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IUSM anatomy section 1 > flexors and extensors of forearm and palm > Flashcards

flexors and extensors of forearm and palm Flashcards

1
Q

pronator teres attachments

A

> medial epicondyle of humerus
ulnar head on medial coronoid process
both heads insert onto lateral radius

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2
Q

pronator teres nerve and artery

A

> Median n. (c6,7)

> ant. ulnar recurrent a.

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3
Q

pronator teres action

A

pronate and weakly flex forarm@ elbow

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4
Q

flexor carpi radialis attachments

A

> medial epicondyle of humerus

> inserts onto base of 2nd and 3rd metacarpals

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5
Q

flexor carpi radialis nerve and artery

A

> median n. (c6,7)

> radial a.

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6
Q

flexor carpi radialis action

A

flexes and abducts the wrist, pronates hand, flexes forearm

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7
Q

palmaris longus attachment

A

> medial epicondyle of humerus

> inserts on palmar aponeurosis

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8
Q

palmaris longus action

A

> weak forearm flexor

> pronate and flex forearm

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9
Q

flexor carpi ulnaris attach

A

> medial epicondyle of humerus
olecranon
both heads insert onto the pisciform, hook of hamate, and 5th metacarpal

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10
Q

flexor carpi ulnaris nerve and artery

A

> ulnar n.

> post. ulnar recurrent a.

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11
Q

flexor carpi ulnaris action

A

> flex wrist and forarm

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12
Q

flexor digitorum superficialis attach

A

> medial epicondyle
coronoid process of the ulna
oblique line of radius
both insert onto the middle phalanges 2-5

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13
Q

palmarus longus nerve and artery

A

> median n.

> post. ulnar recurrent a.

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14
Q

flexor digitorum superficialis nerve and artery

A

> median n.

> ulnar a./radial a.

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15
Q

flexor digitorum superficialis action

A

flex middle and proximal phalanges, aids in forearm flex

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16
Q

Flexor digitorum profundus attach

A

> medial/ant. ulna

> Distal phalanges of D2-5

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17
Q

flexor digitorum profundus nerve and artery

A

> medial part is ulnar n.
lateral is interosseus of median n.
ulnar a.

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18
Q

flexor digitorum profundus action

A

flex terminal phalanges 2-5 and flex wrist

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19
Q

flexor pollicus longus attachments

A

> radius, coronoid process of ulna

> palmar surface of distal thumb phalynx

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20
Q

flexor pollicus longus nerve and artery

A

> median n.

> ulnar a.

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21
Q

pronator quadrus attachments

A

> distal ulna

> lateral radius

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22
Q

pronator quadrus nerve and artery

A

> median n.

> ulnar a.

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23
Q

path of ulnar nerve through forearm

A

> behind medial epicondyle of humerus
btn heads of flexor carpi ulnaris
joins ulnar a. in distal forarm
superfical sensory branch in wrist

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24
Q

path of median nerve through forearm

A

> leaves cubital fossa btn. two heads of pronator teres
courses teep to flexor digitorum superficialis
branches to anterior interosseus
branches to palmar cutaneous branch

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25
Q

main branches of radial artery in forearm/hand

A 
> radial recurrent a.
> superficial palmar arch
> deep arch
> palmar carpal a
> dorsal carpal a
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26
Q

main branches of ulnar artery in forearm

A 
> ant. ulnar recurrent
> post. ulnar recurrent
> common interosseous to ant. post. interosseous
> palmar carpal
> dorsal carpal
> superficial branch
> deep palmar branch
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27
Q

extensor retinaculum

A

thickened antebrachial fascia on dorsum of wrist

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28
Q

what is in the carpal tunnel?

A

> 4 tendons of flexor digitorum superficialis
4 tendons of flexor digitorum profundus
tendon of flexor pollicus longus
median n.

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29
Q

Abductor pollicus brevis attachment

A

> trapezium and scaphoid

> proximal phalynx of thumb

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30
Q

abductor pollicus brevis nerve and artery

A

> median n. and deep ulnar n.

> superficial radial a.

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31
Q

flexor pollicis brevis attachment

A

> carpal lig and trapezium

> proximal phalynx of thumb

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32
Q

flexor pollicis brevis nerve and artery

A

> median n.

> superficial radial a.

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33
Q

flexor pollicis brevis action

A

flexes proximal phalynx

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34
Q

opponens pollicis attachment

A

> carpal lig and trapezium

> 1st MC

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35
Q

opponens pollicis nerve and artery

A

> median n.

> radial a.

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36
Q

adductor pollicis attachment

A

> trapezium, trapezoid, capitate, base of MC2-3
MC 3
both heads attach distally on proximal phalynx of thumb

37
Q

adductor pollicis nerve and artery

A

> ulnar n.

> deep arch a.

38
Q

adductor pollicis action

A

adducts thumb and aids in opposition

39
Q

abductor digiti minimi attachment

A

> pisiform, tendon of FCU

> medial proximal phalynx of D5

40
Q

abductor digiti minimi nerve and artery

A

> ulnar n.

