Term | Definition |
MORO REFLEX | S: sudden neck extension
R: sh abd; sh, elbow and finger ext; followed by arm FAd
I: 4-6 mos |
STARTLE REFLEX | S: sudden noise/clapping
R: sh abd; sh, elbow and finger ext; followed by arm FAd
I: 4-6 mos |
POSITIVE SUPPORTING REFLEX | S: blight pressure/ WB on plantar surface
R: legs extend for partial support of WB
I: 3-5 mos (replaced by volitional WB c support) |
ROOTING REFLEX | S: stroking lips or around mouth
R: moving moputh, head toward stimulus in search of nipple
I: 4 mos |
ASYMMETRICAL TONIC NECK REFLEX (ATNR) | S: head turning to side
R: limbs ext on face side; flex on occiput side
I: 6-7 mos |
SYMMETRICAL TONIC NECK REFLEX (STNR) | S: neck flex/ext
R: (flex) UE flex, LE ext; (ext) UE ext, LE flex
I: 6-7 mos |
PALMAR GRASP REFLEX | S: touch/pressure on palm or stretch of finger flexors
R: fingers flex, hand fisting
I: 5-6 mos |
PLANTAR GRASP REFLEX | S: pressure on sole, distal on MT heads
R: toes flex
I: 12-24 mos (when walking is achieved) |
AUTOMATIC NEONATAL WALKING | S: on vertical support, plantar contact and passive tilting of body forward and side to side
R: alternating automatic steps c support
I: 3-4 mos |
PLACEMENT/PLACING REFLEX | S: tactile contact on dorsum of foot or hand
R: limbs flex to place hand or foot over an obstacle
I: before end of 1 y/o |
NECK RIGHTING/BODY DEROTATIONAL REFLEX | S: neck rotation in supine
R: sequential body rot from sh to pelvis toward dir of face
I: 4 mos (replaced by volitional rolling) |
TONIC LABYRINTHINE REFLEX | S: head position in space, strongest at 45 deg
R: (supine) predominant extensor tone; (prone) predominant flexor tone
I: 4-6 mos |
HEAD RIGHTING REFLEX | S: visual and vestibular
R: align face/head, mouth horizontal
E: (prone) 2 mos; (supine) 3-4 mos |
HEAD AND BODY RIGHTING REFLEX | S: tactile, vestibular and proprioceptive
R: align body parts in anatomic position relative to each other and gravity
E: 3y10mos |
PROTECTIVE EXTENSION/PARACHUTE REFLEX | S: displacement of COG out of BOS in sitting and standing
R: ext/abd of lat extremity towad displacement to prevent falling
E: (sit,ant) 5-7 mos; (sit,lat) 6-8 mos; (sit,post) 7-8 mos; (stand) 12-14 mos |
EQUILIBRIUM/ TILTING REACTIONS | S: displacement of COG
R: adustment of tone and posture of trunk to maintain balance
E: (sit) 6-8 mos; (stand) 12-14 mos |
HAND OPENING | S: stroke ulnar border of palm & little finger
R: automatic hand opening
I: 1 mo |
GALANT'S TRUNK INCURVATION | S: stroke back lat to spine
R: flex of trunk towards side of stimulus |
FLEXOR WITHDRAWAL REFLEX | S: (supine) head midposition, legs extended; noxious stimuli on sole of foot
R: uncontrolled extension of stimulated leg (do not confuse c response to tickling)
I: 1-2 mos |
CROSSED EXTENSION | S: (supine) head midposition, leg ext; nox stimuli on med surface of one leg by tapping
R: leg ExAddIR, foot PF; opp leg FAddIR (typical scissor position) |
EXTENSOR THRUST | S: (supine) head in midposition; one leg ext, opp leg flex >> stimulate flexed leg
R: uncontrolledext of stimulated leg (do not confuse c response to tickling)
I: 2 mos |
TRACTION REFLEX | S: grasp FA and pull up from supine to sitting
R: grasp and total UE flexion
I: 2-5 mos |
NECK RIGHTINGB ON BODY (NOB) | S: passive head rot
R: log roll
I: 5 y/o |