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Kin 1060 > 3C - forearm to hand > Flashcards

3C - forearm to hand Flashcards

1
Q

radius

A

lateral bone of the forearm

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2
Q

ulna

A

medial bone of the forearm

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3
Q

interosseous border

A

attachment along shaft for membrane dividing forearm into anterior and posterior segments

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4
Q

radial head

A

articulates with capitulum of humerus (at elbow)

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5
Q

colles fracture

A

distal radius is broken by falling onto an outstretched hand (FOOSH)

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6
Q

dinner fork deformity

A

colle’s fracture

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7
Q

radial notch

A

where the radius articulates at proximal radioulnar joint

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8
Q

proximal radioulnar joint

A

head of the radius articulates with radial notch of ulna

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9
Q

distal radioulnar joint

A

head of ulna articulates with ulnar notch of radius

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10
Q

olecranon

A

pointy part of elbow on posterior aspect

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11
Q

coronoid process

A

point of elbow on anterior aspect

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12
Q

ulnar tuberosity

A

insertion of brachialis

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13
Q

head of ulna

A

distal end of ulna

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14
Q

interosseous membrane

A

membranous ligamental structure between the shafts of the ulna and radius bones

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15
Q

supination

A

the radius and ulna are parallel, anatomical position

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16
Q

pronation

A

the radius and ulna are crossed

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17
Q

carpal bones

A

wrist bones; scaphoid, lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, hamate

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18
Q

metacarpals

A

hand bones

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19
Q

which phalanx do thumbs and big toes not have

A

middle phalanx

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20
Q

carpal metacarpal joint

A

joint between carpals and metacarpals (CMC)

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21
Q

metacarpal phalangeal joint

A

big knuckles, where the carpal joints meet the phalanges (MCP)

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22
Q

proximal interphalangeal joint

A

between proximal and middle phalanges

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23
Q

distal interphalangeal joint

A

between middle and distal phalanges

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24
Q

forearm flexors innervation

A

median nerve, ulnar nerve (anterior)

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25
Q

forearm extensors innervation

A

radial nerve (posterior)

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26
Q

pronator teres

A

pronation of forearm

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27
Q

flexor carpi radialis

A

flexes wrist and abducts hand

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28
Q

palmaris longus

A

flexion of hand

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29
Q

flexor carpi ulnaris

A

flexes and adducts hand

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30
Q

forearm flexors order

A
  • Pass, Fail, Pass, Fail
  • Pronator teres, Flexor carpi radialis, Palmares longus, Flexor carpi ulnaris
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31
Q

brachioradialis

A

flexes forearm at elbow

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32
Q

flexor digitorum superficialis

A

flexes wrist and middle phalanges of fingers 2-5

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33
Q

flexor digitorum profundus

A

tendons split when they reach the PIP joint, which allows this muscle through; flexes distal phalanges

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34
Q

pronator quadratus

A

pronates forearm

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35
Q

flexor retinaculum

A

thick band of fascia that keeps tendons pinned down as they travel through the wrist

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36
Q

median nerve

A
  • in front of medial epicondyle.
  • under/through pronator teres
  • between flexor digitorum profundus and superficialis
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37
Q

pronator teres syndrome

A

entrapment or compression of the median nerve, weak wrist flexion, no IP (interphalangeal) flexion at thumb

38
Q

ulnar nerve

A

posterior to medial epicondyle

39
Q

supinator

A

supinates forearm

40
Q

extensor carpi radialis

A

extends wrist and abducts hand

41
Q

extensor digitorum

A

extends fingers and the wrist

42
Q

extensor digit minimi

A

extends little finger

43
Q

extensor carpi ulnaris

A

extends and adducts wrist

44
Q

where do all extensor muscles come off of

A

lateral epicondyle

45
Q

where do all flexor muscles come off of

A

medial epicondyle

46
Q

extensor retinaculum

A

holds tendons of extensor muscles in place

47
Q

epicondylitis

A

inflammation of the tissues surrounding the elbow at either the medial or lateral epicondyle

