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자료유형
학술저널
저자정보
저널정보
한국사회체육학회 한국사회체육학회지 한국사회체육학회지 제16권
발행연도
2001.11
수록면
593 - 605 (13page)

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초록· 키워드

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To investigate the effect of oral creatine supplementation on muscular strength, total protein, creatine, and BUN changes in twelve healthy college aged-men (20-22yrs) with at least one year of weight training experience as well as aspartate aminotransferase (GOT) and alanine aminotransferase (GPT) for muscle and liver functions. To compare the pre-test and post-test results, participants orally ingested either 30g of Cr or P five times per day for 12 weeks with a double blind fashion (groups: creatine monohydrate (Cr), n=6 and placebo (P), n=6). To find out significant differences between groups (Cr and placebo), time condition (pre-training and post-training) and interaction (2 groups 2 time points), a mixed factorial design was conducted. An increase in muscle strengths of knee flexors (Cr group: 28.57%; p<.05 Vs P group: 7.7%; p<.05) and extensor (Cr group: 18.01%; p<.05 Vs P group: 9.28%; p<.05) as well as in muscle strengths of shoulder flexors (Cr group: 22.86%; p<.01 Vs P group: 1.66%; p<.05) and extensor (Cr group: 12.18%; p<.01 Vs P group: 9.12%; p<.05) were occurred in Cr group only. In evaluation of blood component, although there were no significant increases in blood variables such as GOT, GPT, creatine, total protein, and BUN, post-test creatine, total protein, and BUN of the Cr group were slightly increased compared to the pre-test values while post-test creatine, total protein, and BUN of P group were either decreased or increased in comparison to the pre-test values, respectively. Consequently, without any increases in GOT, GTP, creatine, total protein, and BUN weight training with oral creatine supplementation led to greater increases in the muscular strengths of both knee and shoulder flexor and extensor. However, in terms of health, further researches required to conduct more deeply and broadly about side effects generated from prolonged oral creatine supplementation.

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