뉴로피드백 및 근력 복합 훈련이 중학교 펜싱 사브르 초보자의 혈청 BNDF, 수행 기술 및 집중력 수준에 미치는 영향
The Effect of Neurofeedback with Muscle Training on Serum BDNF, Performance Skill, and Attention Level in Middle School Sabre Beginner Fencers
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초록
본 연구의 목적은 뉴로피드백과 근력 복합 훈련이 중학교 펜싱 초보자의 수행기술 및 집중력 수준에 미치는 영향을 탐색하는데 있다. 총 21명의 피험자는 뉴로피드백 및 근력 복합훈련그룹(NMG, n=7), 자기통제피드백 및 근력 복합훈련그룹(SMG, n=7), 근력훈련그룹(MTG, n=7)으로 각각 나뉘어 12주 동안의 훈련에 참여하였으며, 기초체력요소(순발력, 유연성, 민첩성), 혈청 BDNF(brain-derived neurotrophic factor) 및 집중력 수준의 변화를 훈련 전․후 측정하였다. 또한 펜싱 수행 시간과 수행 자세는 트레이닝 후 측정하였다. 12주 동안의 훈련 후 기초 체력 요소와 혈청 BDNF는 모든 그룹 내에서 유의하게 증가하였지만(p<.001), 그룹 간에는 유의한 차이가 나타나지 않았다. 펜싱 수행 시간은 NMG가 다른 그룹에 비해 유의하게 빨랐으며(p<.001), 펜싱 수행 자세 점수도 NMG가 다른 그룹에 비해 유의하게 높았다(p<.001). 집중력 수준은 NMG에서만 유일하게 증가하였으며(p<.05), 집중력 수준은 펜싱 수행 시간(r=-.492)과 수행 자세 점수(r=.739)와 유의한 상관관계가 나타났다. 이와 같은 사실을 종합해 볼 때 뉴로피드백과 근력 복합 훈련이 중학교 펜싱 사브르 초보자의 펜싱 수행 기술과 집중력 수준을 향상시키는데 효율적인 도구임을 알 수 있었다.
Abstract
The purpose of this research is to demonstrate the positive effects of neurofeedback with muscle training on serum brain-derived neurotrophic factor (BDNF), performance skill, and attention level in middle school sabre beginner fencers. Twenty one subjects were assigned to three groups: neurofeedback with muscle training group (NMG, n=7), self-controlled feedback with muscle training group (SMG, n=7) and muscle training only group (MTG, n=7) for 12 weeks' training. Basic strength components (power, flexibility, agility), serum BDNF and attention level were analysed before and after training session. Performance skill and performance posture scores were analysed after training session. After 12 weeks of training sessions, basic strength components and serum BDNF level in all groups were increased significantly from pre training values (p<.001), but showed no differences among groups. Fencing performance time was significantly faster and fencing performance posture scores were significantly higher in the NMG compared to the other groups (p<.001). Attention level increased significantly only in NMG (p<.05). Attention level showed a significant correlation with fencing performance time (r=-.492) and posture scores (r=.739). These results suggest that neurofeedback with muscle training is effective for enhancing performance skill and attention level in middle school sabre beginner fencers.
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