Primitve Reflexes

Question 1

Tongue (Protrusion)

Answer 1

4-6 mos

Question 2

Rooting
stim: stroke on cheeks
resp: child looks I/L

Answer 2

3-6 mos

Question 3

Galant
stim: stroke iliac crest
respo: I/L trunk flexion

Answer 3

3-9 mos

Question 4

traction
stim: pull to sit
resp: flexion of upper extremity

Answer 4

2-5 mos

Question 5

plantar grasp
stim: maintained pressure on sole
resp:maintained flexion on toes

Answer 5

9 mos

Question 6

palmar grasp
stim: maintained pressure on palm
resp: maintained flexion on fingers

Answer 6

4-6 mos

Question 7

moro
stim: pulling baby halfway to sitting position from supine and suddenly let the head fall back
resp: rapid abduction and extension of arms with opening of hands , tensing back muscles, and crying

Answer 7

5-6 mos

Question 8

suck/swallow
stim: nipple/finger to mouth
resp: rhythmic suck/swallow

Answer 8

2-5 mos

Question 9

flexor withdrawal
stim: noxious sole
response: total flexion of lower extremity, dorsiflexion, toe extension

Answer 9

1-2 mos

Question 10

crossed extension
stim: noxious ball
resp: contralateral flexion and adduction

Answer 10

1-2 mos

Question 11

extensor thrust
stim: noxious sole
resp: I/L lower extremity extension

Answer 11

1-2 mos

Question 12

startle

Answer 12

persists

Question 13

gag reflex

Answer 13

persists

Question 14

phasic bite

Answer 14

9-12 mos

Question 15

tongue (transverse)

Answer 15

6-9 mos