> deep arch a. (branch of ulnar)

41
Q

flexor digiti minimi brevis attachment

A

> carpal ligament, hamulus

> proximal phalynx D5

42
Q

flexor digiti minimi brevis nerve and artery

A

> ulnar n.

> deep arch a. (branch of ulnar)

43
Q

opponens digiti minimi attachment

A

> carpal ligament, hamulus

> distal MC 5

44
Q

opponens digiti minimi nerve and artery

A

> ulnar n.

> deep arch a. (branch of ulnar)

45
Q

Palmar interossei attachments

A

> palmar surfaces of MC 2,4,5

> extensor expansions at base of proximal phalanges 2.4.5

46
Q

palmar interossei nerves and arteries

A

> ulnar n.

> digital arteries

47
Q

palmar interossei action

A

adduct digits

48
Q

lumbrical attachments

A

> tendons of flexor digitorum profundus

> lateral side of proximal phalnx D2-5

49
Q

lumbrical nerve and artery

A

> median (1-2) and ulnar (3-4)

> digital arteries

50
Q

lumbrical actions

A

> flex digits at MP joints

> extend IP joints

51
Q

brachioradialis actino

A

flex forarm

52
Q

brachioradialis nerve/artery

A

> radial n.

> radial recurrent a

53
Q

brachioradialis attach

A

> lateral supracondylar ridge

> lateral styloid process of radius

54
Q

Extensor carpi radialis longus (ECRL) action

A

extend wrist, abduct hand

55
Q

ECRL nerve/artery

A

> radial n.

> radial a., radial recurrent a.

56
Q

ECRL attach

A

> lateral supraconylar ridge

> dorsal surface of 2nd MC

57
Q

ECRB attach

A

> lateral epicondyle

>dorsal part of 3rd MC

58
Q

ECRB nerve/artery

A

> post. itnerosseus of radial

> radial a., radial recurrent a.

59
Q

ECRB action

A

extend wrist, abduct hand

60
Q

Extensor digitorum attach

A

> lat. epicondyle

> dorsum of proximal phalynx of D5

61
Q

Extensor digitorum nerve/artery

A

> post. interosseus of radial n.

> posterior interosseus of ulnar a.

62
Q

Extensor digitorum action

A

extend wrist, digits

63
Q

extensor digiti minimi attach

A

> common extensor tendon

> dorsum of proximal phalynx of D5

64
Q

Extensor Carpi Ulnaris (ECU) attach

A

> common extensor tendon

> base 5th MC

65
Q

ECU nerve/artery

A

> post. interosseus of radial n.

> post. interosseus of ulnar a.

66
Q

ECU action

A

extend wrist, adduct hand

67
Q

anconeus attach

A

> lateral epicondyle

> lateral olecranon and posterior ulna

68
Q

anconeus nerve/artery

A

> radial n.

> profunda brachii a.

69
Q

anconeus action

A

assist triceps, extend forearm

70
Q

supinator attachments

A

> lateral epicondyle, elbow joint, radius, ulna

> upper lateral radius (both heads)

71
Q

supinator nerve/artery

A

> deep radial n.

> radial recurrent a.

72
Q

abductor pollicus longus attach

A

> post. ulna, mid-post. radius

> radial side of 1st MC

73
Q

abductor pollicus longus nerve/artery

A

> post. interosseus of radial n.

> posterior interosseus of ulnar n.

74
Q

extensor pollicis brevis attach

A

> mid-post ulna

> distal phalynx of thumb

75
Q

extensor pollicus brevis artery/nerve

A

> post. interosseus radial n.

>post. interosseus ulnar a.

76
Q

extensor pollicis longus attach

A

> mid-post. ulna

> distal phalynx of thumb

77
Q

extensor pollicis longus nerve/artery

A

> post. interossesus radial n.

> post interosseus ulnar a.

78
Q

Hilton’s Law

A

the nerves supplying the joint also supply the muscles moving the joint OR the skin covering the joint

79
Q

blood supply of acromioclavicular joint

A

> suprascapular a.

> thoracoacromial a.

80
Q

innervation of acromioclavicular joint

A

> supraclavicular n.
lat. pectoral n.
axillary n.

81
Q

blood supply of sternoclavicular joint

A

> internal thoracic a.

> suprascapular a.

82
Q

innervation of sternoclavicular joint

A

> supraclavicular n.

83
Q

blood supply of glenohumeral joint

A

> ant./post. circumflex humeral aa

84
Q

innervation of glenohumeral joint

A

> suprascapular n.
axillary n.
lat. pectoral n.

85
Q

blood supply of elbow joint

A

> collateral branches of brachial a.

> recurrent branches of both radial and ulnar aa.

86
Q

innervation of elbow joint

A

> musculocutaneous n.

> radial n.

87
Q

innervation of distal radiaoulnar joint

A

ant/post interosseus nn.

88
Q

blood to distal radioulnar joint

A

ant/post interosseus aa.

IUSM anatomy section 1 (1 decks)

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