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ANATOMY TEST 2 > lecture 11: antebrachial extensors notes > Flashcards

lecture 11: antebrachial extensors notes Flashcards

1
Q

what is the lister’s tuubercle a pulley for

A

extensor pollicis longus

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2
Q

where is the lister’s tubercle

A

dorsal distal radius

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3
Q

proximal row of carpals (radial to ulnar side)

A

scaphoid
lunate
triquetrum
pisiform

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4
Q

distal carpal row (radial to ulnar side)

A

trapezium
trapezoid
capitate
hamate

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5
Q

what is the number 1 fracture of the carpal bone

A

scaphoid

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6
Q

what type of bone is the pisiform

A

sesamoid bone

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7
Q

how many metacarpals are there

A

5

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8
Q

how many phalanges are there

A

14

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9
Q

how many phalanges does the thumb have

A

2 phalanges (proximal and distal)

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10
Q

what is the structural classification of the distal radioulnar joint

A

pivot

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11
Q

what is the functional classification of the distal radioulnar joint

A

uniaxial

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12
Q

what are the movements of the distal radioulnar joint

A

pronation and supination

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13
Q

what are the supporting ligaments of the distal radioulnar joint

A

volar radioulnar ligaments
dorsal radioulnar ligaments

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14
Q

what is the structural classification of the radiocarpal joint

A

ellipsoidw

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15
Q

what is the functional classification of the radiocarpal joint

A

biaxial

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16
Q

what are the movements of the radiocarpal joint

A

flexion
extension
radial
deviation
ulnar deviation

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17
Q

what is the primary articulation between distal forearm and proximal carpal bones

A

radiocarpal joint

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18
Q

what is the structural classifcation of the midcarpal joint

A

ellipsoid

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19
Q

what is the functional classification of the midcarpal joint

A

biaxial

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20
Q

what is the movements of the midcarpal joint

A

flexion, extension , radial deviation , ulnar deviation and circumduction

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21
Q

what is the complex interaction with proximal row to perform global wrist and hand movements

A

midcarpal joint

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22
Q

the triangular fibrocartilage complex is the cushion between the

A

distal ulna and carpals

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23
Q

the triangular fibrocartilage complex is the stability on the

A

ulnar side of the wrist

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24
Q

what ligament helps with excessive supination and pronation

A

palmar radioulnar ligament

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25
Q

what are the movemetns of the carpometacarpal joint of the fingers

A

volar/dorsal gliding

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26
Q

what is the structural/functional classification of the carpometacarpal joint of the fingers

A

gliding

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27
Q

what is the structural classification of the metacarpophalangeal joints

A

ellipsoid

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28
Q

what is the functional classification of the metacarpophalangeal joints

A

biaxial

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29
Q

what are the movements of the MCP joints

A

flexion , extentsion, abduction, adduction

30
Q

what movement of the MCP joints produce volvar gliding

A

flexion

31
Q

what movement of the MCP joint produces dorsal gliding

A

extension

32
Q

what is the structural classification ofthe interphalangeal joints

A

hinge

33
Q

what is the functional classification of the interphalangeal joints

A

uniaxial

34
Q

what are the movements of the interphalangeal joints

A

flexion and extension

35
Q

how many IP joints of the thumb have

A

1

36
Q

what is the structural classification of the carpometacarpal joint of the thumb

A

saddle

37
Q

what is the functional classification of the carpomeacarpal joint of the thumb

A

biaxial

38
Q

what are the movements of the classification of the carpometacarpal joint of the thumb

A

flexion, extension , abduction, adduction

39
Q

the CMC joint is wha type of joint

A

basilar joint

40
Q

which carpal bone articulates with the first metacarpal joint

A

the trapezium

41
Q

where are the common extensor tendon injuires

A

thumb
long fingers

42
Q

how many extensor tendon zones are there

A

8

43
Q

where do the extrinsic muscles originate from

A

promixal to the wrist

44
Q

the extrinsic muscles generate

A

greater force

45
Q

where are the intrinsic muscles contained at

A

within the entire hand

46
Q

what is the superficial group of the extrinsic extensor muscles

A

extensor carpi radialis longus
extensor carpi radialis brevis
extensor carpi ulnaris
extensor digitorum
extensor digiti minimi

47
Q

what are the deep muscles of the extrinsic extensor muscles

A

extensor indicis
supinator

48
Q

what are the out dropping from the deeep muscles of the extrinsic extensor muscles

A

abductor pollicis longus
extensor pollicis brevis
extensor pollicis longus

49
Q

the extensor carpi radialis longus and brevis start at at

A

lateral epicondyle

50
Q

the extensor carpi radialis longus and brevis end at the

A

base of a metacarpal

51
Q

what muscles are associated with tennis elbow

A

extensor carpi radialis longus
extensor carpi radialis brevis

52
Q

where is the inflammation located for “tennis elbow”

A

periosteum at the lateral epicondyle

53
Q

where does the extensor digitorum originate from

A

lateral epicondyle

54
Q

where does the extensor carpi ulnaris start

A

lateral epicondyle

55
Q

where does the extensor carpi radialis go to

A

the base of the 5th metacarpal

55
Q

extensors of the thumb include

A

abductor pollicis longus
extensor pollicis brevis
extensor pollicis longus

55
Q

anatomical snuffbox consist of what muscles

A

abductor pollicis longus
extensor pollicis brevis
extensor pollicis longus

55
Q

what is the purpose of the extensor retinaculum

A

keeps tendons in place and seperates them inot 6 compartments

56
Q

what is referred to as “texting thumb”

A

de quervain’s tenosynovitis

57
Q

what is de quervain’s tenosynovitis

A

cumulative trauma disorder of tendons of 1st dorsal compartment

58
Q

what muscles are apart of the first dorsal compartment

A

abductor pollicis longus
extensor pollicis brevis

59
Q

what muscles are apart of the second dorsal compartment

A

extensor carpi radialis longus
extensor carpi radialis brevis

60
Q

what muscles are apart of the 3rd dorsal compartment

A

extensor pollicis longs

61
Q

what muscles are apart of the 4th dorsal compartment

A

tendon sheath for extensor digitorum and extensor indicis

62
Q

what msucles are apart of the 5th dorsal compartment

A

extensor digiti minimi

63
Q

what is the smiths fracture

A

volar displacement of distal radial bone

64
Q

what is the colles’ fracture

A

dorsal displacement of distal radial bone

65
Q

what side of the wrist does the surgery for distal radius fracture happen

A

volvar side always

66
Q

what is the MOI for a scaphoid fracture

A

from a fall on a out stretched hand

67
Q

what can a scaphoid fracture lead to

A

necrotic proximal fragment

68
Q
A

ANATOMY TEST 2 (11 decks)

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