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Journal of Exercise Nutrition & Biochemistry 2005;9(1):105-110.
Articles : Effect of Long-Term Resistance Exercise Training on Body Fat deposition and Resting Metabolic Rate and Bone Mineral Density
The purpose of this study is to examine the effect of long-term resistance exercise training on body fat deposition and resting metabolic rate (RMR) and bone mineral density in young women. 74 subjects were divided into control (CON) and exercise (EX) groups. The subjects of CON group were allowed their usual lives, and the subjects of Ex group practice participated to resistance training program, corresponded to 70% of maximum muscular. three times a week for six months. Muscle mass, body fat, and bone mineral density (BMD) of all subjects were measured at 0, 3 and 6 month after resistance exercise program, and RMR were measured at 4 month. The body weight of the CON group decreased from 56.92±0.93 kg to 56.30±0.89 kg, and the EX group decreased from 56.23±1.26 kg to 55.95±1.14 kg after 6 month. The muscle mass of the CON group decreased by 1.11%, but the EX group increased by 0.23%. Body fat decreased from 16.90±0.53 kg to 16.63±0.46 kg in the CON group, but decreased from 15.92±0.71 kg to 15.23±0.70 kg in the EX group. The BMD was not increased by the resistance exercise for 6 month in this study. However. RMR was significantly increased by the resistance exercise at 4 month. In conclusion, it is suggested that the long term resistance exercise training would promote body composition by increasing muscle mass, and RMR.
Key Words: bone mineral density, BMD, resting metabolic rate, RMR, muscle mass, body fat, resistance exercise


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