자연과학편 : 웨이트 트레이닝이 근력 , 파워 및 체지방에 미치는 효과

The purpose of present study was to determine the effect of weight training on muscular strength, power and body composition. Eight healthy freshmen participated in a eight-week, progressively increasing weight training program. Muscular strength, power and body composition are measured before and after the weight training program. The results showed statistically significant effect of weight training on muscular strength power and body composition. The results obtained from statistical analysis were as follows : 1. Eight weeks of weight training produced significant increases in nondominant grip strength (2.59 ㎏), dominant grip strength(2.85 ㎏) and balk muscle strength(5.98 ㎏). 2. Eight weeks of weight training produced significant increases In power(3.25 ㎏·m/sec). 3. Eight weeks of weight training produced significant increases in body composition (4.51% body fat).