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首页> 外文期刊>BMC Pediatrics >Influences of persistent overweight on perceptual-motor proficiency of primary school children: the North-West CHILD longitudinal study
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Influences of persistent overweight on perceptual-motor proficiency of primary school children: the North-West CHILD longitudinal study

机译：持续超重对小学生感知 - 电机熟练程度的影响：西北儿童纵向研究

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Overweight can be a precursor of poor motor execution, negatively impacting the overall development of school-aged children on various levels. This study determined the long-term influences of overweight on perceptual-motor proficiency (PMP) of primary school children in the North-West Province of South Africa. The study, which included 381 participants, formed part of the NW-CHILD longitudinal study from Grade 1 (6.86?years, ± 0.39) in 2010 to Grade 7 (12.9?years, ± 0.38) in 2016. Socioeconomic categories, called quintiles, were used to compare high and low socioeconomic status groups. Overweight was identified when BMI values fell above the 85th percentile, using age- and gender-specific cut-off points. The group was categorised into 4 BMI groups (never overweight, persistent overweight, overweight-to-normal and normal-to-overweight). The Bruininks Oseretsky Test of Motor Proficiency-2 (BOT-2) Short Form and selected composites measuring strength, balance, and running speed and agility were used to assess PMP. A repeated measures ANOVA analysis indicated specific PMP differences between different BMI groups, but not total motor proficiency (BOT-2 Short Form total) differences. Practical significant group differences (Cohen’s d-values) were found in running speed and agility, strength, balance and the BOT-2 total, over seven primary school years. The persistent overweight group showed the poorest performance over time, but also showed deteriorating skills and a gradual widening in perceptual-motor skills performance, compared to the other groups. BMI-related differences in perceptual-motor coordination were also more pronounced in older age groups. Persistent overweight negatively impacts specific motor-proficiency components, while improving weight status can counter these effects, which highlights the importance of timeous intervention to combat obesity at a young age.
机译：超重可以是运动执行不佳的前兆，对各级学龄儿童的整体发展产生负面影响。本研究确定了南非西北省小学儿童对感性 - 电动机熟练程度（PMP）的长期影响。该研究包括381名参与者，从2010年到7年级（6.86？年，±0.39）到2016年（12.9岁，±0.39），成立了NW儿童纵向研究的一部分。社会经济类别，称为Quintiles，用于比较高和低社会经济地位组。当BMI值低于第85百分位数，使用年龄和性别特定的截止点时，识别超重。本集团分为4个BMI组（从不超重，持续超重，超重到正常和常常数）。电机熟练程度-2（BOT-2）的Bruininks Oseretsky测试使用短型和选择的复合材料测量强度，平衡和运行速度和敏捷性评估PMP。反复措施Anova分析表明不同BMI组之间的​​特定PMP差异，但不是总电机熟练程度（BOT-2简称总计）差异。实际的显着群体差异（Cohen的D值）在运行速度和敏捷性，力量，平衡和BOT-2总数，超过七个小学年。持续的超重组随着时间的推移表现出最糟​​糕的性能，而且还表明，与其他群体相比，在感知 - 运动技能表现中表现出恶化的技能和逐渐扩大。与老年群体的感知电机协调的BMI相关差异也更加明显。持续的超重产生负面影响特定的电动熟练程度，同时改善体重状况可能会抵消这些效果，这凸显了不间断干预在年轻时打击肥胖的重要性。

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