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Journal of Exercise Nutrition & Biochemistry 2004;8(1):29-36.
Articles : Effects of a 5-week Resistance Training and Creatine Supplementation on Body Fluid Distribution
This study was designed to verify the effects of a 5-week creatine supplementation and resistance exercise of one arm on the fluid distribution of each body segment. Thirteen male collegiate students were volunteered to participate in this study as subjects. They were divided into one of two groups, i.e., 1) resistance training group (placebo + TR group) and 2) resistance training and creatine supplementation group (Cr + TR group). All subjects performed the resistance exercise training for left upper arm at an intensity of 10 RM, four times per week for five weeks. Twenty grams a day of creatine were taken during the first week and five grams of creatine a day was taken from the second week to the end in Cr + TR group, whereas glucose, as a placebo, was taken in TR group. Two-way ANOVA with repeated measures and paired t-test were utilized to analyze the data. The main results of the present study were as follows: 1) fat-free mass in Cr + Tr group significantly increased. 2) Total water, water volume in trunk, left arm, left leg, and right leg increased significantly in Cr + Tr group, whereas no significant changes were detected in TR group. 3) Creatine and phosphocreatine increased significantly in Cr + Tr group, whereas changes in TR group failed to reach the statistically significant level. It was concluded that a chronic supplementation of creatine during resistance exercise would affect body composition and body fluid distribution.
Key Words: Resistance exercise, exercise training, creatine, body fluid, water


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