Unit I Lec 15-16 Flashcards

1
Q

Forearm sensation lateral/antelateral area is from

A

lateral antebrachial cutaneous n

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2
Q

lateral antebrachial cutaneous n is a branch of what n

A

musculocutaneous n

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3
Q

Forearm sensation mesial anteromedial is from what n

A

medial antebrachial cutaneous n

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4
Q

Forearm sensation posterior is from what n

A

posterior antebrachial cutaneous n

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5
Q

What n pierces coracobrachialis before is innervates anything

A

musculocutaneous n

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6
Q

Posterior antebrachial cutaneous n is a branch of what n

A

radial n

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7
Q

Injury to coracobrachialis would cause what problems

A

sensory to lateral part of forearm, elbow flexion

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8
Q

Term for impingement of musculocutaneous n (or any n)

A

entrapment

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9
Q

Terms for anterior side of the hand

A

palmar, volar

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10
Q

Term for posterior side of hand

A

dorsum

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11
Q

Joint between the radius and ulna at wrist

A

distal radioulnar joint

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12
Q

Joint between the radius and scaphoid/lunate at wrist

A

radiocarpal joint

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13
Q

Radiocarpal joint type of joint

A

condylar joint

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14
Q

Distal radioulnar joint is what type of hoint

A

pivot joint

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15
Q

Anterior/posterior thickenings at distal radioulnar joint

A

articular capsule

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16
Q

Cartilage that hooks onto ulnar styloid

A

triangular fibrocartilage

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17
Q

Triangular fibrocartilage form what

A

articular disk

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18
Q

Thick, tough, yet pliable membrane in radiocarpal joint

A

articular capsule

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19
Q

Ligaments on the back and front of wrist carpals

A

dorsal and volar radiocarpal ligaments

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20
Q

Wrist ligaments on the medial and lateral sides of the wrist

A

ulnar and radial collateral ligaments

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21
Q

Plane joints between carpals

A

intercarpal joints

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22
Q

Ligaments between intercarpal joints

A

intercarpal ligaments (dorsal/palmar)

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23
Q

Two rows of carpal bones are named

A

proximal and distal rows

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24
Q

Joint between proximal nad distal rows of carpal bones

A

midcarpal joint

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25
Q

Main function of intercarpal joint

A

wrist flexion

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26
Q

Largest of all carpal bones

A

capitate

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27
Q

Carpal bone with hook

A

hamate

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28
Q

Carpal bone that articulates with metacarpal 1

A

trapezium

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29
Q

Most frequently fractured carpal (70%)

