The Development of Grasp Age Hand position/grasp Activities of hand Development of in fluid Movement of arm and hand In utero environment, weightlessness Hand to mouth Pushes against uterus wall Notes Reflexive grasp Movement of arm and hand 0-1 month Holds hands tightly Hand to mouth Scratching motion Reflexive grasp 2 months Grasp and let go Hold hands un-fisted ½ the time Releases objects without awareness Texas Voluntary begins Puts hands together 3 months School Hands un-fisted most of the time Pushing motion/batting for the Grasp and let go Reaches Blind & Grasps objects & keeps 4 months Engages hand in supine (on back) Releases objects purposefully Visually Clutches objects Turns wrist Retains objects Bangs on items with fist Crosses midline Transfers objects hand to mouth 5 months Uses thumb while grasping Palmer with thumb adducted Grasps with both hands Immature raking of small pellet Bangs with toys 6 months Transfers objects hand to hand Grasps feet Makes shaking motion Radial palmer grasp with cube 7 months Holds two objects Rakes a pellet into the palm Bangs objects on table Pulls peg out Holds an object in each hand 8 months Holds pellet between thumb & curled index finger Radial digital grasp with cube Handling of objects 9 months (between tips of fingers and thumb) Releases objects into air Inferior pincer grasp with pellet Rotates the wrist Throws toys appropriately Isolates fingers and pokes 10 months Picks up objects within reach Clumsy release of cube into box Pulls heavy objects Pincer grasp (thumb & index finger) Bangs objects together Neat pincer grasp 12 months Stacks two blocks Precise release of cube into box Clumsy release of pellet into bottle Stacks with three blocks Holds crayon 14 months Stacks Scribbles Puts objects inside one 16 months Precise release of pellet into bottle another Building with objects Impaired
The Development of Grasp Age Hand position/grasp Activities of hand In utero Development of in fluid environment, weightlessness Movement of arm and hand Hand to mouth Pushes against uterus wall 0-1 month Reflexive grasp Holds hands tightly Movement of arm and hand Hand to mouth Scratching motion Grasp and let go Releases objects without awareness 2 months Reflexive grasp Hold hands un-fisted ½ the time 3 months Voluntary begins Hands un-fisted most of the time Puts hands together Pushing motion/batting Grasp and let go Grasps objects & keeps Releases objects purposefully Turns wrist Bangs on items with fist Crosses midline Uses thumb while grasping Grasps with both hands 4 months Reaches Engages hand in supine (on back) Clutches objects Retains objects 5 months Transfers objects hand to mouth Palmer with thumb adducted 6 months Immature raking of small pellet Transfers objects hand to hand Bangs with toys Grasps feet Makes shaking motion Holds two objects Bangs objects on table 7 months Radial palmer grasp with cube Rakes a pellet into the palm Pulls peg out 8 months Holds an object in each hand Holds pellet between thumb & curled index finger 9 months Radial digital grasp with cube (between tips of fingers and thumb) Inferior pincer grasp with pellet Handling of objects Releases objects into air Rotates the wrist Throws toys appropriately Picks up objects within reach Pulls heavy objects Bangs objects together 10 months Isolates fingers and pokes Clumsy release of cube into box Pincer grasp (thumb & index finger) 12 months Neat pincer grasp Stacks two blocks Precise release of cube into box Clumsy release of pellet into bottle 14 months Stacks with three blocks Holds crayon Stacks Puts objects inside one another Building with objects 16 months Scribbles Precise release of pellet into bottle Notes Texas School for the Blind & Visually Impaired
Sat800ObrzutDevelopingComprehendingHandsHandout.docx