based on a computer-generated randomization program by a
research assistant under the blind condition.
During the study period, all subjects followed a daily
treatment schedule of a standard rehabilitation program.
In addition with the standard rehabilitation, EG subjects
received mental practice for additional 10 minutes (5 days
a week for 4 weeks).
During mental practice, EG subjects mentally practiced
positioning and movement of the left upper limb intensively
as possible in a repetitive fashion. EG subjects sat comfort-
ably and leaned back against the back rest with the feet on
the floor and imagined the scene while listening to the voice
of the researcher for 10 minutes with the eyes closed. The
contents of mental practice were to pick up a baseball, a
pencil, and a coin in the center of a body using the left hand
respectively, and then moved them into a basket lying on
the left side. Verbal feedback provided by the subjects as-
sured correct execution of the imagery tasks. Each task was
repeated up to 10 times per session. In the beginning of each
task, a break time was given to patients in order to induce
relaxation and concentrate internally on the left arm.
The author referred to the instructions of previous studies
on the mental practice15)
. An example of the instruction for
mental practice is as follows: “Try to imagine how your left
hand grasp the baseball lying in front of you. Extend your
left arm, then the elbow straightens. Feel the muscle tension
in your arm. Feel how the fingers press around the baseball
and hold it. Move the baseball into a basket lying on the left
side. Feel how the elbow is moving and forearm is getting
up towards a basket. Feel the muscle tension in your arm
needed to hold your arm. Feel the tension in the hand and
the fingers so that the baseball won’t fall. Now release the
baseball and then feel the relaxation in the finger”
based on a computer-generated randomization program by a research assistant under the blind condition.During the study period, all subjects followed a daily treatment schedule of a standard rehabilitation program. In addition with the standard rehabilitation, EG subjects received mental practice for additional 10 minutes (5 days a week for 4 weeks).During mental practice, EG subjects mentally practiced positioning and movement of the left upper limb intensively as possible in a repetitive fashion. EG subjects sat comfort-ably and leaned back against the back rest with the feet on the floor and imagined the scene while listening to the voice of the researcher for 10 minutes with the eyes closed. The contents of mental practice were to pick up a baseball, a pencil, and a coin in the center of a body using the left hand respectively, and then moved them into a basket lying on the left side. Verbal feedback provided by the subjects as-sured correct execution of the imagery tasks. Each task was repeated up to 10 times per session. In the beginning of each task, a break time was given to patients in order to induce relaxation and concentrate internally on the left arm.The author referred to the instructions of previous studies on the mental practice15). An example of the instruction for mental practice is as follows: “Try to imagine how your left hand grasp the baseball lying in front of you. Extend your left arm, then the elbow straightens. Feel the muscle tension in your arm. Feel how the fingers press around the baseball and hold it. Move the baseball into a basket lying on the left side. Feel how the elbow is moving and forearm is getting up towards a basket. Feel the muscle tension in your arm needed to hold your arm. Feel the tension in the hand and the fingers so that the baseball won’t fall. Now release the baseball and then feel the relaxation in the finger”
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