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MSK > Antebrachium > Flashcards

Antebrachium Flashcards

1
Q

proximal attachment supinator

A

lateral humeral epicondyle and supinator crest of ulna

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2
Q

distal attachment supinator

A

proximal 1/3 of lateral radius

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3
Q

inn. of supinator

A

deep branch of radial n (C7-C8)

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4
Q

action of supinator

A

supinate forearm

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5
Q

proximal attachment extensor indicis

A

distal ulna and interosseous membrane

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6
Q

distal attachment extensor indicis

A

extensor expansion of digit 2

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7
Q

inn. of extensor indicis, abductor policis longus, extensor policis brevis , extensor policis longus

A

posterior interosseus n (C7-C8)

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8
Q

action of extensor indicis

A

extend digit 2 (independently), help extend hand (at wrist)

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9
Q

proximal attachment of abductor policis longus

A

proximal ulna, radius, and interrosseous membrane

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10
Q

distal attachment abductor policis longus

A

1st metacarpal

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11
Q

action of abductor policis longus

A

abduct and extend CM joint of digit 1, abduct wrist

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12
Q

proximal attachment of extensor policis brevis

A

mid-posterior radial surface, interosseous membrane

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13
Q

distal attachment extensor policis brevis

A

1st proximal phalanx

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14
Q

action of extensor policis brevis

A

extend CM and MCP joints of digit 1, abduct wrist

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15
Q

proximal attachment extensor policis longus

A

mid-posterior ulnar surface, interosseous membrane

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16
Q

distal attachment of extensor policis longus

A

1st distal phalanx

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17
Q

action of extensor policis longus

A

extend CM, MCP, and IP joints of digit 1, abduct wrist

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18
Q

proximal attachment brachoradialis

A

proximal 2/3 of supracondylar ridge of humerus

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19
Q

distal attachment brachoradialis

A

distal radius just proximal to the styloid process

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20
Q

inn. of brachoradialis and extensor carpi radial is longus

A

radial n.

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21
Q

action of brachoradialis

A

weak forearm flexion, max flexion when forearm is midpronated

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22
Q

proximal attachment extensor carpi radialis longus

A

lateral supracondylar ridge of humerus

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23
Q

distal attachment extensor carpi radialis longus

A

base of 2nd metacarpal

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24
Q

action of extensor carpi radialis longus and brevis

A

extend and abduct hand (at wrist)

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25
proximal attachment extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi
lateral humeral epicondyle
26
distal attachment extensor carpi radialis brevis
base of 3rd metacarpal
27
inn. of extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, extensor carpi ulnaris
deep branch of radial n (C7-C8)
28
action of extensor carpi radialis brevis
29
distal attachment of extensor digitorum
extensor expansion of digits 2-5
30
action of extensor digitorum
extend digits 2-5 at MCP, secondarily at IP joints
31
distal attachment of extensor digiti minimi
extensor expansion of digit 5
32
action of extensor digiti minimi
extend digit 5 at MCP, secondarily at IP joint
33
proximal attachment extensor carpi ulnaris
lateral humeral epicondyle, posterior ulnar border
34
distal attachment extensor carpi ulnaris
dorsal base of 5th metacarpal
35
action of extensor carpi ulnaris
extend and adduct wrist
36
proximal attachment pronation teres
ulnar: coronoid process humeral: medial humeral epicondyle
37
proximal attachment flexor carpi radialis, palmaris longus
medial humeral epicondyle
38
proximal attachment flexor carpi ulnaris
humeral: medial humeral epicondyle ulnar: olecranon and posterior ulnar border
39
proximal attachment flexor digitorum superficialis
humeroulnar: medial humeral epicondyle and coronoid process radial: superior 1/2 of radius
40
proximal attachment flexor digitorum profundus
proximal anteromedial ulna and interosseous membrane
41
proximal attachment flexor policis longus
anterior radius and interosseous membrane
42
proximal attachment pronator quadratus
distal 1/4 of anterior ulnar surface
43
distal attachment pronator teres
middle of lateral radius
44
distal attachment flexor carpi radialis
2nd metacarpal base
45
distal attachment palmaris longus
flexor retinaculum and palmar aponeurosis
46
distal attachment flexor carpi ulnaris
medial carpals and 5th metacarpal
47
distal attachment flexor digitorum superficialis
both sides of 2nd-5th middle phalanges
48
distal attachment flexor digitorum profundus
base of 2nd -5th distal phalanges
49
distal attachment flexor policis longus
base of 1st distal phalanx
50
distal attachment pronator quadratus
distal radial shaft
51
inn. pronator teres, flexor carpi radialis, palmaris longus
median n. (C6-T1)
52
inn. flexor carpi ulnaris
ulnar n.
53
inn. flexor digitorum superficialis
median n.
54
inn. flexor digitorum profundus
medial: ulnar n. lateral: anterior interosseous n.
55
inn. flexor policis longus, pronator quadratus
anterior interosseous n.
56
action of pronator teres
pronate and flex forearm
57
action of flexor carpi radialis
flex and abduct hand (at wrist)
58
action of palmaris longus
flex hand (at wrist) and tense palmar aponeurosis
59
action of flexor carpi ulnaris
flex and adduct hand (at wrist)
60
action of flexor digitorum superficialis
flex PIPs and MCP joints of digits 2-5
61
action of flexor digitorum profundus
flex MCPs, PIPs, and DIPs of 2nd-5th distal phalanges
62
action of flexor policis longus
flex digit 1 CM, MCP, and IP joints
63
action of pronator quadratus
pronate forearm
64
superficial muscles of anterior forearm
brachoradialis, pronator teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris
65
intermediate muscles of anterior forearm
flexor digitorum superficialis
66
deep muscles of the anterior forearm
flexor digitorum profundus, flexor policis longus, supinator, pronator quadratus

MSK (11 decks)

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