W12_03 child development Flashcards
note: primitive reflexes disappear with time, and are replaced by postural reflexes
ok
what’s the root reflex?
stroke baby’s cheek and it’ll turn and open its mouth to suck;
gone after 3-4 months
what’s the suck reflex?
put something in baby’s mouth and it’ll suck;
persists
what’s the hand grasp reflex?
intuitive;
gone after 3 months
what’s the moro reflex?
lift and drop (but catch!) the baby. Baby will abduct arms, flex fingers, then adduct arms;
disappears after 6 months
what’s the ATNR? (asymmetric tonic neck reflex)?
look like a fighter. If you turn the head one way, it’ll extend the arm on that side and clench th earm on the other.
Gone after 6 months
what’s the protective equilibrium reflex?
lateral propping;
appears 4-6 months and goes on forever
what’s the parachute reaction?
if you tilt a baby forwards on their belly abruptly, they’ll splay their hands forwards;
appears 8-9 months and goes on forever
what are red flags of primitive reflexes?
asymmetric;
obligate;
persistent;
absent;
no lateral prop by 7-8 months;
no parachute by 10 months
what’s the most important supine gross motor function?
head control (3 months)
what are the prone gross motor milestones?
extended forearms - 4 mo;
roll - 4 mo;
sit - 6 mo;
4 point crawl - 9 mo;
pull to stand - 9 mo
chin and chest come off the ground at which month?
2 months
babies can rest on their forearms at which month?
3 months
babies can rest on their hands with fully extended arms at which month?
4 month
babies can do the tripod sit at which month?
6 month
when can babies pull themselves up to stand?
9 months
