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PT 10121 - Med Surg 3 > Infantile Reflexes > Flashcards

Infantile Reflexes Flashcards

1
Q

cortical reflexes

A

equilibrium reflex

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2
Q

midbrain reflexes

A

kinetic labyrinthine

sup and post semi-circular canal

body righting acting on body/head

optical righting

labyrinthine righting

amphibian

protective ext

parachute

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3
Q

brainstem reflex

A

ATNR

STNR

static labyrinthine

positive/negative supporting reactions

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4
Q

spinal reflexes

A

flexor withdrawal

extensor thrust

crossed ext

plantar grasp

palmar grasp

sucking

rooting

walking/stepping

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5
Q

moro reflex

A

emerges: 28 wks AOG

suppressed: 4-6 mo.

stim: sudden neck ext

response: UE ext-abd then flex-add

purpose: defensive reaction to falls

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6
Q

startle reflex

A

emerges: 28 wks AOG

suppressed: 4-6 mo.

stim: auditory stim

response: UE flex-add

purpose: defensive reaction to loud noise

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7
Q

abnormal responses of moro reflex

A

absent - birth injury, asphyxia, hemorrhage, infection, brain prob

assym - PNI, cervical cord, clavicle fx

prolonged retention - UMNL or CP

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8
Q

rooting reflex

A

emerges: 28 wks AOG

suppressed: 4-6 mo.

stim: stroking of cheek/corner mouth

response: moving tongue and mouth to stim

purpose: finding food, initiates breast feeding, sign of hunger

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9
Q

causes and effects of retention of rooting reflex

A

ant tongue tie, CN V, frontal lobe prob

excess salivation, diff swallow, poor articulation and thumb suck

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10
Q

sucking reflex

A

emerges: 37 wks

suppressed: before 12 mo.

stim: stroke palate c nipple

response: purse lips then suck

purpose: sucking and breathing-swallowing

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11
Q

delays in sucking reflex

A

assoc c smoking mother

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12
Q

positive supporting reflex

A

emerges:

suppressed: 3-7 mo.

stim: tactile stim and WB on sole

response: leg ext for PWB

purpose:

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13
Q

positive supporting reflex persistence

A

diff gait - heel placement and weight transfer

diff chair neg and stair neg

no balance - rigid LE ext

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14
Q

ATNR

A

emerges: 37 wks

suppressed: 6-7 mo.

stim: head turning

response: face side ext while back side flex

purpose: hand-eye, vestibular, muscle

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15
Q

ATNR persistence

A

cant roll, poor hand-eye coord, poor balance

cant cross midline, dyslexia

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16
Q

STNR

A

emerges: 4-6 mo.

suppressed: 9-12 wks

stim: head flex/ext

response: neck flex = UE flex while LE ext; neck ext = UE ext while LE flex

purpose: separation of UE and LE movements, posture, eye coord

17
Q

STNR retention

A

diff sitting still

visual prob

social and educ delays

HA

reciprocal creeping

quadruped

walking delay

18
Q

importance of STNR

A

development of bilat patterns, move against gravity, quadruped, rocking back and forth

19
Q

palmar grasp

A

emerges: 28 wks AOG

suppressed: 5-6 mo.

stim: pressure on palm or stretch finger flexors

response: flexion of fingers

purpose: basic motor pattern

20
Q

retained palmar grasp

A

diff fine motor skills, sticks out tongue and messy handwriting

21
Q

plantar grasp

A

emerges: 28 wks AOG

suppressed: 12-18 mo.

stim: pressure on sole

response: flexion of toes

purpose:

22
Q

significance of plantar grasp

A

negative or diminished = spasticity

23
Q

automatic walking

A

emerges:

suppressed: 3-4 mo.

stim: sole contact c tilting side to side

response: alternate steps

purpose: can help walk by 10 mo.

24
Q

neck or body on righting

A

emerges: 4 mo.

suppressed:

stim: neck rot in supine

response: sequential body rot from shoulder to pelvis

purpose: enables child to roll

25
Q

absent neck or body on righting

A

CP

26
Q

TLR

A

emerges: 4-6 mo.

suppressed:

stim: supine or prone

response: sEX and pFLEX

purpose: learns to do neck control

27
Q

placing reflex

A

emerges:

suppressed: before 1 yo

stim: tactile contact on dorsum of foot/hand

response: flex extremity to put over obstacle

purpose: failure = neuro abnormality

28
Q

babinski’s reflex

A

emerges: 3-4 mo.

suppressed: 1-2 yrs

stim: stroke on lateral sole from heel to toe

response: ext of big toe and fanning of toes

purpose: protects sole of foot

29
Q

significance of babinski

A

presence later may indicate disease

30
Q

causes of babinski

A

abnormality of corticospinal

UMNL

31
Q

chaddock’s reflex

A

emerges: 3-4 mo.

suppressed: 1-2 yrs

stim: stroke on lateral side beneath lat malleolus

response: ext of big toe and fanning of toes

purpose: protects sole of foot

32
Q

gallant reflex

A

emerges: 20 wks

suppressed:

stim: ventral suspension and stroke one side of spine

response: lat flex towards stim

purpose: for baby to move down during birth

33
Q

causes of gallant

A

stress during pregnancy

CS

brain damage

premature

34
Q

effects of gallant

A

fidgeting

bedwetting

hypersensitivity to clothes

scolio and postural prob

dyslexia

35
Q

head righting

A

emerges: prone: 2 mo. ; supine: 3-4 mo.

suppressed:

stim: visual and vestib

response: align head vertical and mouth horizontal

purpose: balance

36
Q

body-head righting

A

emerges: 4-6 mo.

suppressed:

stim: tactile, proprioception and vestib

response: align body parts in anatomic pos

purpose: balance

37
Q

equilibrium/tilting reaction

A

emerges: sitting: 6-8 mo. ; standing: 12-14 mo.

suppressed:

stim: displacement of COG

response: adjustment of tone and posture of trunk

purpose: balance

38
Q

parachute or protective ext

A

emerges: 5-12 mo.

suppressed:

stim: displacement of COG

response: ext-abd of extremity

purpose: prevent falling

39
Q

parachute or protective ext absent

A

CP

asymm spastic hemiplegia

PT 10121 - Med Surg 3 (20 decks)

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