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final-review 15

neuro13 primreflexes

QuestionAnswer
Asymmetrical Tonic Neck Reflex (ATNR) Stimulus: Head position, turned to one side
ATNR Response: Arm and leg on face side are extended, arm and leg on scalp side are flexed, spine curved with convexity toward face side
ATNR Normal age of response: Birth to 6 months
Symmetrical Tonic Neck Reflex (STNR) Stimulus: Head position, flexion or extension
STNR Response: When head is in flexion, arms are flexed, legs extended. When head is in extension, arms are extended, legs are flexed
STNR Normal age of response: 6 to 8 months
Tonic Labyrinthine Reflex (TLR) Stimulus: Position of labyrinth in inner ear - reflected in head position
TLR Response: In the supine position, body and extremities are held in extension; in the prone position, body and extremities are held in flexion
TLR Normal age of response: Birth to 6 months
Galant Reflex Stimulus: Touch to skin along spine from shoulder to hip
Galant Reflex Response: Lateral flexion of trunk to side of stimulus
Galant Reflex Normal age of response: 30 weeks of gestation to 2 months
Palmar Grasp Reflex Stimulus: Pressure in palm on ulnar side of hand
Palmar Grasp Reflex Response: Flexion of fingers causing strong grip
Palmar Grasp Reflex Normal age of response: Birth to 4 months
Plantar Grasp Reflex Stimulus: Pressure to base of toes
Plantar Grasp Reflex Response: Toe flexion
Plantar Grasp Reflex Normal age of response: 28 weeks of gestation to 9 months
Rooting Reflex Stimulus: Touch on cheek
Rooting Reflex Response: Turning head to same side with mouth open
Rooting Reflex Normal age of response: 28 weeks of gestation to 3 months
Moro Reflex Stimulus: Head dropping into extension suddenly for a few inches
Moro Reflex Response: Arms abduct with fingers open, then cross trunk into adduction; cry
Moro Reflex Normal age of response: 28 weeks of gestation to 5 months
Startle Reflex Stimulus: Loud, sudden noise
Startle Reflex Response: Similar to Moro response but elbows remain flexed and hands closed
Startle Reflex Normal age of response: 28 weeks of gestation to 5 months
Positive Support Reflex Stimulus: Weight placed on balls of feet when upright
Positive Support Reflex Response: Stiffening of legs and trunk into extension
Positive Support Reflex Normal age of response: 35 weeks of gestation to two months
Walking (Stepping) Reflex Stimulus: Supported upright position with soles of feet on firm surface
Walking (Stepping) Reflex Response: Reciprocal flexion/extension of legs
Walking (Stepping) Reflex Normal age of response: 38 weeks of gestation to 2 months
Created by: micah10
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