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首页> 外文期刊>Journal of physical activity & health >Examining the impact of 45 minutes of daily physical education on cognitive ability, fitness performance, and body composition of African American youth
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Examining the impact of 45 minutes of daily physical education on cognitive ability, fitness performance, and body composition of African American youth

机译：研究每天进行45分钟的体育锻炼对非洲裔美国年轻人的认知能力，健身表现和身体成分的影响

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Object: Increased importance on academic achievement has resulted in many school districts focusing on improved academic performance leading to reductions in physical education time. The purpose was to examine the effects of 45 minutes of daily physical education on the cognitive ability, fitness performance and body composition of African American elementary and middle school youth. Methods: Participants completing the informed consent in grades 2nd to 8th were included in the study. A pre/posttest design was used with repeated measures analysis of variance. Experimental and control school participants were pretested on the cognitive measures (ie, Fluid Intelligence and Perceptual Speed) and FitnessgramR physical fitness test items (eg, aerobic capacity, muscular strength and muscular endurance, body composition) in September 2009 and posttested in May 2010. Results: Experimental elementary and middle school participants observed significantly greater improvements compared with control elementary and middle school participants on 7 of 16 fitness and body composition measures and on 8 of 26 cognitive measures. These fitness, body composition, and cognitive improvement differences were more noticeable among elementary and middle school females. Conclusions: Providing 45 minutes of daily physical education can perhaps increase cognitive ability while increasing fitness and decreasing the prevalence of overweight and obese youth.
机译：对象：对学业成绩的重视程度提高，导致许多学区将重点放在提高学业成绩上，从而减少了体育课时间。目的是研究每天45分钟的体育锻炼对非洲裔美国中小学青年认知能力，健身表现和身体成分的影响。方法：本研究包括第2至8年级完成知情同意的参与者。前/后测试设计用于重复测量方差分析。实验和控制学校的参与者在2009年9月对认知指标（例如，流体智力和知觉速度）和FitnessgramR身体适应性测试项目（例如，有氧能力，肌肉力量和肌肉耐力，身体成分）进行了预测试，并在2010年5月进行了后测试。结果：实验性中小学参与者在16个健身和身体成分指标中的7个以及26种认知指标中的8个指标方面，与对照小学和初中参与者相比，观察到的改善显着更大。这些健康状况，身体组成和认知能力改善差异在中小学女性中更为明显。结论：每天进行45分钟的体育锻炼，可能会增加认知能力，同时提高健康水平并降低超重和肥胖青年的患病率。

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