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Regional Anatomy > Upper Extremity > Flashcards

Upper Extremity Flashcards

(192 cards)

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1
Q

Origin of trapezius

A

Medial 1/3 superior nuchal line, EOP, nuchal ligament, CP C7-T12

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2
Q

Insertion of trapezius

A

Spine of scapula, acromion process, lateral 1/3 of clavicle

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3
Q

Innervation of trapezius

A

Spinal accessory nerve

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4
Q

Actions of trapezius

A

Elevation, retraction, depression, superior rotation of scapula

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5
Q

Origin of lats

A

SP of T7-L5, thoracolumbar fascia, iliac crest

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6
Q

Insertion of lats

A

Intertubercular groove of the humerus (medial portion)

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7
Q

Innervation of lats

A

Thoracodorsal nerve

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8
Q

Actions of lats

A

Extension, medial rotation, adduction of humerus

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9
Q

Origin of levator scapula

A

TP C1-4

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10
Q

Insertion of levator scapula

A

Superior border of medial border of scapula

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11
Q

Innervation of levator scapula

A

Dorsal scapular

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12
Q

Actions of levator scapula

A

Elevate scapula

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13
Q

Origin of rhomboid minor

A

SP C7-T1

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14
Q

Insertion of rhomboid minor

A

Medial border of scapula (level of the spine)

