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식이를 통한 Nitrate 섭취가 최대하운동시 산소소비의 효율성에 미치는 영향
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  • 식이를 통한 Nitrate 섭취가 최대하운동시 산소소비의 효율성에 미치는 영향
  • The Effect of Dietary Nitrate Supplementation on Oxygen Efficiency during Sub-maximal Exercise
ㆍ 저자명
김덕중,김정규
ㆍ 간행물명
한국웰니스학회지KCI
ㆍ 권/호정보
2014년|9권 1호(통권21호)|pp.163-172 (10 pages)
ㆍ 발행정보
한국웰니스학회|한국
ㆍ 파일정보
정기간행물|KOR|
PDF텍스트(0.62MB)
ㆍ 주제분야
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서지반출

국문초록

본 연구는 식이를 통한 nitrate 섭취가 30분간의 최대하 사이클 운동시 산소 소비량에 미치는 영향을 고찰하는데 그 목적이 있 다. 본 연구에서는 8명의 일반 남자 대학생을 대상으로 nitrate가 풍부하게 함유되어 있는 천연물 형태의 Beetroot 주스 섭취 전과 후 각 피험자의 상대적 운동 강도 VO2max 70%로 30분 동안 사이클 운동을 실시하였다. 운동시 산소 소비량의 측정은 breath-by-breath 방식으로 매 3분마다 측정하였으며, 혈압, 산소포화도, 심박수 및 심근 산소요구량(MVO2)를 측정 기록하였다. 30 분간의 최대하운동시 산소소비량의 경우 nitrate 섭취 전과 비교해서 섭취 후 낮은 산소소비량을 보였으나, 통계적으로 유의한 차 이는 발견되지 않았다. 심박수와 심근 산소 요구량의 경우 nitrate 섭취 후 더 낮은 수준을 보여 통계적으로 유의한 차이가 발견 되었다(p<.05). 결론적으로 본 연구에서는 식이를 통한 nitrate 섭취가 최대하 운동 부하 조건에서 인체 내 전반적인 산소 이용의 효율성을 증가시킬 수 있는 잠재적 효과를 가지고 있다고 본다.

영문초록

The purpose of this study was to investigate the effects of dietary nitrate supplementation on oxygen efficiency during sub-maximal exercise. Eight healthy university male participated in sub-maximal exercise test(70% VO2max) on a cycle ergometer before and after dietary nitrate supplementation(natural beetroot juice). Pulmonary ventilation, oxygen uptake, MVO2, SPO2, blood pressure, and heart rate were measured at 15's intervals by a computerized gas analyser. A comparison of before and after nitrate supplementation, oxygen consumption and SPO2 did not show statistically significant differences. However, both myocardial oxygen demand(MVO2) and heart rate after nitrate supplementation were significantly lower compared with before nitrate supplementation. In conclusion, this study showed that dietary nitrate supplementation in the form of natural beetroot juice resulted in improved the oxygen efficiency in sub-maximal exercise conditions.

목차

Ⅰ. 서 론
Ⅱ. 연구방법
Ⅲ. 연구결과
Ⅳ. 논 의
Ⅵ. 결 론
참고문헌

키워드

nitrate supplementationsub-maximal exerciseoxygen efficiencyHRSPO2MVO2

참고문헌 (29건)

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