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KMID : 1211620120070040493
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Journal of the Korean Society of Physical Medicine
2012 Volume.7 No. 4 p.493 ~ p.500
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The Effect of Self-controlled Feedback on Proprioception in Elbow Flexion of Healthy Subjects
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Yoon Jung-Gyu
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Abstract
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Purpose: The purpose of this study was to investigate effect of self-controlled feedback on proprioception in elbow flexion.
Methods: Thirty young adult volunteered to participate and were randomly assigned to one of three groups (self-controlled, yoked, control). Power and velocity in elbow flexion was measured by PRIMUS RS (BTE Tech., Hanover, U.S.A). Statistical analysis was used multivariate ANOVA to know effect of self-controlled feedback on proprioception in elbow flexion. Post hoc was used Scheffe.
Results: In acquisition phase to practice effect, variable errors in self-controlled group was significantly low scored more than yoked and control group. In retention phase to learning effect, variable errors in self-controlled group was significantly low scored more than yoked and control group.
Conclusion: Self-controlled feedback was more effective on movement control when the learner could make a decision about receiving feedback after the trial. This seems to support the view that self-controlled feedback benefits learning, because learners can make a decision about feedback based on their performance on a given trial.
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KEYWORD
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Self-controlled feedback, Proprioception, Elbow flexion
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