Effect of rest interval length on bench press performance in boys, teens, and men.

The purpose of this study was to assess the lifting performance of boys (N = 12; age 11.3 +/- 0.8 yr), teens (N = 13; age 13.

Preliminary evaluation of an after-school resistance training program for improving physical fitness in middle school-age boys.

Most after-school physical activity programs for youth focus on aerobic games and activities. The purpose of this study was to evaluate the efficacy of an after-school resistance training program on improving the physical fitness of middle school-age boys. 22 boys (M = 13.