Infant Reflexes

Question 1

Asymmetrical Tonic Neck

Answer 1

Birth - 6 mo

Arm and leg extend on face side, Arm and leg flex on scalp side

Question 2

Symmetrical Tonic Neck

Answer 2

6-8 mo.
Flexed head - arms flex, legs extend
Extended head - arms extend, legs flex

Question 3

Tonic Labrynthine

Answer 3

Birth - 6 mo
Supine - ext
Prone - flex

Question 4

Galant

Answer 4

30 weeks gest - 2 mo

Lateral flexion of trunk to side of stimulus

Question 5

Palmar grasp

Answer 5

Birth - 2 mo

Question 6

Plantar grasp

Answer 6

28 weeks gest -9 mo

Question 7

Rooting

Answer 7

28 weeks gest - 3mo

Turning head to side of cheek you touch with mouth open

Question 8

Moro

Answer 8

28 weeks gest-5 mo

Arms abduct with finger open then cross into add when the head suddenly drops into extension

Question 9

Startle

Answer 9

28 weeks gest -5mo

Arms abduct with finger closed and elbows flexed when hearing a loud, sudden noise

Question 10

Positive Support

Answer 10

35 weeks gest - 2mo

Stiffening of legs and trunk into extension when the weight is on the balls of the feet

Question 11

Walking or stepping

Answer 11

38 weeks gest- 2 mo

Reciprocal flexion/ext when in a supported upright position with soles of feet on firm surface