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크레아틴-중탄산나트륨의 복합투여가 고강도 무산소성 운동수행능력, 혈중 크레아틴 및 젖산농도에 미치는 영향

The effect of combined creatine and sodium bicarbonate supplementation on high intensity anaerobic exercise ability and concentration of plasma creatine and lactate.

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초록

본 연구는 고강도 무산소성 운동수행능력을 향상시키는데 있어 크레아틴과 중탄산나트륨의 복합투여가 무산소성 운동수행력에 미치는 효과를 알아보기 위해 국군체육부대 장병을 대상으로 5개 그룹인 크레아틴 투여그룹 (n=8), 중탄산나트륨 투여그룹 (n=8), 크레아틴과 중탄산나트륨의 복합투여 그룹 (n=9), 글루코스 투여그룹 (n=7), 염화나트륨 투여그룹 (n=7)으로 나누어 사전검사 (pre-test) 후 집단별 로딩(loading)이 완료된 5일 뒤 사후검사 (post-test)를 실시하였다. 통계처리는 SPSS Ver. 12.0 을 이용하여 모든 측정 변인에 대한 평균과 표준편차를 산출하고, 그룹 및 시기 간에 대한 유의차를 검증하기 위하여 2-way repeated ANOVA를 실시하였다. 유의한 상호작용 효과가 나타날 경우, 사후검정으로 paired t-test와 one way ANOVA 를 실시하였다. 모든 통계적 유의수준은 p<.05로 설정하였다. 본 연구의 결과 윙게이트 검사 (wingate-test)를 이용한 무산소성 운동수행력 중 평균 파워, 피크 파워, 피크 페달링 스피드는 크레아틴 투여그룹과 중탄산나트륨 투여그룹에서 투여 전 ․ 후 유의한 차이를 나타냈으며, 크레아틴과 중탄산나트륨의 복합투여 그룹에서는 증가하는 경향이 나타났으나, 유의한 차이는 나타나지 않았다.

Abstract

The purpose of this study was to assess the effects of combined creatine and sodium bicarbonate supplementation on high intensity anaerobic power and plasma creatine and lactate concentration. 39 males were randomly assigned to 5 groups〔creatine (n=8), sodium bicarbonate (n=8), creatine+sodium bicarbonate (n=9), glucose (n=7), and NaCl (n=7)〕. They had been pre-test of an aerobic power with wingate test and after 5 days later for creatine and sodium-bicarbonate loading, they had post-test. Statistical analysis was performed by 2 way repeated ANOVA for group and time, and paired t-test, one way ANOVA were used to assess differences between pre and post-test and among the groups. Significance was accepted at p<.05. The following results were obtained from this study. Average power, peak power and peak pedaling speed of wingate test were significantly (p<.05) increased in creatine group and sodium bicarbonate group.

참고문헌 (37)

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