사전운동보충제 섭취가 직업 트레이너의 신체조성, 1RM 및혈액변인에 미치는 영향

Abstract

The purpose of this study was to changes in body composition, 1RM and blood variables to professional trainers following four weeks of pre-workout and supplementation. The subjects were divided into a pre-workout supplement intake group (PWG) and a comparison group without intake(WG) of 4 people each. The measurement variables of this study were body composition (muscle mass, body fat), 1RM, and blood variables (ammonia, creatine phosphate, GOT, GPT). The mean and standard deviation for all variables were calculated using the SPSS program, and independent t-test, ANCOVA, and two-way repeated ANOVA were performed, and the statistical significance level was α=.05. The results are as follows. First, Body fat mass decreased significantly in PWG, but skeletal muscle mass did not change significantly. Second, the PWG increased significantly in 1RM after treatment in dead-lift and bench press excluding squats. Third, In both groups, there was no significant difference in creatine phosphate, GOT, and GPT, but ammonia was significantly increased. In conclusion, four weeks of high-intensity training due to pre-workout supplement intake had no effect on skeletal muscle mass, creatine phosphate, GOT and GPT, but had an effect on 1RM and ammonia increase.