fine motor

fine motor - 
 Fine
Motor
Development
...

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Unformatted text preview: 3/24/10
 Fine
Motor
Development
 Fine
Motor
Development
 •  Movements
produced
by
small
muscle
groups
 Categoriza?on
of
Hand
Movements
 •  Most
research
into
fine
motor
skills
related
to
 manipula?on
 •  Tradi?onally,
hand
movement
were
 categorized
as
either
intrinsic
or
extrinsic
 1
 3/24/10
 Intrinsic
Hand
Movements
 •  the
movement
of
fingers
to
manage
objects
 already
in
one’s
hand
 Extrinsic
Hand
Movements
 •  the
displacement
of
both
the
hand
and
the
 object
in
it
through
upper
limb
movements
 New
View
of
Categoriza?on
of
Hand
 Movements
 •  More
detailed
system
 •  3
categories
 2
 3/24/10
 Simple
Synergies
 •  Ac?ons
involving
similar
movement
of
all
 fingers
and
the
thumb
 Reciprocal
Synergies
 •  Interac?on
of
the
fingers
and
thumb
to
 produce
dissimilar
movements
 Sequen?al
PaTerns
 •  Sequen1al
rather
than
simultaneous
hand
 movements;
contributes
to
the
aTainment
of
 a
specific
goal
 3
 3/24/10
 Development
of
Prehension
 •  The
act
of
grasping
 –  Visually
loca?ng
objects
 –  Approaching
objects
 –  Grasping
objects
 –  Releasing
objects
 Basic
Grasps
in
Infancy
 •  Palmer
grasp
 –  Emerges
around
4‐
to
5‐months
 –  Involves
the
whole
hand
or
palm
 –  Larger
objects
 Basic
Grasps
in
Infancy
 •  Pincer
grasp
 –  Emerges
around
9‐
to
10‐months
 –  Thumb
and
index
finger
 –  Really
small
objects
 4
 3/24/10
 Holding
a
wri?ng
implement
 •  3
stages
 Holding
a
wri?ng
implement
 •  Stage
1:
Supinate
Grasp

 Holding
a
wri?ng
implement
 •  Stage
2:
Pronate
Grasp
 5
 3/24/10
 Holding
a
wri?ng
implement
 •  Stage
3:
 –  Sta?c
Tripod
(around
4‐years
of
age)
 –  Dynamic
tripod
(by
6‐to
7‐years
of
age)
 Holding
a
wri?ng
implement
 •  Proximodistal
rule
of
motor
development
 Stages
of
Handwri?ng
 6
 3/24/10
 Stages
of
Handwri?ng
 •  Forma?on
of
leTers
 •  Arrangement
of
print
on
a
page
 Preconven?onal
Wri?ng:
 Forma?on
of
LeTers
 •  Scribble
wri?ng
 •  Mock
wri?ng
 Preconven?onal
Wri?ng:
 Forma?on
of
LeTers
 7
 3/24/10
 Preconven?onal
Wri?ng:
 LeTer
Placement
 •  Placement
of
leTers
on
page
 •  Spaces
between
words
 Preconven?onal
Wri?ng:
 LeTer
Placement
 Preconven?onal
Wri?ng:
 Mirror
Wri?ng
 8
 3/24/10
 Stages
of
Drawing
 •  4
stage
progression
most
children
follow
 •  Specific
age
norms
difficult
to
determine
 –  Home
environment
 Stages
of
Drawing
 •  Scribbling
stage
 Stages
of
Drawing
 •  Combine
stage
 9
 3/24/10
 Stages
of
Drawing
 •  Aggregate
stage
 Stages
of
Drawing
 •  Pictorial
stage
 10
 ...
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