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Anatomy E2 > Starred Lecture Items L12 > Flashcards

Starred Lecture Items L12 Flashcards

1
Q

what side is listers tubercle on

A

dorsal

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2
Q

what uses listers tubercle to change directions

A

EPL

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3
Q

what carpal is above scaphoid

A

trapezium (bc easy to fracture)

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4
Q

what carpal is above lunate

A

capitate (cap on the moon)

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5
Q

column of carpals most ulnar

A

triquetrum, pisiform, hamate
rum pisi ham

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6
Q

three palmar arches

A

distal transverse
proximal transverse
longitudinal

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7
Q

wrist creases and what do they match up with

A

proximal, middle, distal
match up with carpals

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8
Q

what joint does thumb abduction

A

CMC (carpal metacarpal)

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9
Q

extrinsic muscles of the hand originate….

A

originate proximal to the wrist
generate greater force

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10
Q

intrinsic muscles of the hand are found where

A

contained entirely withIN the hand
precise control

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11
Q

superficial layer of the flexors

A

flexor carpi radialis (FCR)
flexor carpi ulnaris (FCU)
palmaris longus

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12
Q

intermediate layer of flexors

A

flexor digitorum superficialis (FDS)

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13
Q

deep layer of flexors

A

flexor digitorum profundus
flexor pollicis longus
pronator quadratus

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14
Q

which flexor muscle does not go to the wrist/hand

A

pronator teres

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15
Q

which nerve enervates flexor carpi radialis

A

median C6 and C7*

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16
Q

which nerve enervates flexor carpi ulnaris

A

ulnar nerve (C7 and C8*)

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17
Q

which is not true about FCU/FCR (slide 19)

A

they are both enervated by the median nerve

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18
Q

FCU/FCR dual actions

A

both flex the wrists
each try to deviate

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19
Q

FCU/FCR dual attachments

A

medial epicondyle of humerus (common flexor tendon)
bases of 2nd and 3rd (FCR) and 5th (FCU) metacarpals

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20
Q

which splits FDS or FDP

A

FDS: s=splits

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21
Q

does FDS flex DIP joint

A

no

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22
Q

what joints does FDS flex

A

PIP MCP

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23
Q

what joints does FDP flex

A

PIP MCP DIP

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24
Q

what is the only muscle that flexes DIP

A

FDP

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25
Q

what nerve enervates FDP

A

2-3 digits: median (AIN) (C8* and T1)
4-5: ulnar (C8 and T1*)

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26
Q

what goes through the split of FDS

A

FDP: “profundus penetrates”

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27
Q

where does FDP insert after emerging through FDS & what does it do there

A

on distal phalanx to flex DIP joint

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28
Q

flexor tendon zone TI

A
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29
Q

flexor tendon zone TII

A
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30
Q

flexor tendon zone TIII

A
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31
Q

flexor tendon zone TIV

A
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32
Q

flexor tendon zone TV

A
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33
Q

which flexor tendon zone is “no mans zone” and why

A

zone II because it has the FDS/FDP split so its intricate to fix injuries here

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34
Q

how many annular pulleys on each finger

A

5

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35
Q

how many cruciate pulleys on each finger

A

4

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36
Q

annular meaning
cruciate meaning

A

annular: circular (horizontal)
cruciate: cross (diagonal)

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37
Q

which pulleys are most important and where are they found?

A

A4 (middle of middle phalanx) and A2 (middle of proximal phalanx)

use them while rock climbing

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38
Q

what keeps FDS in place

A

vincula brevis and vinculum longus

39
Q

trigger finger cause and what does it lead to

A

covering of the tendon is closing in and not allowing it to glide

inflammation of A1 pulley

leads to locking finger in flexed position (stuck not torn)

40
Q

which pulley causes trigger finger

A

A1

41
Q

flexor pollicis longus actions

A
42
Q

flexor pollicis longus attachments

A
43
Q

pronator quadratus enervated by what nerve

A

median nerve (AIN) (C8* and T1)

