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Various Hand Skills

Manip., Prewrite, Scissors, Release per NBCOT review guide, 6th ed. p 103-106

No release, grasp reflex is strong 0-1 month, release
Involuntary release 1-4 months, release
Mutual fingering in midline 4 months, release
Transfers object from hand to hand 4-8 months, release
2-stage transfer, taking hand grasps before hand releasing lets go 5-6 months, release
1-stage transfer, taking hand and releasing hand performs action simultaneously 6-7 months, release
Volitional release 7-9 months, release
Presses down on surface to release 7-10 months, release
Releases above a surface with wrist flexion 8 months, release
Releases into a contain with wrist straight 9-10 months, release
Clumsy release into small container, hand rests on edge of container 10-14 months, release
Precise, controlled release into small container with wrist extended 12-15 months, release
Asymmetric hand use 0-3 months, hand use
Bilateral hand use 3-10 months, hand use
Uses both hands for different functions 12-18 months, hand use
Finger to palm translation - age 12-15 months, manipulation skills
Palm to finger translation - age 24-30 months, manipulation skills
Palm to finger translation - definition with stabilization, a linear movement of an object from the palm of the hand to the fingers (placing coins in a slot)
Shift - age 36-42 months, manipulation skills
Simple rotation - age 24-30 months, manipulation skills
Complex rotation - age 6-7 years, manipulation skills
Palmer-supinate grasp - age 12-18 months, prewriting skills
Palmer-supinate grasp - definition held with a fisted hand, wrist slightly flexed and slightly supinated away from mid-position; arm moves as a unit
Digital-pronate grasp - age 2-3 years, prewriting skills
Static tripod posture - age 3 1/2 - 4 years, prewriting skills
Static tripod posture - definition held with crude approximation of of thumb, index, and middle fingers, ring and little fingers only slightly flexed, grasped proximally with continual adjustments by other hand, no fine localized movements of digit compononets - hand moves as a unit
Dynamic tripod posture - age 4 1/2 - 6 years, prewriting skills
Shows interest in scissors 2-3 years, scissors
Holds and snips with scissors 2-3 years, scissors
Cuts a straight forward line 3-4 years, scissors
Cuts simple geometric shapes 3-4 years, scissors
Cuts circles 3 1/2 - 4 1/2 years, scissors
Cuts simple figure shapes 4-6 years, scissors
Cuts complex figure shapes 6-7 years, scissors
Created by: msmaus