Medscape&'
Primitive rgtlgxes
Asymmetric tonic
neck retkx
Tcnlc labyrinthine
Pcsitve suppc«t
Phntar grasp
Palmar grasp
St4ping
Parachute response
Elicited by
Tuminq head to one Ade; this
stimulates nerves in the neck(do
bilaterally and note any
asymmetry ot response)
Drop the head 45 degrees trcm the
plane ot the bcdy; after the
respu.se observed, activey
flex the head to the chest; both
Inan stimulate the
Labyrinth
Wth intant supine, bconce the tæt
times on the examining table
Wth intant in a semi-sitting
po@tion. allcw head and trunk to
drop to approximater•,' a .33-
angle
Touch plantar surlace ot teet at
base ot toes
Head midline; touch palm ot hand
on ulnar side
Hold under arms and allow soles ot
tæt to touch flat ELI llace
Hold child in prone position and
simulate falling forward
Response
Extension ot the body on the
side ot the tace. tlexi«l ot the
body on side ot occiput or
"tancing pcsiti«l"
Extension: tonic retraction ot the
shc€llders and extension ot
the bcdy; an exaggerated
responee would be
wisthot«.us, arching. cr
decc«ticate posturing; tlexlm:
tonic flexi«l ot the tody
T«lic extension ot the Pgs or
reflex standing; an
exaggerated response vo_lld
be scissoring
Symmetric abduction/extenslon
ot arms; fingers tffl cot; arms
then adduct, *'fich is
tollooed by reaxed flexion;
legs may tollcw a similar
pattern
Tces should curl downward
Str«lg grasp ot finger
Attanate flexion/extansion ot
legs (simulating v.Gklng)
Shulld be forward extension ot
the arms
6-7 mo; petsistent. will
bringing hands to
midline
6 mo; it persistent, this can
normal rolling
patters
Strong to eight mo
Strongest betwæn 1-2 mo;
gone by 3
Appears between birth and
8 weeks; needs to be
integrated prior to
walking
Genaalty in place by 10 mo
Data Xcm Batshaw. 2602: Benna•t. j 999: Rcæts et al. 2004.
E: J care Mosby
america.pink