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15
Q

Innervation of rhomboid minor

A

Dorsal scapular nerve

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16
Q

Actions of rhomboid minor

A

Retract scapula, rotate glenoid cavity inferior

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17
Q

Origin of rhomboid major

A

SP T2-T5

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18
Q

Insertion of rhomboid major

A

Medial border of scapula

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19
Q

Innervation of rhomboid major

A

Axillary nerve

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20
Q

Actions of rhomboid major

A

retracts and downwardly rotates pec girdle

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21
Q

Origin of deltoid

A

Spine of scapula, acromion process, lateral 1/3 of the clavicle

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22
Q

Insertion of deltoid

A

Deltoid tuberosity of the humerus

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23
Q

Innervation of deltoid

A

Axillary nerve

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24
Q

Actions of deltoid

A

Extension, abduction, flexion of humerus

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25
Origin of supraspinatus
Supraspinous fossa of scapula
26
Insertion of supraspinatus
Superior facet of greater tubercle of humerus
27
Innervation of supraspinatus
Suprascapular nerve
28
Action of supraspinatus
Abduction of humerus
29
Origin of infraspinatus
Infraspinous fossa of scapula
30
Insertion of infraspinatus
Middle facet on greater tubercle of humerus
31
Innervation of infraspinatus
Suprascapular nerve
32
Action of infraspinatus
Lateral rotation of humerus
33
Origin of teres minor
Middle portion of lateral border of scapula
34
Insertion of teres minor
Inferior facet of greater tubercle of humerus
35
Innervation of teres minor
Axillary nerve
36
Action of teres minor
Lateral rotation of humerus
37
Origin of subscapularis
Subscapular fossa
38
Insertion of subscapularis
Lesser tubercle of humerus
39
Innervation of subscapularis
Upper and lower subscapular nerve
40
Action of subscapularis
Medial rotation of humerus (assists with adduction)
41
Origin of teres major
Dorsal surface of inferior angle of scapula
42
Insertion of teres major
Intertubercular groove of humerus (medial portion)
43
Innervation of teres major
Lower subscapular nerve
44
Action of teres major
Adducts and medially rotates arm
45
Origin of serratus anterior
External lateral surface of ribs 1-8
46
Insertion of serratus anterior
Anterior portion of medial border of scapula
47
Innervation of serratus anterior
Long thoracic nerve
48
Action of serratus anterior
Protraction of scapula, stabilizes scapula against thoracic wall
49
Origin of subclavius
Costal junction rib 1
50
Insertion of subclavius
Middle and distal portion of clavicle
51
Innervation of subclavius
Nerve to subclavius
52
Action of subclavius
Stabilize and depress clavicle
53
Origin of pec major
Clavicular head: Anterior surface medial 1/2 of clavicle, | Sternocostal head: Anteriolateral sternum and upper 6 ribs
54
Insertion of pec major
Intertubercular groove of humerus (lateral portion)
55
Innervation of pec major
Lateral pectoral nerve to clavicular head, medial pectoral head to sternocostal head
56
Action of pec major
Adduction and medial rotation of humerus, flexion of humerus
57
Origin of pec minor
Ribs 3, 4, 5 near costocartilage junction
58
Insertion of pec minor
Coracoid process of scapula
59
Innervation of pec minor
Medial pectoral nerve
60
Action of pec minor
Protraction and depression of scapula
61
Origin of coracobrachialis
Coracoid process
62
Insertion of coracobrachialis
Medial surface of humerus
63
Innervation of coracobrachialis
Musculocutaneous nerve
64
Action of coracobrachialis
Flexion and adduction of humerus
65
Origin of biceps brachii
Short head: coracoid process | Long head: supraglenoid tubercle of scapula
66
Insertion of biceps brachii
Radial tuberosity and bicipital aponeurosis
67
Innervation of biceps brachii
Musculocutaneous nerve
68
Action of biceps brachii
Flexes and supinates forearm
69
Origin of brachialis
Distal 1/2 anterior surface of the humerus
70
Insertion of brachialis
Coronoid process and tuberosity of ulna
71
Innervation of brachialis
Musculocutaneous nerve
72
Action of brachialis
Flexion of forearm
73
Origin of triceps brachii
Long head: Infraglenoid tubercle Lateral head: Posterior humerus Medial head: Posterior humerus
74
Insertion of triceps brachii
Olecranon process of ulna
75
Innervation of triceps brachii
Radial nerve
76
Action of triceps brachii
Extension of forearm
77
Origin of anconeus
Lateral epicondyle of humerus
78
Insertion of anconeus
Olecranon of ulna and superior portion of ulna
79
Innervation of anconeus
Radial nerve
80
Action of anconeus
Extension of forearm
81
Origin of brachioradialis
Lateral portion of distal humerus
82
Insertion of brachioradialis
Styloid process and distal 1/3 of radius
83
Innervation of brachioradialis
Radial nerve
84
Action of brachioradialis
Flexion of forearm
85
Origin of pronator teres
Medial epicondyle of humerus and coronoid process of ulna
86
Insertion of pronator teres
Lateral surface of radius
87
Innervation of pronator teres
Median nerve
88
Action of pronator teres
Pronation and flexion of forearm
89
Origin of flexor carpi radialis
Medial epicondyle of humerus
90
Insertion of flexor carpi radialis
Base of second metacarpal
91
Innervation of flexor carpi radialis
Median nerve
92
Action of flexor carpi radialis
Flexes wrist and abducts wrist (radial deviation)
93
Origin of palmaris longus
Medial epicondyle of humerus
94
Insertion of palmaris longus
Flexor retinaculum and palmar aponeurosis
95
Innervation of palmaris longus
Median nerve
96
Action of palmaris longus
Flexes wrist
97
Origin of flexor carpi ulnaris
Humeral head: Medial epicondyle | Ulnar head: Olecranon, posterior ulna
98
Insertion of flexor carpi ulnaris
Pisiform, hook of hamate, fifth metacarpal
99
Innervation of flexor carpi ulnaris
Ulnar nerve
100
Action of flexor carpi ulnaris
Flexion and adduction of wrist (ulnar deviation)
101
Origin of flexor digitorum superficialis
Humeroulnar head: Medial epicondyle of humerus, coronoid process of ulna Radial head: Anteriosuperior radius
102
Insertion of flexor digitorum superficialis
Middle phalanges of digits 1-4
103
Innervation of flexor digitorum superficialis
Median nerve
104
Action of flexor digitorum superficialis
Flexes phalanges at proximal interphalangeal joints, flexes metacarpophalangeal joints (assists with wrist flexion)
105
Origin of flexor digitorum profundus
Proximal 3/4 anterior ulna and interosseous membrane
106
Insertion of flexor digitorum profundus
Base of distal phalanges 1-4
107
Innervation of flexor digitorum profundus
