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Anatomy > Forearm > Flashcards

Forearm Flashcards

1
Q

origin or pronator teres

A

medial epicondyle of humerus and coronoid process of the ulna

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2
Q

insertion of pronator teres

A

lateral surface of the radius

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3
Q

action of pronator teres

A

pronate the forearm, assist to flex the elbow

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4
Q

innervation of pronator teres

A

median nerve C6 - 7

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5
Q

origin of flexor carpi radialis

A

medial epicondyle of the humerus

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6
Q

insertion of flexor carpi radialis

A

bases of 2nd and 3rd metacarpal

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7
Q

action of flexor carpi radialis

A

flex and abduct the wrist

may assist to flex the elbow

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8
Q

innervation of flexor carpi radialis

A

median nerve C6 - C8

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9
Q

origin of palmaris longus

A

medial epicondyle of humerus

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10
Q

insertion of palmaris longus

A

flexor retinaculum and palmar aponeurosis

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11
Q

action of palmaris longus

A

tense the palmar fascia
flex the wrist
may assist to flex the elbow

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12
Q

innervation of palmaris longus

A

median nerve C6 - T1

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13
Q

origin of flexor carpi ulnaris

A

humeral head - medial epicondyle of humerus

ulnar head - posterior surface of proximal ulna (olecranon process)

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14
Q

insertion of flexor carpi ulnaris

A

pisiform, hook of hamate, base of 5th metacarpal

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15
Q

action of flexor carpi ulnaris

A

flex and adduct the wrist, assist to flex the elbow

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16
Q

innervation of flexor carpi ulnaris

A

ulnar nerve C7 - T1

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17
Q

origin of flexor digitorum superficialis

A 
medial epicondyle of humerus
ulnar collateral ligament 
coronoid process of ulna
interosseous membrane
proximal shaft of radius
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18
Q

insertion of flexor digitorum superficialis

A

sides of middle phalanges of fingers 2 - 5

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19
Q

action of flexor digitorum superficialis

A

flex the 2nd through 5th fingers, flex the wrist

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20
Q

innervation of flexor digitorum superficialis

A

media nerve C7 - T1

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21
Q

origin of flexor digitorum profundus

A

anterior and medial surfaces of proximal ulna

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22
Q

insertion of flexor digitorum profundus

A

bases of distal phalanges, palmar surface of fingers 2 - 5

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23
Q

action of flexor digitorum profundus

A

flex the 2nd through 5th fingers

assist to flex the wrist

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24
Q

innervation of flexor digitorum profundus

A

1st and 2nd - median nerve C7 - T1

3rd and 4th - ulnar nerve C7 - T1

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25
origin of flexor pollicis longus
anterior surface of radius and interosseous membrane
26
insertion of flexor pollicis longus
base of distal phalanx of thumb
27
action of flexor pollicis longus
flex the thumb, assist to flex the wrist
28
innervation of flexor pollicis longus
median nerve C6 - T1
29
origin of pronator quadratus
medial, anterior surface of distal ulna
30
insertion of pronator quadratus
lateral, anterior surface of distal radius
31
action of pronator quadratus
pronate the forearm
32
innervation of pronator quadratus
median nerve C7 - T1
33
origin of brachioradialis
proximal lateral supracondylar ridge of humerus
34
insertion of brachioradialis
styloid process of radius
35
action of brachioradialis
flex the elbow | assist to pronate and supinate the forearm when these movements are resisted
36
innervation of brachioradialis
radial nerve C5 - C6
37
origin of extensor carpi radialis longus
distal lateral supracondylar ridge of humerus
38
insertion of extensor carpi radialis longus
base of 2nd metacarpal
39
action of extensor carpi radialis longus
extend and abduct the wrist, assist to flex the elbow
40
innervation of extensor carpi radialis longus
radial nerve C5 - C8
41
origin of extensor carpi radialis brevis
lateral epicondyle of humerus
42
insertion of extensor carpi radialis brevis
base of 3rd metacarpal
43
action of extensor carpi radialis brevis
extend and abduct the wrist | assist to flex the elbow
44
innervation of extensor carpi radialis brevis
radial nerve C6 - C8
45
origin of extensor digitorum
lateral epicondyle of humerus
46
insertion of extensor digitorum
bases of middle and distal phalanges of fingers 2 - 5
47
action of extensor digitorum
extend the 2nd through 5th fingers, assist to extend the wrist
48
innervation of extensor digitorum
radial nerve C6 - C8
49
origin of extensor carpi ulnaris
lateral epicondyle of humerus
50
insertion of extensor carpi ulnaris
base of 5th metacarpal
51
action of extensor carpi ulnaris
extend and adduct the wrist
52
innervation of extensor carpi ulnaris
radial nerve C6 - C8
53
origin of supinator
lateral epicondyle of humerus radial collateral ligament annular ligament and supinator crest of the ulna
54
insertion of supinator
anterior, lateral surface of radial shaft
55
action of supinator
supinate the forearm
56
innervation of supinator
radial nerve C5 - C7
57
origin of abductor pollicis longus
posterior surface of radius and ulna | interosseous membrane
58
insertion of abductor pollicis longus
base of 1st metacarpal
59
action of abductor pollicis longus
abduct and extend the thumb | abduct the wrist
60
innervation of abductor pollicis longus
radial nerve C6 - C8
61
origin of extensor pollicis brevis
posterior surface of radius and interosseous membrane
62
Insertion of extensor pollicis brevis
base of proximal phalanx of thumb
63
action of extensor pollicis brevis
extend the thumb, abduct the wrist
64
innervation of extensor pollicis brevis
radial nerve C6 - C8
65
origin of extensor pollicis longus
posterior surface of ulna and interosseous membrane
66
insertion of extensor pollicis longus
base of distal phalanx of thumb
67
action of extensor pollicis longus
extend the thumb, abduct the wrist
68
innervation of extensor pollicis longus
radial nerve C6 - C8
69
origin of extensor indicis
posterior surface of ulna and interosseous membrane
70
insertion of extensor indicis
tendon of the extensor digitorum at the level of the 2nd metacarpal
71
action of extensor indicis
extend and adduct the 2nd finger may assist to extend the wrist
72
innervation of extensor indicis
radial nerve C6 - C8

Anatomy (11 decks)

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