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Article Title

EFFECTS OF SELF-IMPLEMENTED CARBOHYDRATE CYCLING AND MODERATE TO HIGH INTENSITY RESISTANCE EXERCISE ON BODY FAT IN BODY BUILDERS: CASE STUDY

Abstract

Majid Mufaqam, Syed Abdul, Dhwani S. Soni, Thomas J. Pujol, FACSM, and Jason D. Wagganer. Southeast Missouri State University, Cape Girardeau, Missouri; e-mail: majidmufaqam@yahoo.com

Carbohydrate resources are limited during moderate- to high-intensity resistance exercises which limit performance (Wright, 1991). Increase in intake of carbohydrates prior to exercises have shown to enhance performance (Saunders, 2004). PURPOSE: The main purpose of the study is to investigate the effect of self-implemented carbohydrate cycling and resistance exercise on college athlete body builders. METHODS: Two body builders (males, 21[S1] and 22[S2] years old) athlete at a Division I University performed a baseline Dual Energy X-ray Absorptiometry (DXA) test prior to five-week self-implemented carbohydrate cycling program (CCP) along with high-intensity (60-90mins, 75-90%MHR) resistance (HRT) performed by S1 and moderate-intensity (30-45mins, 60-75%MHR) resistance training (MRT) performed by S2. After the 5-week of CCP and HRT/MRT, post-program DXA measurement was obtained. In effort to study the effects of CCP, body %fat (BF %) and bone mineral density (BMD) were analyzed. RESULTS: BF % was reduced by 14.5% (7.6 to 6.5) in S1 and 24.5% (14.7 to 11.1) in S2. There was not a significant change in BMD of S1 [0.68% (1.346 to 1.341)] and S2 [0.37% (1.318 to 1.309)]. CONCLUSION: Decrease in BF% among both the subjects can be primarily attributed to moderate- to high-intensity exercises. Although S2 performed MRT, higher decrease in BF% was recorded (24.5%) compared to S1 (14.5%). However, the baseline BF% of S1 was 7.6 which are lower than average BF% in athletes (9-15%) whereas baseline BF% for S2 was 14.7. BMD measured after 5-week program did not report significant changes. This can be because BMD takes longer than 5 weeks to change. These data suggests that short-duration moderate-intensity exercise can be performed to reduce BF% at the initial training i.e. when baseline BF% is between 9-15%. Moreover, longer duration high-intensity exercise is needed to further reduce BF% in collegiate body builders.

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