Medial portion: Ulnar nerve | Lateral portion: Median nerve
108
Action of flexor digitorum profundus
Flexes distal phalanges at interphalangeal joints 1-4, flexes metacarpophalangeal joints
109
Origin of flexor pollicis longus
Anterior surface of radius and interosseous membrane
110
Insertion of flexor pollicis longus
Base of distal phalanx of pollex
111
Innervation of flexor pollicis longus
Median nerve
112
Action of flexor pollicis longus
Flexes phalanges of pollex
113
Origin of pronator quadratus
Distal 1/4 of anterior surface of ulna
114
Insertion of pronator quadratus
Distal 1/4 of anterior surface of radius
115
Innervation of pronator quadratus
Median nerve
116
Action of pronator quadratus
Pronates forearm
117
Origin of extensor carpi radialus longus
Lateral supracondylar ridge of humerus
118
Insertion of extensor carpi radialus longus
Base of second metacarpal
119
Innervation of extensor carpi radialus longus
Deep radial nerve
120
Action of extensor carpi radialus longus
Extension of wrist, abduction of wrist (radial deviation)
121
Origin of extensor carpi radialis brevis
Lateral epicondyle of humerus
122
Insertion of extensor carpi radialis brevis
Base of third metacarpal
123
Innervation of extensor carpi radialis brevis
Deep radial nerve
124
Action of extensor carpi radialis brevis
Extension of wrist, abduction of wrist (radial deviation)
125
Origin of extensor digitorum
Lateral epicondyle of humerus
126
Insertion of extensor digitorum
Extensor expansions of digits 2-5
127
Innervation of extensor digitorum
Posterior interosseous nerve branch of Deep Radial nerve
128
Action of extensor digitorum
Extension of 4 digits at interphalangeal joints, metacarpophalangeal joints, extension of wrist
129
Origin of extensor digiti minimi
Lateral epicondyle of humerus
130
Insertion of extensor digiti minimi
Base of middle phalanx fifth digit
131
Innervation of extensor digiti minimi
Posterior interosseous nerve branch of Deep Radial nerve
132
Action of extensor digiti minimi
Extends fifth digit at interphalangeal joints and metacarpophalangeal joints
133
Origin of extensor carpi ulnaris
Lateral epicondyle of humerus, posterior border of ulna
134
Insertion of extensor carpi ulnaris
Base of fifth metacarpal
135
Innervation of extensor carpi ulnaris
Posterior interosseous nerve branch of Deep Radial nerve
136
Action of extensor carpi ulnaris
Extension and adduction of wrist
137
Origin of supinator
Lateral epicondyle of humerus, crest of ulna
138
Insertion of supinator
Proximal 1/3 of radius
139
Innervation of supinator
Deep Radial nerve
140
Action of supinator
Supination of forearm
141
Origin of abductor pollicis longus
Posterior surfaces of radius and ulna, interosseous membrane
142
Insertion of abductor pollicis longus
Base of first metacarpal
143
Innervation of abductor pollicis longus
Posterior interosseous nerve branch of Deep Radial nerve
144
Action of abductor pollicis longus
Abducts thumb at carpometacarpal joint
145
Origin of extensor pollicis brevis
Posterior surface of radius and interosseous membrane
146
Insertion of extensor pollicis brevis
Base of proximal phalanx of the pollex
147
Innervation of extensor pollicis brevis
Posterior interosseous nerve branch of Deep Radial nerve
148
Action of extensor pollicis brevis
Extends proximal phalanx at carpometacarpal joint
149
Origin of extensor pollicis longus
Posterior surface middle 1/3 ulna and interosseous membrane
150
Insertion of extensor pollicis longus
Base of distal phalanx of pollex
151
Innervation of extensor pollicis longus
Posterior interosseous nerve branch of deep radial nerve
152
Action of extensor pollicis longus
Extends distal phalanx at metacarpophalangeal ad interphalangeal joints
153
Origin of extensor indicis
Posterior surface of ulna and interosseous membrane
154
Insertion of extensor indicis
Extensor expansion of second digit
155
Innervation of extensor indicis
Posterior interosseous nerve branch of deep radial nerve
156
Action of extensor indicis
Extends second digit and assists with extension of wrist
157
Origin of abductor pollicis brevis
Flexor retinaculum, tubercles of scaphoid and trapezius
158
Insertion of abductor pollicis brevis
Proximal phalanx of thumb
159
Innervation of abductor pollicis brevis
Recurrent branch of median nerve
160
Action of abductor pollicis brevis
Abduction of thumb
161
Origin of flexor pollicis brevis
Flexor retinaculum, tubercles of scaphoid and trapezium
162
Insertion of flexor pollicis brevis
Proximal phalanx of the thumb
163
Innervation of flexor pollicis brevis
Recurrent branch of median nerve
164
Action of flexor pollicis brevis
Flexes thumb
165
Origin of oponens pollicis
Flexor retinaculum, tubercles of scaphoid and trapezium
166
Insertion of oponens pollicis
Lateral side of first metacarpal
167
Innervation of oponens pollicis
Recurrent branch of median nerve
168
Action of oponens pollicis
Draws first metacarpal medially to oppose thumb
169
Origin of adductor pollicis
Oblique head: bases of 2nd and 3rd metacarpals | Transverse head: 3rd metacarpal
170
Insertion of adductor pollicis
Medial side of proximal phalanx of thumb
171
Innervation of adductor pollicis
Deep branch of ulnar nerve
172
Action of adductor pollicis
Abduct thumb towards midline of hand
173
Origin of abductor digiti minimi
Pisiform
174
Insertion of abductor digiti minimi
Medial side proximal phalanx of 5th digit
175
Innervation of abductor digiti minimi
Deep branch of ulnar nerve
176
Action of abductor digiti minimi
Abducts 5th digit
177
Origin of flexor digiti minimi
Hook of hamate and flexor retinaculum
178
Insertion of flexor digiti minimi
Medial side of proximal phalanx of 5th digit
179
Innervation of flexor digiti minimi
Deep branch of ulnar nerve
180
Action of flexor digiti minimi
Flexes proximal phalanx of 5th digit
181
Origin of oponens digiti minimi
Hook of hamate and flexor retinaculum
182
Insertion of oponens digiti minimi
Medial border of 5th metacarpal
183
Innervation of oponens digiti minimi
Deep branch of ulnar nerve
184
Action of oponens digiti minimi
Draws 5th metacarpal anterior and medial towards midline of the hand
185
Origin of dorsal interossei
Adjacent sides of metacarpals
186
Insertion of dorsal interossei
Extensor expansions and bases of proximal phalanges of digits 2-4
187
Innervation of dorsal interossei
Deep branch of ulnar nerve
188
Action of dorsal interossei
Abducts digits from midline of hand, extension of interphalangeal joints
189
Origin of palmer interossei
Palmer surface of metacarpals 2, 4, 5
190
Insertion of palmer interossei
Extensor expansion at bases of proximal phalanges 2, 4, 5
191
Innervation of palmer interossei
Deep branch of ulnar nerve
192
Action of palmer interossei
Adduct digits towards midline of hand

Regional Anatomy (2 decks)

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