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NTIS 바로가기Journal of nutrition and health, v.51 no.2, 2018년, pp.121 - 131
Purpose: This study was aimed to assess selenium and zinc status in female collegiate athletes and their relationship with dietary intake. Methods: Female collegiate athletic groups of judo and aerobics, and healthy sedentary collegiate females were recruited for this study and their serum selenium ...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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과격한 근육활동과 탈진적 운동은 선수들에게 어떤 영향을 주는가? | 그러나 이와 같이 건강을 위해 규칙적으로 운동을 하는 일반인들과 달리 경기력 향상을 목표로 지속적으로 과도한 훈련을 하는 선수들은 운동 스트레스와 과훈련증에 시달리기 쉽다. 특히 선수들의 경우 과격한 근육활동과 탈진적 운동에 의해 산화 스트레스가 증가하여 산화-항산화의 균형에 영향을 주어 근육 수축과 생리적 적응에 부정적 영향을 줄 수 있으며, 이로 인해 빈번한 부상과 함께 상기도 감염 등 면역능 저하가 쉽게 일어난다. 따라서 운동선수의 항산화 영양소 섭취가 운동으로 야기된 산화스트레스와 근육 손상이나 염증에 미치는 영향에 대한 국외연구는 비교적 보고되었지만,1-3 국내 선수들을 대상으로 항산화 영양소 특히 미량 무기질에 대한 연구는 비교적 드문 편이다. | |
운동의 효과는? | 최근 웰빙과 건강개선을 위한 운동에 대한 관심이 급증하고 있다. 운동은 유산소능력을 강화시켜 심혈관기능을 개선하고, 근력강화와 골질량 증가 효과 및 이에 따른 체지방 감소 등 건강증진 효과가 잘 알려져 있다. 그러나 이와 같이 건강을 위해 규칙적으로 운동을 하는 일반인들과 달리 경기력 향상을 목표로 지속적으로 과도한 훈련을 하는 선수들은 운동 스트레스와 과훈련증에 시달리기 쉽다. | |
셀레늄 부족으로 결핍된 경우 어떤 결과를 초래하는가? | 4 셀레늄은 이러한 항산화 효소의 활성을 통해 반응성 산소와 자유 라디칼을 제거하고, 지질과산화물의 축적을 억제한다. 셀레늄 결핍은 이러한 항산화 효소들의 발현이나 기능장애를 야기하므로 근육약하를 초래하여 Kashine-Beck disease의 원인으로 추정되고 있으며, GSHpx등의 활성저하는 인체가 반응성 산소에 효과적으로 대처하기 어렵게 한다.1,5,6일반적으로 지속적으로 고강도 운동을 하는 경우 산화스트레스와 근육의 반응성 산소의 생성물이 과다하게 증가하므로 선수들의 경우 셀레늄 부족은 근육손상의 위험을 높일 수 있다. |
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