Asymmetrical Tonic Neck Reflex (ATNR) correct answers Stimulus: Head postponed turned to one side
Response: Arm and leg on face side are extended, arm and leg on scalp side are flexed, spine curved with convexity toward face side
Normal age of response: Birth to 6 months
Asymmetrical Tonic Nec...
PTAP 2210 test 1 || with Accurate Answers 100%.
Asymmetrical Tonic Neck Reflex (ATNR) correct answers Stimulus: Head postponed turned to
one side
Response: Arm and leg on face side are extended, arm and leg on scalp side are flexed, spine
curved with convexity toward face side
Normal age of response: Birth to 6 months
Asymmetrical Tonic Neck Reflex (ATNR) Interferes with: correct answers Feeding, visual
tracking, midline use of hands, bilateral hand use, rolling, development of crawling, can also lead
to skeletal deformities such as: scoliosis, hip sublaxation, hip dislocation
Symmetrical tonic neck reflex (STNR) correct answers Stimulus: Head postponed flexed or
extended
Response: When head is flexed, arms are flexed legs extended. When head in extension, arms
extended, legs flexed
Normal age of response: 6 to 8 months
Symmetrical tonic neck reflex (STNR) Interfers with: correct answers Ability to prop on arms in
prone position, attaining and maintaining hands and knees position, crawling reciprocally, sitting
balance when looking around, use of hands when looking at object in hands in sitting position
Tonic Labyrinthine Reflex (TLR) correct answers Stimulus: Position of labyrinthine in inner ear-
reflected in head position
Response: In supine position, body and extremities are held in extension; in prone, body and
extremities are held in flexion
Normal age of response: Birth to 6 months
Tonic Labyrinthine Reflex (TLR) Interfers with: correct answers Ability to initiate rolling,
ability to prop up on elbows with extended hips in prone, ability to flex trunk and hips to come to
sitting position from supine position, often causes full body extension which interfere with
balance in sitting or standing
Galant Reflex correct answers Stimulus: touch to skin along spine from shoulder to hip
Response: lateral flexion of trunk to side of stimulus
Normal age of response: 30 weeks of gestation to 2 months
Galant Reflex Interfers with: correct answers development of sitting balance, can lead to
scoliosis
Palmar Grasp Reflex correct answers Stimulus: Pressure in palm on ulnar side of hand
Response: Flexion of fingers causing strong grip
Normal age of response: Birth to 4 months
Palmar Grasp Reflex Interfers with: correct answers ability to grasp and release objects
voluntarily, weight bearing on open hand for propping, crawling, protective responses
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