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Asymetric Tonic Neck Reflex (ATNR)=
Stimulus= while sying on his back the baby's head is truned to one side, REsponse= Arm and leg on the side the head is looking toward will extend and opposite side will flex, Persistence interferes with = feeding, bilateral hand use, rolling, visual tracking, midline use of hands, development of crawling, muscular shortening and skeletal deformities
Tonic Labrinithine Reflex=
Stimulus= baby is supine or head is extended, prone or head is flexed, Response= Baby extends arms and retracts shoulders (supine), flexes arms and protracts shoulders (prone), Persistence interferes with= initiating rolling, prop on elbow with extended hips (prone), flex trunk and hips to sit from supine, full body extension which affects sitting and standing balance.
Stimulus= Adults places a finger or object into the baby's open hand, Response= baby will grasp or grip, the strength of the grip increases as you try to pull away, Persistence interferes with=vouluntary grasp and release, weight bear on open hand for prop, crawl and protective response
Symmetric Tonic Neck Reflex (STNR)=
Stimulus= baby's head is placed in flexion or extension. Response= extends his arms and flexes legs when head extends, flexes arms and extends legs when head is flexed. Persistance interferes with= prop on arms in prone , attaining and maintaining positioning in all 4's, reciprocal crawlings sitting balance when head is moving, using hands when looking at objects in sitting
Righting reactions -Head righting reflex=
Age onset is birth-2 months, and age of integration persists
Labyrinthine head righting=
use of inner ear balance mechanisms to right head, Stimulus= baby is held in vertical suspension and tilted to the side, Response= infant tries to keep head in vertical postion to gravity
Stimulus= Baby is held in the air with arms, legs and head hanging, Response= baby extends head and legs to try and put in line with body
movements of the extremities with rapid body displacement in response to an outside force
Stimulus=baby falls forward, Response= baby extends arms to try and catch himself
Stimulus= Baby is tilted forward when in sitting, Response= extends his arms forward to catch himself
Stimulus= baby is tilted to the side in sitting, Response= Extends his arms backwards to try and catch himself
Stimulus= Baby is tiltled backwards, Response= Extends his arms backwards to try and catch himself.
Stimulus= In standing, baby's weight is displaced, Response= Steps in direction of displacement to maintain COG in BOS
Utilized when slow changes occur in the relationship between COG and BOS. the order they are learned in is not always the order recruited in as each is used with varying degrees of displaement. Stimulus= surface baby is on is tilted to one side, REsponse= baby will lift arm and leg on higher side to balance
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