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Forearm Flashcards

1
Q

pronator teres: Origin

A

humeral head: medial epicondyle of humerus (common flexor tendon)
ulnar head: coronoid process of the ulna

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2
Q

pronator teres: Insertion

A

radius

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3
Q

pronator teres: Nerve

A

median nerve

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4
Q

pronator teres: Action

A

pronation of forearm, flexes elbow

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5
Q

flexor carpi radialis: Origin

A

medial epicondyle of humerus (common flexor tendon)

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6
Q

flexor carpi radialis: Insertion

A

Bases of second and third metacarpal bones

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7
Q

flexor carpi radialis: Nerve

A

Median nerve

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8
Q

flexor carpi radialis: Action

A

Flexion and abduction at wrist

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9
Q

palmaris longus: Origin

A

medial epicondyle of humerus (common flexor tendon)

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10
Q

palmaris longus: Insertion

A

palmar aponeurosis

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11
Q

palmaris longus: Nerve

A

median nerve

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12
Q

palmaris longus: Action

A

wrist flexor

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13
Q

flexor carpi ulnaris: Origin

A

medial epicondyle of the humerus (common flexor tendon)

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14
Q

flexor carpi ulnaris: Insertion

A

pisiform

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15
Q

flexor carpi ulnaris: Nerve

A

muscular branches of ulnar nerve

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16
Q

flexor carpi ulnaris: Action

A

flexion and adduction of wrist

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17
Q

flexor digitorum superficialis: Origin

A

medial epicondyle of the humerus (common flexor tendon), as well as parts of the radius and ulna.

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18
Q

flexor digitorum superficialis: Insertion

A

phalanges

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19
Q

flexor digitorum superficialis: Nerve

A

median nerve

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20
Q

flexor digitorum superficialis: Action

A

flexor of fingers (primarily at proximal interphalangeal joints)

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21
Q

flexor policis longus: Origin

A

The middle 2/4 of the volar [disambiguation needed] surface of the radius and the adjacent interosseus membrane. (Also occasionally a small origin slightly on the medial epicondyle of the ulna.)

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22
Q

flexor policis longus: Insertion

A

The base of the distal phalanx of the thumb

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23
Q

flexor policis longus: Nerve

A

Anterior interosseous nerve (branch of median nerve) (C8, T1)

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24
Q

flexor policis longus: Action

A

Flexion of the thumb

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25
flexor digitorum profundus: Origin
ulna
26
flexor digitorum profundus: Insertion
distal phalanges
27
flexor digitorum profundus: Nerve
median (anterior interosseous), muscular branches of ulnar
28
flexor digitorum profundus: Action
flex hand, interphalangeal joints
29
pronator quadratus: Origin
medial, anterior surface of the ulna
30
pronator quadratus: Insertion
lateral, anterior surface of the radius
31
pronator quadratus: Nerve
median nerve (anterior interosseous nerve)
32
pronator quadratus: Action
pronates the forearm
33
brachioradialis: Origin
Lateral supracondylar ridge of the humerus
34
brachioradialis: Insertion
Distal radius (Radial styloid process)
35
brachioradialis: Nerve
radial nerve
36
brachioradialis: Action
Flexion of forearm
37
extensor carpi radialis brevis: Origin
humerus at the anterior of lateral epicondyle (common extensor tendon)
38
extensor carpi radialis brevis: Insertion
base of the 3rd metacarpal
39
extensor carpi radialis brevis: Nerve
deep branch of the radial nerve
40
extensor carpi radialis brevis: Action
extensor and abductor of the hand at the wrist joint
41
extensor digitorum: Origin
lateral epicondyle (common extensor tendon)
42
extensor digitorum: Insertion
2nd-4th phalange
43
extensor digitorum: Nerve
posterior interosseous nerve (C7, C8)
44
extensor digitorum: Action
extension of hand and fingers
45
extensor digitorum minimi: Origin
the anterior portion of the lateral epicondyle of the humerus (common extensor tendon)
46
extensor digitorum minimi: Insertion
extensor expansion, located at the base of the proximal phalanx of the finger on the dorsal side
47
extensor digitorum minimi: Nerve
posterior interosseous nerve (C7, C8)
48
extensor digitorum minimi: Action
extends the little finger at all joints
49
extensor carpi ulnaris: Origin
Common extensor tendon (lateral epicondyle), ulna
50
extensor carpi ulnaris: Insertion
5th metacarpal
51
extensor carpi ulnaris: Nerve
posterior interosseous nerve (C7, C8)
52
extensor carpi ulnaris: Action
extends and adducts the wrist
53
anconeus: origin
Lateral epicondyle of the humerus
54
anconeus: Insertion
lateral surface of the olecranon process and the superior part of the posterior ulna
55
anconeus: Nerve
radial nerve (C7, C8, and T1)
56
anconeus: Action
partly blended in with the triceps, which it assists in extension of the forearm. Stabilises the elbow and abducts the ulna during pronation.
57
supinator: Origin
Lateral epicondyle of the humerus, supinator crest of ulna, radial collateral ligament, annular ligament
58
supinator: Insertion
Lateral proximal radial shaft
59
supinator: Nerve
deep branch of radial nerve (C7, C8)
60
supinator: Action
supinates forearm
61
abductor pollicis longus: Origin
ulna, radial styloid process
62
abductor pollicis longus: Insertion
first metacarpal
63
abductor pollicis longus: Nerve
posterior interosseous nerve (C7, C8)
64
abductor pollicis longus: Action
abduction, extension of thumb
65
extensor pollicis longus: Origin
ulna
66
extensor pollicis longus: Insertion
thumb, distal phalanx
67
extensor pollicis longus: Nerve
posterior interosseous nerve (C7, C8)
68
extensor pollicis longus: Action
extension of the thumb (metacarpophalangeal and interphalangeal)
69
extersor indicis: Origin
ulna
70
extersor indicis: Insertion
index finger (extensor hood)
71
extersor indicis: Nerve
posterior interosseous nerve (C7, C8)
72
extersor indicis: Action
extends index finger, wrist

Muscles (11 decks)

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