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Effects of Transcranial Direct Current Stimulation Over Primary Motor Cortex on the Onset Time of Upper Extremity Muscles’ Activities for Forward Reaching Performance : A Preliminary Study
일차운동피질에 가한 경두개 미세직류 자극이 상지 뻗기과제 동안 근 활성의 개시점에 미치는 영향
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- 발행기관
- 대한스포츠물리치료학회 바로가기
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- 간행물
- 정형스포츠물리치료학회지 KCI 등재후보 바로가기
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- 통권
- Vol.15 No.1 (2019.06)바로가기
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- 페이지
- pp.11-19
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- 저자
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- 언어
- 영어(ENG)
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- URL
- https://www.earticle.net/Article/A358008
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원문정보
초록
- 영어
- Purpose: This study aimed to investigate the effect of transcranial direct current stimulation (tDCS) on the onset of upper extremity muscle activities during forward reaching performance. Methods: Fifteen healthy men (age, 24.2±1.55y) participated in this randomized double-blind crossover study. Each participant received both a sham and 2-mA stimulation over M1 bilaterally for 20 min, with a minimum washout period of 4 days. Muscle activation was evaluated for all the participants during the task of reaching out for a marked target as fast as possible, using electromyography (EMG) before and immediately after tDCS application. Results: For the within arm-length reaching performance in the 2-mA stimulation session, the muscle activities of the anterior deltoid (AD), posterior deltoid (PD), biceps brachii (BB), and inferior spinatus (IS) were decreased significantly during, immediately after, and 20 min after the tDCS period compared with the baseline values (p for all values ＜0.05). The pectoralis major (Pec) muscle showed a significant decrease only in the 20-min period after tDCS compared with the baseline values (p=0.001). For the beyond arm-length reaching performance, the 2-mA application on the AD, PD, BB, and IS showed significant decreases in onset time in all the periods after tDCS as compared with the baseline (p for all values ＜0.05). The onset of the triceps brachii muscle activity significantly decreased immediately and 20 min after the tDCS periods. For the Pec muscle, the onset time of muscle activation significantly changed only in the 20 min after the tDCS period compared with the baseline values. Conclusion: The present study demonstrated that bilateral tDCS over M1 facilitates muscle activation rapidly during the reaching performance, regardless of the reaching target distance.
목차
Abstract
Ⅰ. Introduction
Ⅱ. Methods
1. Participants
2. Transcrainal direct current stimulation(tDCS)
3. Task
4. Surface electromyography(sEMG)
5. Adverse effect
6. Statistical analysis
Ⅲ. Results
1. Demographic data
2. Effects of active/sham tDCS on the EMG onset during reaching task
3. Adverse effect
Ⅳ. Discussion
Study Limitation
References
키워드
Electromyography Reaching performance Muscle activation Transcranial direct current stimulation저자
간행물 정보
발행기관
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- 발행기관명
- 대한스포츠물리치료학회 [Korean Society of Sports Physical Therapy]
- 설립연도
- 1992
- 분야
- 의약학>물리치료학
- 소개
- 스포츠물리치료학의 발전향상과 회원 상호간의 유대강화 및 친목을 도모함을 목적으로 하며 다음 사업을 한다. 1.스포츠물리치료학의 연구발전에 관한 사항. 2.학술지 발간에 관한 사항. 3.스포츠물리치료 정보의 수집 및 교환에 관한 사항. 4.국제 스포츠물리치료 교류에 관한 사항. 5.스포츠물리료학 교육 및 지도에 관한 사항. 6.기타 본회 목적 달성에 관한 사항.
간행물
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- 간행물명
- 정형스포츠물리치료학회지 [Archives of Orthopedic and Sports Physical Therapy]
- 간기
- 반년간
- pISSN
- 1738-5946
- 수록기간
- 2005~2025
- 등재여부
- KCI 등재
- 십진분류
- KDC 517 DDC 613
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