HAND FUNCTION - 1
More Detail Information about Hand Function Assessment Therapy:
IN-HAND MANIPULATION
IN-HAND MANIPULATION
This is a brief introduction about one of the facets of hand function, which describes inhand manipulation
In-hand manipulation skills
seem to be the most complex
of all fine motor skills.
In-hand manipulation involves
the adjustment of objects by movements of the fingers so that the objects are
more appropriately placed within the hand for the task to be accomplished
In-hand manipulation occurs within one hand.
Five basic types of in-hand
manipulation skills have been described
1. Finger-to-palm
translation: Movement of an object
from the fingers to the palm
2. Palm-to-finger
translation: Movement of an object
from the palm to the finger
pads
3. Shift: Slight adjustment
of the object on or by the
finger pads
4. Simple rotation: Turning
or rolling the object 90
degrees or less, with the
fingers acting as a unit
5. Complex rotation: Turning
an object over (turning
it 90 to 360 degrees) using
isolated finger and
thumb movements
Each of the in-hand
manipulation skills may occur
with no other object in the
hand at the time of the
manipulation
Although almost any child
with a disability that affects
motor or sensory functioning
has difficulty with inhand
manipulation skills, not all
of these children are
candidates for intervention
for in-hand manipulation
problems.
In general, in-hand manipulation activities
are realistic
only for children who have
mild motor disabilities;
most children with moderate
disabilities lack the ability
to use adequate grasp
patterns and lack the associated
intrinsic muscle control to
make in-hand manipulation
skills possible.
