And what's the difference between mental and motor imagery.
The newest one here:
http://handtutorblog.wordpress.com/2012/12/05/motor-imagery-as-a-tool-for-stroke-rehabilitation-improvement/
Motor imagery is a well known practice that refers to mentally rehearsing motor acts instead of actual movement production.
A recent study was conducted to evaluate the effect of motor imagery on the performance of sit to stand (STS) and reaching to grasp (RTG) in patients with post stroke chronic hemiparesis.
The study was also designed as a crossover intervention. The
participants were 13 people with a mean age of 68.9 with chronic
hemiparesis that were enrolled in the day center at the Bet-Rivka
Rehabilitation Hospital in Petach Tikvah, Israel. Following 1 week of
baseline measurements of the performance of STS and RTG, these functions
were mentally practiced by the patients for 15 minutes three times a
week for four weeks. Half of the subjects practiced STS mentally, while
the other half practiced the RTG imagery protocol. Then, the
participants in each group switched over to practice the other function
for the next 4 weeks. All of the sessions were performed under
supervision according to a protocol that was established beforehand.
Measurements of real performance took place two times before and two
times immediately after each practice session. For STS, the Tetrax
Balance System was the measure used to judge the speed of performance
and the weight distribution between the legs. RTG was appraised by a
“kinematic” glove which included speed variables of the hand.
The results of the study showed a significant decrease in
the values of STS duration however weight distribution between the legs
wasn’t affected by the intervention. For RTG, a very significant
improvement resulted both in the mean and the maximum reaching speed.
The conclusions reached by this study were that in individuals that
have chronic hemiparesis, the practice of motor imagery can
positively affect real performance.
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