forearm)

266
Q

Brachial plexus: Musculocutaneous nerve pierces

A

Coracobrachialis muscle and deep fascia