Journal of the Korean Society of Physical Medicine (대한물리의학회지)

The Korean Society of Physical Medicine (대한물리의학회)
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The Effect of Self-controlled Feedback on Proprioception in Elbow Flexion of Healthy Subjects

정상성인의 팔굽 굽힘 시 자기통제 피드백이 고유수용성감각에 미치는 영향

  • Yoon, Jung-Gyu (Department of Physical Therapy, Namseoul University)
  • 윤정규 (남서울대학교 물리치료학과)
  • Received : 2012.08.30
  • Accepted : 2012.10.16
  • Published : 2012.11.30
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Abstract

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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