Pohlman, R. L., & Isaacs, L. D. (1998). Effects of resistance training on concentric isokinetic knee extension in prepubescent females. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 842.

Females (N = 16) were matched for chronological and biological age and assigned to either an experimental (N = 9) or control (N = 7) group. The experimental group trained three times per week for 12 weeks. Each training session consisted of five sets of 15 repetitions of knee extensions. Concentric (90 deg/s and 180 deg/s) and 1 RM were assessed before training started and then after each three-week interval. The experimental group improved significantly over the non-training control.

Implication. If young girls train with an exercise stimulus, performance in that training domain improves.

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