Infant Reflexes Flashcards
what s level is primary walking
spinal
when does primary walking appear by
38 weeks gestation
when is primary walking integrated by
2 months
primary walking is elicited by
in standing, hold infant under arms and incline forward
results of primary walking
automatic walking steps which are rhythmical and with heel strike
what brain level is galant
spinal
when does galant appear
32 weeks gestation
when is galant integrated by
2 months
how to elicit galanat
support infant by the thorax in prone with one hand (hold on FA); stroke one side of trunk between 12th rib and iliac crest with other hand
results of galant
lateral flexion on trunk toward the side that was stroked
what brain level is palmar grasp/hand grasp
spinal
when does palmar/hand grasp appear
birth
when is palmar/hand grasp integrated
4 months
how is palmar/hand grasp elicited
beginning on ulnar side of hand, apply pressure across the palm
result of palmar/hand grasp
flexion of fingers on the stimulated hand
what brain level is moro (startle)
associated/automatic reaction
when does moro (startle) appear
28 weeks gestation
when is moro (startle) integrated by
5 months
how to elicit moro (startle)
in supine, pull infant by the arms 2-3 inches from the surface and then release
results of moro (startle)
abduction/extension of the arms and legs
what brain level is root
spinal
when is root aquired
28 weeks gestation
when is root integrated by
3 months
how is root elicited
light stroke at the corner of the mouth and cheeck
results of root
lower lip droops, head turns toward stimulus
what brain level is toe/plantar grasp
spinal
when does toe/plantar grasp appear
28 weeks gestation
when is toe/plantar grasp integrated by
9 months
how is toe/plantar grasp elicited
beginning on the medial side, apply pressure to the ball of the foot
results of toe/plantar grasp
flexion of toes on stimulated foot
what brain level is plantar reflex (babinksi)
spinal
when does plantar reflex (babinksi) appear
birth
when is plantar reflex (babinksi) integrated
remains positive throughout 1st year of life
how is plantar reflex (babinksi) elicited
stroke the lateral part of the side of the sole of the foot
what are the results of plantar reflex (babinksi)
Adults: plantarflexion
Newborns-1y/o: dorsiflexion of big toe and fanning of other others
Abnormal: DF of bit toe in patients 1y/o and adults
what brain level is asymmetrical tonic neck reflex (ATNR)
brainstem
when does asymmetrical tonic neck reflex (ATNR) appear
birth or first month
when is asymmetrical tonic neck reflex (ATNR) integrated
6 months
how is asymmetrical tonic neck reflex (ATNR) elicited
in supine, rotate head to one side, wait for response; rotate head to other side and wait for response
results of asymmetrical tonic neck reflex (ATNR)
extension of the arm and leg on the face side, flexion on the skull side (fencer’s pose)
what brain level is symmetrical tonic neck reflex (STNR)
brainstem
when does symmetrical tonic neck reflex (STNR) appear
1-4 months
when is symmetrical tonic neck reflex (STNR) integrated
6-8 months
how to elicit symmetrical tonic neck reflex (STNR)
hold or place in prone, then flex or extend the head
results symmetrical tonic neck reflex (STNR)
with extension of head, will have arm extension and LE flexion
with head flexion, will have arm flexion and LE extension
what brain level is tonic labyrinthine (prone and supine)
brainstem
when does tonic labyrinthine (prone and supine) appear
birth
when is tonic labyrinthine (prone and supine) integrated
6 months
how to elicit tonic labyrinthine (prone and supine)
place child in prone or supine
results tonic labyrinthine (prone and supine)
Prone: flexor tone dominantes
Supine: extensor tone dominates
what brain level is landau
associated/automatic reaction
when does landau appear
5-6 months
when is landau integrated
3 years
how to elicit landau
supporting thorax, hold child in prone position in space
results landau
extension of the head, trunk, legs
what brain level is neck righting on body (NOB)
midbrain
when does neck righting on body (NOB) appear
34 weeks
Strongest at 4-6 months
when is neck righting on body (NOB) integrated
5 years
how to elicit neck righting on body (NOB)
in supine, rotate head to one side
results neck righting on body (NOB)
body rotates as a whole in the same direction
what brain level is body righting on the body (BOB)
midbrain
when does body righting on the body (BOB) appear
34 weeks
Strongest at 6 months
when is body righting on the body (BOB) integrated
5 years
how to elicit body righting on the body (BOB)
in supine, rotate head to one side
results body righting on the body (BOB)
segmental rolling, head turns, then shoulder, then hips to face side
what brain level is protective extension down (parachute)
associated/automatic reaction
when does protective extension down (parachute) appear
4 months
when is protective extension down (parachute) intregrated
will never go away
how to elicit protective extension down (parachute)
hold child around trunk, lift in space; turn them upside down and move quickly towards the floor
results protective extension down (parachute)
extension of arms at elbows to protect self
what brain level is protective extension (front)
associated/automatic reaction
when does protective extension (front) appear
6-7 months
when is protective extension (front) integrated
will never go away
how to elicit protective extension (front)
in sitting, child is pushed forward toward a support surface
results protective extension (front)
arms extend forward (elbow, wrist, fingers)
what brain level is protective extension (side)
associated/automatic reaction
when does protective extension (side) appear
7-8 months
when is protective extension (side) integrated
will never go away
how to elicit protective extension (side)
child is placed in sitting and pushed sideways on one shoulder with enough force to displace them
results protective extension (side)
abduction of the opposite arm with extension of the elbows, wrist, fingers
what brain level is protective extension (back)
associated/automatic reaction
when does protective extension (back) appear
9 months
when is protective extension (back) integrated
will never go away
how to elicit protective extension (back)
child is placed in sitting and pushed backward
results protective extension (back)
full reaction is backwards extension of both arms; some trunk rotation may occur (see reaction then in one arm)