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Table 3 Skilled Reaching Rating Scale

From: The reach-to-grasp movement in infants later diagnosed with autism spectrum disorder: a high-risk sibling cohort study

Phase Component Sub-component Description
Orient Orient A Eyes locate target prior to movement of head/reach
B Eyes disengage target at tactile contact
Transport Lift A Initial hand lift due to flexion of the elbow
B Digits semi-flex
C Hand supinates approximately 30 degrees
D Tips of digits are brought towards the midline of the body
Advance A Hand takes shortest path to target
B Hand stops directly above the target
C Trunk leans to the side opposite the reach
Pronation A Digits open and extend over the target
B Knuckle on reaching hand form horizontal line
C Elbow opens to full arm length as participant reaches
Grasp Grasp A Thumb and index finger/proper grasp for target size/shape
B Wrist extends to lift target from platform