Efficacy and Safety of Strength Training With Free Weights in Prepubescents to Early Post Pudescents

Drown, E. W.; Lillegard, Wade; Henderson, Rachel; Wilson, Dianne; Lewis, Ela; Hough, David O.; Stringer, Kenneth

doi:10.1249/00005768-199205001-00490

Cited by 1 publication

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“…Due to the specificity of testing and training, it appears that large gains in strength resulting from a twice-a-week program will not have significant effects on tests of upper and lower body motor performance. This suggestion is consistent with Brown et al (4), who concluded that strength gains in prepubescent (Tanner Stages 1 and 2) boys and girls were not good predictors of improvement on selected motor performance skills. In the present report, however, the strengthtrained subjects continually reported improvements in various sport activities throughout the study period.…”

Section: Strength Motor Performance and Flexibility Measuressupporting

confidence: 91%

The Effects of a Twice-A-Week Strength Training Program on Children

Faigenbaum¹,

Zaichkowsky²,

Westcott³

et al. 1993

Pediatric Exercise Science

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The effectiveness of a twice-a-week strength training program on children was evaluated in 14 boys and girls (mean age 10.8 yrs) who participated in a biweekly training program for 8 weeks. Each subject performed three sets of 10 to 15 repetitions on five exercises with intensities ranging between 50 and 100% of a given 10-repetition maximum (RM). All subjects were preand posttested on the following measures: 10-RM strength, sit and reach flexibility, vertical jump, seated ball put, resting blood pressure, and body composition parameters. The subjects were compared to a similar group of boys and girls (n = 9; mean age 9.9 yrs) who were randomly selected to serve as controls. Following the training period, the experimental group made greater gains in strength (74.3%) as compared to the control group (13.0%) ( p < 0.001), and differences in the sum of seven skinfolds were noted (-2.3% vs. +1.7%, respectively, p < 0.05). Training did not significantly affect other variables. These results suggest that participation in a short-term, twice-aweek strength training program can increase the strength and improve the body composition of young boys and girls.

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Section: Strength Motor Performance and Flexibility Measuressupporting

confidence: 91%