44
Q

flexor pollicis longus nerve enervation

A

Median nerve ain c8 t1

45
Q

what becomes the floor of the snuffbox

A

radial artery

46
Q

what are the two walls of the snuffbox

A
47
Q

mallet finger deformity

A

distal phalynx hangs down (cant straighten end of finger out)

ruptured long extensor tendon

48
Q

boxer fracture what is effected

A

fracture in the 5th metacarpal neck (pinkie)

49
Q

where is the neck of the metacarpal

A

right above the head

50
Q

gamekeepers thumb/skiers thumb what occurs

A

UCL on the ulnar side of the thumb is torn

51
Q

thenar muscles

A

flexor pollicis brevis
abductor pollicis brevis
opponens pollicis

52
Q

where is the thenar region/ thenar eminence

A

thumb area/ raised area

53
Q

what nerve enervates flexor pollicis brevis

A

superficial head: recurrent branch of median (C8* and T1)
deep head: ulnar (C8 and T1*)

54
Q

what muscles are enervated by two nerves

A

FDP
FPB
lumbricals

55
Q

flexor pollicis brevis FPB actions

A
56
Q

flexor pollicis brevis FPB attachments

A
57
Q

abductor pollicis brevis attachments

A
58
Q

abductor pollicis brevis actions

A
59
Q

abductor pollicis brevis nerve enervation

A

median nerve (C8* T1)

60
Q

opponens pollicis enervation

A

Recurrent median nerve (C8* and T1)

61
Q

opponens pollicis attachments

A
62
Q

opponens pollicis actions

A

opposes thumb (draws 1st metacarpal medially to center of palm & rotates it medially)

63
Q

hypothenar region muscles

A

flexor digiti minimi
abductor digiti minimi
opponens digiti minimi

64
Q

flexor digiti minimi actions

A
65
Q

flexor digiti minimi attachments

A
66
Q

flexor digiti minimi enervation

A

ulnar nerve (C8 and T1)

67
Q

abductor digiti minimi attachments

A
68
Q

which two muscles attach to the pisiform

A

FCU AbductorDM

69
Q

abductor digiti minimi actions

A
70
Q

opponens digiti minimi attachments

A
71
Q

opponens digiti minimi actions

A
72
Q

opponens digiti minimi enervation

A
73
Q

adductor pollicis enervation

A

ulnar nerve (C8 and T1*)
impt bc opposite side

74
Q

adductor pollicis attachments

A
75
Q

adductor pollicis actions

A
76
Q

if ulnar nerve is cut what is effected

A

FCU
Half profundus
digiti minimi
Adductor pollicis
??????

77
Q

short muscles (3)

A

lumbricals
palmar interossei
dorsal interossei

78
Q

MCP flexion with PIP/DIP extension meaning

A

sock puppet hand

79
Q

lumbricals actions

A
80
Q

lumbricals attachments

A

??????????

81
Q

lumbricals enervation

A
82
Q

what muscle in the hand attaches to tendons

A

lumbricals

83
Q

unipennate vs bipennate
and what lumbricals are each

A

one vs two muscle bellies
1 and 2 are unipennate
3 and 4 are bipennate

84
Q

palmar interossei acronym

A

PAD
finger adduction
towards the middle finger

85
Q

which muscles go to the extensor expansion

A

dorsal interossei, palmar interossei, lumbricals

86
Q

dorsal interossei acronym

A

DAB
finger abduction

87
Q

what three muscles do sock puppet motion

A

?????
not dorsal interossei

88
Q

are dorsal interossei and palmar interossei bipennate or unipenate

A

dorsal= bi
palmar= uni
???

89
Q

which muscles go through the carpal tunnel

A

FDP FDS

90
Q

contents of carpal tunnel

A

FDP FDS FCR FPL
median nerve

91
Q

does the ulnar nerve/artery go through the carpal tunnel

A

no

92
Q

what form the walls of the guyons canal

A

pisiform and hook of hamate

93
Q

dupuytrens contracture and what is most affected

A

abnormal thickening of palmar aponeurosis
contracture of ring and pinkie fingers (very hard to move)

94
Q

contracture vs trigger finger

A

trigger finger is easier to straighten, contracture is not able to be straightened (stuck like that)

Anatomy E2 (10 decks)

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