Primitive Reflexes

Question 1

What is the head/Labyrinthine Righting reaction?

Answer 1

When baby is head vertically in space tilting anterior or posteriorly will stimulate the child to orient their head

Onset: Birth-2 months
Integration : persists through life

Question 2

What is the Landau Righting Reaction?

Answer 2

Baby is out in prone and mass extension occurs

Onset: 3-4 months
Integration: 12-24 months

Question 3

What is Asymmetrical Tonic Neck Reflex (ATNR) ?

Answer 3

Baby turns head to one side and ipsilateral side ext, contralateral side flex.

Onset: birth
Integration: about 6 months

Question 4

What is Symmetrical Tonic Neck Reflex (STNR)?

Answer 4

When head is flexed UE flex LE extend. When head extends UE Extends LE flexes.

Onset: 6 months to 8 months
Integration: 9-11 months

Question 5

What is Tonic Labyrinthine Reflex (TLR)?

Answer 5

In supine body and head are in extension, in prone body and head are held in flexion

Onset: birth-6 months
Integration: ?

Question 6

What is Galant Reflex?

Answer 6

Stroke the skin from the shoulder to the hip and it causes ipsilateral side bending.

Onset: 30 weeks gestation to 2 months
Integration:

Question 7

What is the Palmar Grasp Reflex?

Answer 7

Pressure ont eh palm (ulnar side) causes flexion of the fingers

Onset: Birth to 4 months
Integration:

Question 8

What is Plantar Grasp Reflex?

Answer 8

Pressure on the base of the toes causes Toe flexion

Onset: 28 weeks to 9 months

Question 9

What is the Rooting Reflex?

Answer 9

Touch the cheek causes the head to turn to that side with the mouth open.

Onset: 28 weeks of gestation to 3 months

Question 10

What is the Moro Reflex?

Answer 10

Head dropping into extension suddenly causes the arms to abduct with fingers open then cross body adduction and crying

Onset: 28 weeks gestation to 5 months

Question 11

What is the Startle Reflex?

Answer 11

When a loud noise is played arms abducted then adduct but elbows and fingers stay flexed and baby cries

Onset:28 weeks to 5 months

Question 12

What is the positive support reflex?

Answer 12

Weight placed on the balls of the feet when upright LE and trunk extend

Onset: 35 weeks gestation to 2 months

Question 13

What is the Walking aka stepping reflex?

Answer 13

Supported upright position with soles of the feet on a firm surface causes reciprocal flex/ext of the legs

Onset: 38 week gestation to 2 months