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선 자세에서 이중과제 수행에 따른 자세 동요와 근활성도 변화
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  • 선 자세에서 이중과제 수행에 따른 자세 동요와 근활성도 변화
  • Changes of Postural Sway and Muscle Activation While Standing Upright and Performing a Dual Task
저자명
최진호,이한숙,장종성,Choi. Jin-Ho,Lee. Han-Suk,Chang. Jong-Sung
간행물명
대한물리치료학회지
권/호정보
2011년|23권 5호|pp.1-5 (5 pages)
발행정보
대한물리치료학회
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정기간행물|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Purpose: This study was designed to investigate the changes of postural sway and muscle activation while standing upright and performing a dual task. Methods: Nine healthy adults were recruited and provided their written informed consent. They performed a balance task with and without a cognitive task on a force flatform (Good balance, Metitur Ltd., Filand). Postural sway was measured as medio-lateral and anterior-posterior distance and the velocity of the center of pressure and muscle activations of the ankle dorsi- and plantar-muscle was measured. The recruits completed three trials and the data was analyzed by a paired t-test. Results: There were significant differences in the medio-lateral and anterior-posterior distance and the velocity of the center of pressure, and significant increases in the muscle activities of the tibialis anterior. Conclusion: These findings revealed that performing a dual task increases postural sway and muscle activation of the ankle when simultaneously maintaining balance and performing another cognitive task. Future studies should focus on balance training with a dual task for patients.