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ANATOMY TEST 2 > guest lecture > Flashcards

guest lecture Flashcards

1
Q

how do you check the median nerve

A

okay sign

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2
Q

how do you check the radial nerve

A

thumbs up

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3
Q

how do you check the ulnar nerve

A

restroom sign

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4
Q

what is the carpal tunnel syndrome

A

entrapment of the median nerve in the carpal tunnel

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5
Q

what are motor impairments of carpal tunnel syndrome

A

weakness and atrophy of the thenar muscles

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6
Q

what passes thru the carpal tunnel

A

flexor digitorum superficial
flexor digitorum profundus
flexor pollicis longus
median nerve

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7
Q

when you get surgery for carpal tunnel syndrome what are you releasing

A

the transverse carpal ligament

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8
Q

the transverse carpal ligament does not

A

make bowstring

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9
Q

what is median nerve palsy

A

impaired sensation among palmer aspect of radial half of hand

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10
Q

if you have proximal median nerve palsy then you have loss of

A

anterior compartment of forearm (except FCU and medial half of FDP)

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11
Q

is you have distal median nerve palsy then there is loss of

A

thenar muscles and lateral 2 lumbricals

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12
Q

what is ape hand

A

atrophy of thenar muscles

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13
Q

where dies the thumb rest in ape hand

A

in addiction

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14
Q

ape hand is described in

A

resting position

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15
Q

what is the hand of benediction

A

extension of digits 1-3 when actively making a fist

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16
Q

what is radial nerve palsy

A

impaired sensation along dorsal aspect of thumb and radial half of the hand

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17
Q

radial nerve palsy causes a loss of muscles in

A

posterior arm and forearm with a decreased grip strength

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18
Q

what is wrist drop

A

wrist rests in flexion

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19
Q

what does wrist drop limit

A

the ability to extend teh wrist and fingers

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20
Q

what is ulnar nerve palsy

A

impaired sensation along the palmar aspect of digit 5 and ulnar half of digit 4

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21
Q

proximal ulnar nerve palsy leads to loss of

A

FCU and medial half of FDP

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22
Q

distal ulnar nerve palsy leads to loss of

A

intrinsics , adductor pollicis , hypothenar muscles, and medial 2 lumbricals

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23
Q

what is Claw hand

A

MCO joints are hyperextended and Ip joins are flexed

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24
Q

claw hand leads to

A

loss of intrinsic muscles

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25
Q

clawing is most pronounced in what fingers

A

medial

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26
Q

in claw hand the lateral 2 fingers still have

A

lumbricals inn by median nerve

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27
Q

DR. CUMA

A

Drop wrist with Radial nerve injury
Claw hand with Ulanr nerve injury
Ape hand with Median nerve injury

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28
Q

what is the treatment of the brachial plexus injury

A

donor activated focused rehabilitation approach (DAFRA)

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29
Q

the donor activated focused rehabilitation approach is used to strengthening what

A

new neural pathways to maximize functional outcomes

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30
Q

other treatments for the brachial plexus injury

A

grip strengthening
dexterity

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31
Q

what is DeQuervain’s syndrome

A

inflammation of the 1st dorsal compartment

32
Q

DeQuervain’s syndrome is caused by

A

young mothers lifting children
repeated lifting or use of thumb

33
Q

what 2 muscles are affected with DeQuervains syndrome

A

extensor pollicis brevis
abductor pollicis longus

34
Q

DeQuervains syndrome prevents thumb

A

flexion
extension
abduction

35
Q

what is the treatment of DeQuervains syndrome

A

thumb spica orthotics

36
Q

what does the thumb spica orthosis do

A

mobilize IP joint of thumb

37
Q

what does surgery do in the DeQuervains syndrome

A

release the extensor retinaculum

38
Q

what is the purpose of the extensor hood

A

extension of the IP joints

39
Q

the extensor hood facilitates coordinated

A

finger flexion

40
Q

what type of fibers are the sagittal band

A

transverse fibers

41
Q

is teh sagittal band on top or bottom of it ehED

A

top

42
Q

what does the sagittal band stabilize

A

volar plates and MCP joints

43
Q

what does the sagittal band prevent

A

bowstringing of extensor tendons

44
Q

what is the purpose of the central tendon

A

extends the PIP joint

45
Q

where does the central tendon of the EH attached

A

at the MIP joint

46
Q

what does the lateral band of the EH do

A

extends teh DIP joint

47
Q

where does the lateral band come off of

A

the central tendon

48
Q

which band is more distal int he extensor hood

A

lateral band

49
Q

what does the oblique retinacular ligament do

A

coordinates the PIP and DIP motion

50
Q

what does the PIP do at the oblique retinacular ligament

A

pip extension elongates at the ORL

51
Q

what happens when the PIP extension enlongates at the oblique retinacular ligament

A

passion tension to extend the DIP

52
Q

what does the DID do at the ORL

A

dip flexion enlongates

53
Q

what happens when he DIP flexion enlongates at the ORL

A

passive tension to flex PIP

54
Q

what does the terminal tendon do

A

extends tehDIP joint

55
Q

what tendon des swan neck deformity damage

A

the terminal tendon

56
Q

what causes swan neck deformity

A

direct blow to the DIP joint when the digits are extended

57
Q

what is the deformity of the swan neck

A

PIP joint is hyperextended and the DIP joint is flexed

58
Q

what is it called when someone has a duvet injury to the central tendon/slip , votary PIP joint dilation or secondary to RA

A

boutonnière deformity

59
Q

what is the deformity for boutonnière deformity

A

PIP joint flexion and DIP joint hyperextension

60
Q

what tendons pass thru a lully system

A

flexor digitorum superficial
flexor digitorum profundus

61
Q

how many annular pulleys are there

A

5

62
Q

how many crucial pulleys are there

A

2

63
Q

what is the orientation of the annular pulleys

A

transverse orientation (horizontal

64
Q

what is the orientation for the crucible pulleys

A

oblique orientation

65
Q

what do the pulleys prevent

A

bowstringing of flexor tendons

66
Q

what do the pulleys promote

A

tendon gliding

67
Q

what do the pulleys increase

A

mechanical advantage for finger flexion

68
Q

what are the2 most important pulleys

A

A2 and A4

69
Q

where is teh A2 pulley located by

A

the MCP joint

70
Q

where is the A4 pulley located

A

near the PIP joint

71
Q

A2 and A4 pulleys are essential to

A

prevention bowstringing around these joint

72
Q

what is another work for stenosis tenosynovitis

A

trigger finger

73
Q

in trigger fingers what is there a fighting of

A

the flexor tendon sheath because of repetitive gripping activities

74
Q

where is trigger finger most common at

A

at the MCP joint

75
Q

in trigger finger as the finger bends and straightens what happens

A

the fibrotic section becomes stuck under th pulley and pops when it passes thru

76
Q

what is the treament for trigger finger

A

relation motion orthosis

77
Q

what does surgery do for trigger finger

A

release the affected tendon

ANATOMY TEST 2 (11 decks)

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