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Anatomy E2 > Starred Lecture Items L14 > Flashcards

Starred Lecture Items L14 Flashcards

1
Q

what ligament is involved in suprascapular nerve entrapment

A

transverse scapular ligament

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2
Q

what travels under the transverse scapular ligament

A

suprascapular nerve

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3
Q

what travels above the transverse scapular ligament

A

suprascapular artery

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4
Q

what muscles are enervated by the suprascapular nerve

A

infraspinatus and supraspinatus

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5
Q

what trunk is the shoulder not enervated by

A

inferior trunk (C8 T1)

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6
Q

what are the areas of entrapment related to thoracic outlet syndrome

A

between middle and anterior scalene
deep to pec minor
d/w clavicle and 1st rib
UE in hyperabduction
cervical rib

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7
Q

what is the dermatome for median nerve

A

palm, palm side 3 1/2 fingers, nail area of dorsal side

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8
Q

what is the dermatome for superficial radial

A

back of hand, back 3 1/2 fingers, NOT nails

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9
Q

what muscles form the common extensor group

A

ECRB, ECRL, ECU, extensor digitorum, EDM

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10
Q

what cord does radial n originate

A

posterior cord

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11
Q

radial nerve actions of the thumb

A

thenar extension and abduction

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12
Q

which thumb action would be impossible if radial nerve was cut

A

thumb extention

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13
Q

radial nerve entrapment areas in radial tunnel

A

arcade of froshe, distal edge of supinator muscle (not too impt)

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14
Q

what myotome does thumbs up action

A

c6

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15
Q

what injury of the wrist occurs if radial nerve is cut

A

wrist drop (can still move the wrist passively just cant actively raise it)

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16
Q

does the deep radial nerve (PIN) innervate any hand intrinsic muscles

A

no, radial nerve doesn’t innervate any hand intrinsic muscles

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17
Q

which long digit doesnt have a PAD attachment

A

3rd

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18
Q

does og branch of median nerve ennervate upper arm?

A

no

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19
Q

what does the AIN ennervate

A

3 deep layer muscles of the forearm (lateral half of FDP, FPL, PQ)

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20
Q

what muscles does the median nerve inervate

A

PT, FCR, PL, FDS

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21
Q

median nerve entrapment sites

A

pronator teres region
carpal tunnel

22
Q

what travels through the carpal tunnel

A

median nerve, 10 tendons– 4 flexor superficialis, 4 flexor profundus, FCR, FPL

23
Q

ape hand

A

median nerve injury
thumb rests in adduction
muscle wasting

24
Q

hand of benediction

A

median nerve injury

cant flex thumb, index finger, middle finger when making a fist

ulnar nerve is intact so can flex ring and pinkie

25
Q

what muscles do supination

A

supinator and biceps

26
Q

main supinator

A

biceps

27
Q

what space does axillary run through

A

QS

28
Q

t/f the muscles of the thenar compartment all proximally attach at the triquetrum and scaphoid

A

false (triquetrum is on the ulnar side)

29
Q

does the ulnar nerve innervate muscles in the upper arm

A

no

30
Q

ulnar neuritis

A

numbness in 4th and 5th digits from increased pressure and tension on the ulnar nerve in the cubital tunnel w/ flexed elbow

31
Q

ulnar transposition

A

surgical relocation of the ulnar nerve in the cubital tunnel
movement from the cubital tunnel to anterior to the medial epicondyle

32
Q

superficial branch of ulnar nerve
deep branch of ulnar nerve

A

deep: everything in hand
superficial: everything else

33
Q

guyons’ canal contents, borders

A

contents: ulnar nerve, ulnar artery
borders: pisiform, hook of hamate, roof (volar carpal ligament)

34
Q

screen for ulnar nerve issues

A

crossing fingers, pulling piece of paper from between fingers

35
Q

claw hand

A

ulnar nerve injury
pinkie and ring in flexion (ext superficialis is intact bc ulnar doesnt inervate), middle, index, and thumb in extension (bc ulnar nerve is affected)

36
Q

what dermatome does ulnar nerve inervate

A

C8

37
Q

superior trunk injuries (what spinal level, what causes)

A

MORE COMMON
“waiter’s tip”/ erb-duchenne palsy
C5 C6
injury happens from neck movements

38
Q

inferior trunk injuries (what spinal level, what causes)

A

LESS COMMON
“Klumpke palsy”/paralysis, claw hand
C8, T1
UE pulled superiorly

39
Q

what muscles do sock puppet

A

lumbricals, PAD, DAB

40
Q

tenodesis and what spinal level

A

passive finger flexion with active wrist extension (C6)

41
Q

of the following which doesnt distally attach to the extensor hood of any of the long fingers
extensor indicis
extensor digitorum
extensor carpi ulnaris
lumbricals

A

extensor carpi ulnaris

42
Q

intrinsic plus position

A

MCP flexion
PIP/DIP extension
*sock puppet

43
Q

intrinsic minus position

A

MCP hyperextension
IP flexion
*clawing of fingers

44
Q

composite grasp pattern

A

maximal flexion of all digits
*wringing out towel

45
Q

spherical grasp pattern

A

varied flexion of digits
*holding ball

46
Q

hook grasp pattern and which tendon must be attached to do this

A

flexion of PIPs and DIPs
extension of MCPs
*carrying bucket
flexor digitorum profundus

47
Q

cylindrical grasp pattern

A

midrange flexion of digits
*turning steering wheel

48
Q

UE neural tension position arm on wall, turn head

A

median nerve

49
Q

UE neural tension position OK sign upside down on eye

A

ulnar nerve

50
Q

UE neural tension position grab hands behind back and stretch up

A

radial nerve

Anatomy E2 (10 decks)

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