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12 terms

hand release development

STUDY
PLAY
no release, grasp reflex is strong
0-1 month
mutual fingering in midline
4 months
involuntary release
1-4 months
transfers object from hand to hand
4-8 months
two stage transfer taking hand grasps before releasing hand lets go
5-6 months
one stage transfer taking hand and releasing hand performs actions simultaneously
6-7 months
volitional release
7-9 months
presses down on surface to release
7-10 months
releases above a surface with wrist flexed
8 months
releases into a container with wrist straight
9-10 months
clumsy rease of object into container hand rests on edge of container
10-14 months
precise controlled release with wrist extended
12-15 months