Neonatal Reflexes Flashcards
Onset/Integration of Flexor Withdrawal reflex
O: 28 weeks gestation
I: 1-2 months
Stimulus and response of flexor withdrawal reflex?
S: noxious stimulus (pinprick) to sole of foot
R: Toes extend, foot DF’s, LE flexes uncontrollably
Onset/integration of crossed extension reflex?
O: 28 weeks gestation
I: 1-2 months
Stimulus/response of crossed extension reflex?
S: noxious stimulus to ball of foot of LE fixed in EXT
R: Opposite LE flexes, then ADD and EXT
Onset/integration of rooting reflex
O: 28 weeks gestation
I: 1-2 months
Stimulus/response of rooting reflex
S: Stroking the side of babys cheek
R: head turns toward stimulus and mouth opens
Onset/Integration of traction reflex
O: 28 weeks gestation
I: 2-5 months
Stimulus/response of traction reflex
S: grasp FA and pull up from supine into sitting position
R: Grasp and total FLEX of the UE
Onset/integration of Asymmetrical tonic neck reflex (ATNR)
O: birth
I: 4-6 months
Stimulus/response of ATNR
S: Rot. Of head to one side
R: FLEX of SKULL LIMBS, EXT of JAW LIMBS “bow and arrow posture”
Onset/integration of palmar grasp reflex
O: birth
I: 4-6 months
Stimulus/response of palmar grasp reflex
S: maintained pressure to palm of hand
R: maintained flexión of fingers
O/I or moro reflex
O: 28 weeks gestation
I: 5-6 months
Stimulus/response of Moro reflex
S: drop patient backward from sitting position
R: Ext, ABD of UE’s hand opening and crying followed by Flex and ADD of arms across chest
O/I of symettrical tonic labyrinthine reflex (TLR/STLR)
O: birth
I: 6 months
Stimulus/response of STLR reflex?
S: prone or supine position
R: PRONE: increased flexor tone of all limbs, SUPINE: increased extensor tone of all limbs.
O/I of positive supporting standing reflex
O: birth
I: 6 months
Stimulus/response of positive supporting standing
S: contact to the ball of the foot in upright standing position
R: rigid extension (co-contraction of the LE’x
O/I of plantar grasp reflex?
O: 28 weeks gestation
I: 9 months
Stimulus/response to plantar grasp reflex
S: maintained pressure to ball of foot under toes
R: maintained flexion of toes
O/I of symmetrical tonic neck reflex (STNR)
O: 4-6 months
I: 8-12 months
Stimulus/response to STNR?
S: flex or ext of the head
R:
-Head flexion: flex of UE’s, Ext or LE’s
-Head Ext: ext of UE’s, flex of LE’s
O/I of startle reflex?
O: birth
I: persists
Stimulus/response of the startle reflex?
S: Sudden loud or harsh noise
R: sudden ext or ABD of UE’s, Crying
O/I of landau reflex?
O: 4-5 months
I: 1 year
S/R of landau reflex?
S: hold baby by stomach in the air
R: should flex/hold out UE’s and LE’s
O/I of galant reflex?
O: 20 weeks gestation
I: 3-9 months
S/R of galant reflex?
S: put child in prone or quadruped and stroke mid back
R: child should flex/contract at side or movement of hip outwards
O/I Neck righting reflex?
O: birth
Neck righting reflex?
When head turns in supine, the whole body follows
Labyrinthine Head righting reflex?
Onset: 2 months
-Child maintains head upright
Head righting/oculo head righting
O: 2-3 months
Reflex: head maintains vertical orientation in space relative to gravity.
Protective extension?
6 months: forward
