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anatomy > things i keep forgetting > Flashcards

things i keep forgetting Flashcards

1
Q

occipitofrontalis

A

raises eyes/wrinkles forehead

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2
Q

orbicularis oculi

A

closes eye/winking

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3
Q

buccinator

A

cheek on teeth; pushes air out resisting distension; can draw mouth to one side

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4
Q

zygomaticus major

A

pulls corner of mouth superior and lateral

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5
Q

levator anguli oris

A

raises angle of mouth

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6
Q

risorious

A

“sus smile”
retracts outer corner of mouth (grimace)

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7
Q

depressor angle oris

A

pulls angle of mouth inferior and lateral

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8
Q

mentalis

A

elevates/protrudes lower lips

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9
Q

platysma

A

depresses skin/wrinkles neck

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10
Q

orbicularis oris

A

compresses/protrudes lips (kissing, blowing, sucking) resisting distention

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11
Q

what are the branches of the facial nerve (innervates muscles of facial expression)

A

temporalis
zygomatic
buccinator
marginal mandibular
cervical
posterior auricular

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12
Q

action of semispinalis capitis

A

extend neck/head
lat flex (same side)
rotate OPPOSITE

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13
Q

splenias capitis

A

extend
lat flex/rotate SAME

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14
Q

longissimus capitis

A

extend
lat flex/rotate SAME

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15
Q

iliocostalis

A

extend
lateral flex

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16
Q

longus colli/capitis

A

flex
lat flex/rotate same side

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17
Q

rectus capitis anterior/laterales

A

flex @ A-O
lat flex @A-O

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18
Q

suprahyoid ms action

A

elevate hyoid/ depress (open) mandible

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19
Q

infrahyoid ms action

A

depress hyoid/ draw larynx/pharynx down during phonation and swallowing (except thyro)

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20
Q

submandibular triangle

A

submandibular gland
hypoglossal n
facial a/v

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21
Q

muscular triangle

A

sternohyoid
sternothyroid
thyroid
parathyroid

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22
Q

carotid triangle

A

carotid body
carotid bifurcation
vagus n
hypoglossal n

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23
Q

scm region

A

contents of carotid sheath: carotid a, int jugular vein, vagus n (and jugular ln)

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24
Q

occipital (post triangle)

A

accessory n
transverse cervical a
trunks of plexus
cervical plexus

25
Q

omoclavicular (post triangle)

A

suprascapular a
subclavian a

26
Q

deep fascia of neck

A

investing, pre tracheal, prevertebral, carotid

27
Q

investing

A

covers scm and trap

28
Q

pretracheal

A

nasopharynx
respiratory track
thyroid

29
Q

prevertebral

A

scalenes
post neck ms
trunks of plexus
phrenic

30
Q

ms that elevate the mandible

A

masseter
temporalis
med ptery

31
Q

ms that depress the mandible

A

lat ptery (opens about 15 deg)

32
Q

ms that protrude the mandible

A

masseter
med ptery
lat ptery

33
Q

ms that retract the mandible

A

temporalis

34
Q

lateral movements of mandible (chewing)

A

temporalis
lateral ptery
med ptery (small grinding)

35
Q

synovial joints must have:

A
  1. joint cavity
  2. articular cartilage
  3. synovial membrane
  4. fibrous capsule
36
Q

kyphosis

A

excessive posterior tilt of spine

(thoracic spine has a normal kyphotic curvature)

37
Q

lordosis

A

excessive anteiror tilt

38
Q

what intrinsic back muscles contralaterally rotate

A

semispinalis
rotatores
multifidus
levator costarum

39
Q

what intrinsic back muscles are innervated by anterior rami

A

intertransverssari anteriores cervicis and lateralis lumborum

40
Q

ligaments of the tfcc

A
  1. dorsal radioulnar ligament
  2. palmar radioulnar ligament
  3. ulnocarpal disc
  4. ulnotriquetrial
  5. radiotriquetrial
  6. ulno lunate ligament
  7. UCL
  8. ulnocarpo meniscus homologue
41
Q

what is in the anatomical snuff box

A

tendons: extensor pollicis brevis and abductor pollicis longus

bones deep in snuff box: trapezium/scaphoid (bad blood supply)

radial a. runs deep

inflammation: dequervians tenosynovitis (inflammation of the synovial sheaths that holds the tendon)

42
Q

1st CMC joint

A

saddle joint

flex/ext-trapezium is convex
abd/add- trapezium is concave
opposition- initial abduction followed by medial rotation

other CMC joints- plane joints (glide/slide)

43
Q

abductor pollicis longus

A

int mem to base of 1st
abd @ CMC

44
Q

abductor pollicis brevis (thenar)

A

scaphoid/trap to base of proximal phalanx
CMC abduct

45
Q

extensor pollicus longus

A

int mem to base of distal phalanx
ext @ WRIST/MCP/IP
CMC ABD (line of pull)

46
Q

extensor pollicis brevis

A

int mem to base of metacarpal
ext @ CMC/MCP

47
Q

flexor pollicis longus

A

int mem to distal phalanx
flex @ WRIST/CMC/MCP/IP

48
Q

adductor pollicis brevis (thenar)

A

transverse- 3rd MC
oblique- capitate + MC 2+3

CMC ADD
MCP FLEX

CC) ape hand (median nerve injury, only thenar muscle innervated by ulnar nerve)

49
Q

flexor pollicis brevis

A

superficial (flexor retinaculum)
deep (cap+trap)
DEEP HEAD IS INNERVATED BY ULNAR NERVE
CMC flex

50
Q

opponens pollicis

A

trap to MC
opposition of the thumb

51
Q

WHAT THENAR MUSCLES ARE NOT INNERVATED BY MEDIAN NERVE

A

ADDUCTOR POLLICIS
DEEP HEAD OF FLEXOR POLLICIS BREVIS

52
Q

opponens digiti minimi

A

hook of ham to the MC
pinky opposition

53
Q

flexor digiti minimi brevis

A

hook of ham/flexor ret to base of prox pal

MCP flex

54
Q

abductor digiti minimi

A

pisiform to prox phalanx

INSERTS ON DDE WHICH MEANS IT MCP FLEX/PIP/DIP EXT

ALSO, abduct pinky

55
Q

palmar interossei

A

Adduct fingers towards middle finger (which is why the muscle is not on the middle finger)

(muscle stays on the finger but on the side closest to the middle- dig 2,4,5)

56
Q

dorsal interossei

A

bipennate
ABDUCT THE FINGERS AWAY

MC to next proximal phalanx

2 insert on the middle finger

57
Q

lumbricals

A

1/2- MEDIAN

3/4 bipennate- ULNAR

“lumbrical grip”

ONLY MUSCLES THAT INSERT ON THE TENDON OF FDP (CAUSE MCP FLEX/DIP/PIP EXT)

58
Q

CVAS

A

MCA OCCLUSION
- most common
- LE >
PCA OCCLUSION

59
Q
A

anatomy (10 decks)

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