In-hand Manipulation

Question 1

Brings object from finger pads to palm

Answer 1

1 year to 1 year 6 months

Question 2

Brings object from palm to fingers, repositioning object 90 degrees or less (simple rotation)

Answer 2

2 years to 2 years 6 months

Question 3

Brings object from palm to finger repositioning object 180-360 degrees

Answer 3

2 years 6 months to 3 years

Question 4

Can perform manipulation skills with single object

Answer 4

3 years old

Question 5

ability to shift object from proximal to distal orientation with thumb and fingers emerging

Answer 5

3 years to 3 years 6 months

Question 6

Repositions object in hand without use of external surface

Answer 6

4 years old

Question 7

Uses shift and complex rotation to position objects for functional use

Answer 7

5 years 6 months

Question 8

Manipulation with stabilization is developed

Answer 8

6 years old

Question 9

All types present but not fully developed

Answer 9

7 years old

Question 10

Continues to refine in hand manipulation and dexterity skills

Answer 10

9 years to 10 year

Question 11

In hand manipulation well developed, speed of manipulation increases

Answer 11

12 years