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시·촉각 되먹임이 넙다리네갈래근 등척성 운동에 미치는 영향 KCI 등재

The Effects of Visual and Tactile Feedback on Quadriceps Isometric Exercise

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  • URLhttps://db.koreascholar.com/Article/Detail/5786
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한국전문물리치료학회지 (Physical Therapy Korea)
한국전문물리치료학회 (Korean Research Society of Physical Therapy)
초록

Physical therapists have been using biofeedback training to induce improvements in various circumstances. The purpose of this study was to compare the effects of visual and tactile feedback using electrical stimulation on quadriceps strength. Nineteen women without known impairment of the neuromusculoskeletal system volunteered for this study. Subjects were randomly allocated into three groups: visual feedback, tactile feedback, and control group. The torque of isometric knee extension force was measured. Subjects were asked to exert the maximal isometric contraction force of quadriceps over a 30 second period. The resting period of 10 minutes was given after the maximal isometric contraction to avoid the muscle fatigue. In between groups comparison, significant differences of the peak torque and the torque area were found on the performance of the maximal isometric contraction of quadriceps (p<.05). The values peak of torque and torque area were significantly higher during visual feedback than tactile feedback. The results of this study suggest that visual feedback is more powerful than tactile feedback (p<.01).

저자
  • 이수영(연세대학교 보건과학대학 재활학과) | Lee Su-young
  • 정영종(국립암센터 물리치료실) | Jung Young-jong