Chapter 5: Fine Motor Development

Question 1

Hands come together at midline for bilateral reaching

Answer 1

4 mo

Question 2

Unilateral reaching

Answer 2

6 mo

Question 3

no attempt to grasp, but visually attends to objects (may swipe)

Answer 3

3 mo

Question 4

raking

Answer 4

6 mo

Question 5

scissor grasp

Answer 5

8 mo

Question 6

pincer grasp

Answer 6

10 mo

Question 7

palmer grasp

Answer 7

5 mo

Question 8

voluntary grasp release

Answer 8

7-9 mo

Question 9

involuntary grasp release

Answer 9

1-4 mo

Question 10

Using both hands for different function

Answer 10

12-18 mo

Question 11

manipulation skills emerge

Answer 11

18-24 mo

Question 12

finger to palm translation

Answer 12

12-15 mo

Question 13

palm to finger translation

Answer 13

2-2.5 years

Question 14

pre-writing: palmar supinate grasp

Answer 14

1-1.5 yr (held with fisted hand, arm moves as a unit)

Question 15

pre-writing: digital pronate grasp

Answer 15

2-3 yr (held with fingers, arm moves as unit)

Question 16

Pre-writing: static tripod posture

Answer 16

3.5-4 yr (crude approximation of dynamic tripod grasp, no fine localized mvmc of digits)

Question 17

Dynamic tripod posture:

Answer 17

4.5-6 yr (stable arch, wrist slightly extended, localized mvmt of PIP)

Question 18

open and close scissors controlled

Answer 18

2-3 years

Question 19

scissors: manipulates, coordinates, cuts straight line and simple geometric shapes

Answer 19

3-4 years

Question 20

cuts complex shapes

Answer 20

6-7 years