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Human Anatomy Myology > Elbow & Wrist Myology > Flashcards

Elbow & Wrist Myology Flashcards

1
Q

elbow flexor muscles

A

biceps brachii, brachialis, brachioradialis

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2
Q

brachialis origin

A

distal half of anterior surface of humerus

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3
Q

brachialis insertion

A

coronoid process and ulnar tuberosity

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4
Q

brachialis action

A

elbow flexion in pronation

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5
Q

brachialis nerve

A

musculocutaneous nerve

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6
Q

brachioradialis origin

A

lateral supracondylar ridge of humerus

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7
Q

brachioradialis insertion

A

lateral surface of distal radius

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8
Q

brachioradialis action

A

flexes elbow in neutral position

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9
Q

brachioradialis nerve

A

radial nerve

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10
Q

elbow extensor muscles

A

triceps brachii, anconeus

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11
Q

anconeus origin

A

lateral epicondyle of humerus

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12
Q

anconeus insertion

A

lateral surface of olecranon

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13
Q

anconeus action

A

assists triceps in elbow extension

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14
Q

anconeus nerve

A

radial nerve

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15
Q

common flexor origin

A

medial epicondyle

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16
Q

superficial compartment wrist flexors/pronators

A

pronator teres, flecor carpi radialis, palmaris longus, flexor carpi ulnaris

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17
Q

pronator teres origin

A

medial epicondyle and coronoid process

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18
Q

pronator teres insertion

A

middle and lateral surfaces of the radius

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19
Q

pronator teres action

A

pronates forearm and flexes elbow

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20
Q

pronator teres nerve

A

median

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21
Q

flexor carpi radialis origin

A

medial epicondyle

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22
Q

flexor carpi radialis insertion

A

base of second MC

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23
Q

flexor carpi radialis action

A

flexes and radially deviates hand at wrist

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24
Q

flexor carpi radialis nerve

A

median

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25
palmaris longus origin
medial epicondyle
26
palmaris longus insertion
distal half of flexor retinaculum and palmar aponeurosis
27
palmaris longus action
flexes hand at wrist
28
palmaris longus nerve
median
29
flexor carpi ulnaris origin
humeral head: medial epicondyle ulnar head: olecranon and posterior border of ulna
30
flexor carpi ulnaris insertion
pisiform, hook of the hamate, base of 5th MC
31
flexor carpi ulnaris action
flexes and ulnarly deviates hand at wrist
32
flexor carpi ulnaris nerve
ulnar nerve
33
middle compartment wrist flexors/pronators
flexor digitorum superficialis
34
flexor digitorum superficialis origin
medial epicondyle, coronoid process, radius
35
flexor digitorum superficialis insertion
bodies of middle phalanges of medial 4 digits
36
flexor digitorum superficialis action
flexes middle phalanges at PIP joints of medial 4 digits
37
flexor digitorum superficialis nerve
median nerve
38
deep compartment wrist flexors/pronators
flexor digitorum profundus, flexor pollucis longus, pronator quadratus
39
flexor digitorum profundus origin
proximal 3/4 of ulna
40
flexor digitorum profundus insertion
bases of distal phalanges 2-5
41
flexor digitorum profundus action
flexes at DIP joint, PIP joint, MCP joint, and wrist
42
flexor digitorum profundus nerve
digits 2 & 3: anterior interosseus nerve digits 4 & 5: ulnar
43
flexor pollucis longus origin
anterior radius
44
flexor pollucis longus insertion
base of distal phalanx of thumb
45
flexor pollucis longus action
flexes phalanges of the thumb
46
flexor pollucis longus nerve
anterior interosseus nerve
47
pronator quadratus origin
distal 1/4 of anterior surface of ulna
48
pronator quadratus insertion
distal 1/4 of anterior surface of radius
49
pronator quadratus action
pronates forearm
50
pronator quadratus nerve
anterior interosseus nerve
51
common extensor origin
lateral epicondyle
52
superficial compartment wrist extensors/supinators
extensor carpi radialis longus, extensor carpi radialis brevis, extensor carpi ulnaris, extensor digitorum, extensor digiti minimi
53
extensor carpi radialis longus origin
lateral supracondylar ridge
54
extensor carpi radialis longus insertion
base of 2nd MC
55
extensor carpi radialis longus action
extends and radially deviates the wrist
56
extensor carpi radialis longus nerve
radial nerve
57
extensor carpi radialis brevis origin
lateral epicondyle
58
extensor carpi radialis brevis insertion
base of 3rd MC
59
extensor carpi radialis brevis action
extends and radially deviates the wrist
60
extensor carpi radialis brevis nerve
deep radial nerve
61
extensor carpi ulnaris origin
lateral epicondyle
62
extensor carpi ulnaris insertion
base of 5th MC
63
extensor carpi ulnaris action
extends and ulnarly deviates the wrist
64
extensor carpi ulnaris nerve
deep radial nerve
65
extensor digitorum origin
lateral epicondyle
66
extensor digitorum insertion
extensor expansions of medial 4 digits
67
extensor digitorum action
extends medial 4 digits at MCPs and IPs via extensor mechanism, wrist extenstion
68
extensor digitorum nerve
deep radial nerve
69
extensor digiti minimi origin
lateral epicondyle
70
extensor digiti minimi insertion
extensor expansion of 5th digit
71
extensor digiti minimi action
extends 5th digit at MCP and IP joints
72
extensor digiti minimi nerve
deep radial nerve
73
deep compartment wrist extensors/supinators
supinator, extensor pollucis brevis, extensor pollucis longus, extensor indices, abductor pollucis longus
74
supinator origin
lateral epicondyle and posterior ulna
75
supinator insertion
lateral, posterior, and anterior surface of proximal 1/3 of radius
76
supinator action
supinates forearm
77
supinator nerve
deep radial nerve
78
extensor pollucis brevis origin
posterior radius
79
extensor pollucis brevis insertion
base of proximal phalanx of thumb
80
extensor pollucis brevis action
extends proximal phalanx of thumb at CMC joint
81
extensor pollucis brevis nerve
deep radial nerve
82
extensor pollucis longus origin
posterior ulna
83
extensor pollucis longus insertion
base of distal phalanx of thumb
84
extensor pollucis longus action
extends distal phalanc of thumb at MCP and IP joints
85
extensor pollucis longus nerve
deep radial nerve
86
extensor indices origin
posterior ulna
87
extensor indices insertion
extensor expansion of 2nd digit
88
extensor indices action
extends 2nd digit at MCP and IP joints via the extensor expansion
89
extensor indices nerve
deep radial nerve
90
abductor pollucis longus origin
posterior ulna
91
abductor pollucis longus insertion
base of 1st MC
92
abductor pollucis longus action
abducts thumb and extends at CMC joint
93
abductor pollucis longus nerve
deep radial nerve

Human Anatomy Myology (5 decks)

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