Author: Faigenbaum, Avery D.; Bellucci, Mario; Bernieri, Angelo; Bakker, Bart; Hoorens, Karlyn
Description: The purpose of this study was to compare the acute effects on youth fitness of 3 different warm-up protocols utilizing static stretching or dynamic exercise performance. Sixty children (mean age 11.3 +/- 0.7 years) performed 3 different warm-up routines in random order on nonconsecutive days. The warm-up protocols consisted of 5 minutes of walking and 5 minutes of static stretching (SS), 10 minutes of dynamic exercise (DY), or 10 minutes of dynamic exercise plus 3 drop jumps from 15-cm boxes (DYJ). Following each warm-up session, subjects were tested on the vertical jump, long jump, shuttle run, and v-sit flexibility. Analysis of the data revealed that vertical-jump and shuttle-run performance declined significantly following SS as compared to DY and DYJ, and long-jump performance was significantly reduced following SS as compared to DYJ (p<0.05). There were no significant differences in flexibility following the 3 warm-up treatments. The results of this study suggest that it may be desirable for children to perform moderate- to high-intensity dynamic exercises prior to the performance of activities that require a high power output.
Subject headings: Child; Exercise; Female; Heart Rate; Humans; Male; Movement; Muscle; Skeletal; Physical Education and Training; Physical Fitness; Pliability; Task Performance and Analysis
Publication year: 2005
Journal or book title: Journal of Strength and Conditioning Research
Volume: 19
Issue: 2
Pages: 376-381
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Serial number: 3285