Manipulating skills according to Exner's classification system/Pre-writing skills Flashcards
Finger to palm translation
Definition
example
age
A linear movement of object from finger to palm of hand
picking up coins
12-15 months
Palm to finger translation
Definition
example
age
with stabilization a linear movement of an object from palm of hand to fingers
placing coins in a slot
(2-2 1/2 years)
shift
definition
examples
age
a linear movement of an object on the finger surfaces to allow for repositioning of the object on the finger pads
seperating two pieces of paper (3-5 years)
rolling a piece of clay into a ball (3-6 +years)
shifting on marker or pencil (5-6+ years)
simple rotation
definition
example
age
the turning or rolling of an object held at the finger pads approximately 90 degrees or less
unscrewing a small bottle cap
(2-2 1/2 years)
complex rotation
definition
example
age
turning an object 360 degrees
turning a pencil over to erase
(6-7) years
in hand manipulation with stabilization
definition
example
age
several objects are held in the hand and manipulation of one object occurs while simultaneously stabilizing the others
picking up pennies with thumb and forefinger while storing them on the ulnar side of the same hand
(6-7 years)
dynamic tripod posture/writing skills
age
41/2-6 years
static tripod posture/writing skills
age
31/2-4 years
digital-pronate grasp /writing skills
age
2-3 years
palmar-supinate grasp
1-11/2 years