Fine Motor Development

Question 0

Five months

Answer 0

Raking (probated forearm, all fingers flexed) fingers and hand move as a unit in a raking motion

Question 1

Birth

Answer 1

Palmer grasp reflex

Question 2

Six months

Answer 2

Voluntary Palmar grasp replaces reflexive Palmer grasp

Question 3

Seven months

Answer 3

Radial Palmer grasp

Index and middle finger flexed with thumb pressing obj into hand

Question 4

Nine months

Answer 4

Radial digital grasp (thumb opposition to two fingers)

Question 5

9 to 12 months

Answer 5

Inferior pincer grasp (thumb adducted & opposed against first finger)

Question 6

12 months

Answer 6

Superior pincer grasp - tip to tip

three-jaw chuck - thumb opposition to 1st 2 fingers , wrist extended with ulnar dev

Question 7

Prehension

Answer 7

The act of grasping

Question 8

Reaching patterns depends on the position of the shoulder

Answer 8

Reaching patterns influence the ability of the hand to grasp objects

Question 9

Hand regard

Answer 9

The infant first recognize the hand it two months of age.
The ATNR triggered by head turning allows the arm on the face side of the infant to extend and therefore it is in perfect place to be seen

Question 10

Reflexive or Palmer grasp

Answer 10

The grasp happens in response to a stimulus. The reflexive grass is replaced by a voluntary Palmer grasp by the age of six months, The palm aggressive does not include the thumb

Question 11

Voluntary grasp

Answer 11

At 6 months the grasp changes from reflexive to voluntary

At 7 months thumb begins to adduct allowing for radial Palmer grasp

Question 12

Pincer grasp

Answer 12

Thumb and index finger, pad to pad contact with the object less grasp force, greater object mobile