A

scaphoid

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30
Q

Terms for fx of distal radius

A

colles fx

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31
Q

Three parts of metacarpal bones

A

base, shaft, head

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32
Q

Hand joint that is a saddle joint

A

1st carpometacarpal joint

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33
Q

Hand joints that are gliding joints

A

carpometacarpal joints 2-5

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34
Q

Digits 2-5 have what 3 phalanges

A

proximal, middle, distal

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35
Q

Digit 1 has what phalanges

A

proximal and distal

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36
Q

Joint type of first metacarpophalangeal joint

A

hinge joint

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37
Q

Joint type MCP joints 2-5

A

condyloid joints

38
Q

Interphalangeal joint (IP), proximal and distal IP joints (PIP, DIP) joint type

A

hinge joints

39
Q

MCP ligament that runs between heads of metacarpals 2-5

A

deep transverse metacarpal ligament

40
Q

Fibrocartilage ligament that covers the MCP joints on volar surface

A

palmar plates

41
Q

PIP, DIP, and IP hinge joints have what 2 ligaments

A

medial and collateral ligaments

42
Q

MCPs 2-5 (condyloid ligaments) what 4 ligaments

A

medial/lateral collateral ligaments, dorsal/volar ligaments

43
Q

MCP 1 hinge joints has what2 ligaments

A

medial/collateral ligaments

44
Q

All digit joints have what universal feature

A

joint capsule

45
Q

Fascia on the palm

A

palmar aponeurosis

46
Q

Fascia that covers the thenar and hypothenar eminence

A

thenar and hypothenar fascial sheaths

47
Q

Tough strand of fascia between thenar and hypothenar eminence

A

flexor retinaculum

48
Q

Flexor retinaculum covers what tunnel

A

carpal tunnel

49
Q

Ligament covering carpals proximal to flexor retinaculum

A

palmar carpal ligament

50
Q

Palmar aponeurosis is continuation of what fascia

A

antebrachial fascia

51
Q

Muscle that inserts into palmar aponeurosis, not into a bone

A

palmeris longus

52
Q

Thenar mx, hypothenar mx, intermediate compartment are what type of hand mx

A

intrinsic mx

53
Q

Abductor digiti minimi, flexor digiti minimi brevis, opponens digiti minimi, and palmaris brevis are what type of hand mx

A

hypothenar mx

54
Q

Small hand mx that corrugates skin to easier gripping, absent in 9% of population

A

palmeris brevis

55
Q

Hand mx that abducts little finger

A

abductor digiti minimit

56
Q

Hand mx that flexes little finger

A

flexor digiti minimi brevis

57
Q

Mx that wraps around little finger for opposition to thumb

A

opponens digiti minimi

58
Q

Palmeris brevis is located on what side of hand

A

hypothenar side

59
Q

Hypothenar mx are innervated by

A

deep ulnar n

60
Q

palmeris brevis is innervated by what n

A

superficial volar branch of ulnar nerve

61
Q

Ulnar n and ulnar artery pass through hole between hamte and pisiform called

A

guyon’s canal

62
Q

Adductor pollicis brevis, flexor pollicis brevis, opponens pollicis, and adductor pollicis are what category of hand mx

A

thenar mx

63
Q

Thenar mx that adducts thumb

A

adductor pollicis brevis

64
Q

Thenar mx that flexes thumb

A

flexor pllicis brevis

65
Q

Thenar mx that opposes little finger with thumb

A

opponens pollicis

66
Q

Thenar mx that adducts thumb

A

adductor pollicis brevis

67
Q

Then ar mx that wraps around 5th metacarpal

A

opponens digiti minimi

68
Q

Thenar mx that wraps around 1st metacarpal

A

opponens pollicis

69
Q

Two heads of adductor pollicis

A

transverse head, oblique head

70
Q

Thenar mx are innervated by what n

A

recurrent branch of median nerve

71
Q

Thenar mx innervation exception, adductor pollicis is innervated by

A

deep branch of ulnar n

72
Q

Damage to deep branch of ulnar nerve causes what problem

A

inability to adduct thumb (pick things up)

73
Q

Small mx in hand that flex MCP and extend Ips (table topper mx)

A

4 lumbricales (numbered 1-4)

74
Q

Lubricles originate from what tendon

A

Tendon of the flexor digitorum profundus

75
Q

Origin of dorsal interossei

A

interosseous joints of metacarpals

76
Q

Action of dorsal interossei

A

abduct fingers

77
Q

Action of palmer interossei

A

adduction fingers

78
Q

Insertion of dorsal interossei

A

side of finger for abduction

79
Q

Insertion of palmar interossei

A

side of finger for adduction

80
Q

lateral 2 lumbricles are innervated by

A

median nerve

81
Q

medial 2 lumbricles are innervated by

A

deep branch of ulnar n

82
Q

All interossei innervated by

A

deep branch of ulnar n

83
Q

Superficial br ulnar artery and superficial palmar br radial artery form what

A

superficial palmar arch

84
Q

Three artery structures in hand

A

superficial palmar arch, common palmar digitial arteries, proper palmar digitial arteries

85
Q

Connection between tendons and blood vessels in flexor digitorum superficialis and flexor digitorum profundus

A

vinculae

86
Q

Artery structure in hand formed by radial artery and deep branch of ulnar artery

A

deep palmar arch

87
Q

Artery that goes through the anatomical snuffbox

A

radial artery

88
Q

Palmar metacarpal arteries, princeps pollicis artery, and radialis indicis artery are branches of what

A

branches of deep palmar arch

89
Q

Artery that gives pulse to thumb

A

princeps pollicis artery

90
Q

Artery that runs up side of index finger

A

radialis indicis artery

91
Q

Structures on fingers that create tunnels for long flexor tendons

A

fibrous sheaths