48
Q

golfers elbow

A

inflammation of tendons at the medial epicondyle (medial epicondylitis)

49
Q

tennis elbow

A

inflammation of tendons at the lateral epicondyle (lateral epicondylitis)

50
Q

outcropping muscles

A

abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus
- INTERACT AT THUMB

51
Q

abductor pollicis longus

A

abducts thumb

52
Q

extensor pollicis longus

A

extends thumb

53
Q

extensor pollicis brevis

A

extends thumb

54
Q

extensor indicis

A

extends index finger

55
Q

radial nerve

A

sensory-motor nerve that, with its branches, supplies the thumb side of the arm and back of the hand

56
Q

is the radius thicker or thinner at the distal end than the ulna

A

thicker

57
Q

what does the radius articulate with

A

wrist

58
Q

what does the ulna articulate with

A

radius

59
Q

ulnar notch

A

articulates with the head of the ulna

60
Q

styloid process of radius

A

insertion of brachioradialis

61
Q

radial collateral ligament

A

connects the lateral epicondyle of the humerus to the radius

62
Q

ulnar collateral ligament

A

connects the medial epicondyle of the humerus to the ulna

63
Q

radioulnar joint

A

articulation between the radius and ulna and their proximal ends; produces supination and pronation

64
Q

radioulnar ligament

A

connects radius and ulna

65
Q

radoiocarpal ligaments

A

radius and carpal bones

66
Q

articular disc

A

forms a pad between articulating bones that crosses the entire joint capsule

67
Q

radoiocarpal joint

A

pertaining to the joint between the radius and wrist

68
Q

ulnocarpal disc

A

from distal radioulnar joint

69
Q

forearm pronators

A

pronator teres, pronator quadratus

70
Q

forearm supinators

A

biceps brachii, supinator

71
Q

forearm flexors

A
  1. palmaris longus
  2. flexor carpi radialis
  3. flexor carpi ulnaris
  4. flexor digitorum superficialis
  5. flexor digitorum profundus
72
Q

forearm extensors

A
  1. extensor carpi radialis
  2. extensor digitorum
  3. extensor digiti minimi
  4. extensor carpi ulnaris
  5. abductor pollicis longus
  6. extensor pollicis longus
  7. extensor pollicis brevis
  8. extensor indicis
73
Q

movement at the wrist

A

condyloid (flexion and extension; abduction and adduction). Primarily caused by “carpi” muscles of the forearm

74
Q

carpal tunnel

A

space between carpal bones and flexor retinaculum. Includes median nerve, flexor digitorum superficialis and profundus

75
Q

carpal tunnel syndrome

A

compression of the median nerve as it passes between the ligament and the bones and tendons of the wrist. Thenar (thumb) muscle weakness, and skin paraesthesia

76
Q

digit 1

A

pollicis (thumb)

77
Q

digit 2

A

index finger

78
Q

digit 3

A

middle finger

79
Q

digit 4

A

ring finger

80
Q

digit 5

A

digiti minimi (pinky)

81
Q

scaphoid fracture

A

break in scaphoid bone in thumb, palpation of anatomical snuffbox will be painful

82
Q

avascular necrosis

A

an area of bone tissue death caused by insufficient blood flow

83
Q

lumbricals

A

flex metacarpophalangeal joint, extend interphalangeal joints

84
Q

dorsal interossei

A

4; abduct digits from midline (digit 3), ulnar nerve

85
Q

4 DAB

A

D=dorsal, AB=abduct

86
Q

palmar interossei

A

3; adduct digits to midline (digit 3), ulnar nerve

87
Q

3 PAD

A

P=palmar, AD=adduct

88
Q

thenar muscles

A

abductor pollicis brevis, flexor pollicis brevis, opponens pollics. Muscles that move the thumb

89
Q

posterior forearm compartment

A
  • extensors
  • radial nerve
90
Q

anterior compartment

A
  • flexors
  • median and ulnar nerve

Kin 1060 (11 decks)

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