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PEDIA: REFLEXES

TermDefinition
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
Created by: mayshironnah
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