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.
Objective: In many countries, physical education (PE) is taught by classroom teachers (generalists) during the formative years of elementary school. The purpose of this study was to evaluate the physical and psychological outcomes of multi-sports PE taught by qualified PE teachers (specialists) and how they contribute to children’s physical and mental health development. Design: Experimental study with non-random assignment. Setting: Four elementary schools in Italy (Rome) stratified by urban district. Method: One hundred and twenty-five upper elementary school children (10-11 years) were assigned to an eight month multi-sports or traditional PE programme taught by a PE specialist or a generalist, respectively. Pre- and post-intervention tests assessed children’s fitness (aerobic fitness, abdominal strength and endurance, and hamstring flexibility) and coordination (kinesthetic discrimination ability, response orientation ability), goal (task and ego) orientation, perceived physical ability and social self-efficacy. Multivariate and univariate analyses of variance were performed on physical and psychological test measures. Results: The results demonstrated that the multi-sports approach to PE induced more pronounced improvements in aerobic fitness and kinesthetic discrimination ability, as well as small but significant improvements in task orientation, ego orientation and social self-efficacy, when compared to traditional PE taught by a generalist. Conclusions: A multi-sports approach to elementary school PE contributes to the development of children’s physical fitness and goal orientations, which support engagement in physical activity. These findings highlight the role of qualified PE specialists and multi-sport, skill-based curricula to obtain positive physical and psychological outcomes that may facilitate the development of a healthy child.
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