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J Strength Cond Res. 2004 Nov;18(4):708-13.

Effects of a short-term interval training program on physical fitness in prepubertal children.

Author information

1
Laboratory for the Study of Human Motor Skills, Faculty of Sport and Physical Education Science, Université de Lille 2, France.

Abstract

The aim of this study was to analyze the effects of a 7-week interval-training program on different aspects of physical fitness in children who were 8-11 years old. Forty-six boys and 54 girls (9.7 +/- 0.8 years) were divided into an experimental group and a control group. The 2 groups performed selected tests from the European physical fitness test battery before and after training. Training consisted of 2 specific 30-minute sessions per week of short high-intensity, intermittent-running aerobic exercises at velocities ranging from 100-130% of maximal aerobic speed. After training, the experimental group demonstrated a significant improvement in the standing broad jump (9.6%, p < 0.001, F = 12.9) and 20-meter shuttle run (5.4%, p < 0.001, F = 14.4), whereas for the control group, no significant changes were observed. It was concluded that a high-intensity, intermittent-running program improved children's aerobic performance and explosive strength.

PMID:
15574071
DOI:
10.1519/13813.1
[Indexed for MEDLINE]

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