Wrotniak Brian H, Epstein Leonard H, Dorn Joan M, Jones Katherine E, Kondilis Valerie A
Department of Pediatrics, University at Buffalo School of Medicine and Biomedical Sciences, Buffalo, New York, USA.
Pediatrics. 2006 Dec;118(6):e1758-65. doi: 10.1542/peds.2006-0742.
Youth with better motor abilities may find it easier to be physically active and may be more likely to engage in physical activity compared with peers with poorer motor competence. The purpose of this study was to examine the relationship between motor proficiency and physical activity in 8- to 10-year-old children. Self-efficacy toward physical activity was also assessed.
Sixty-five children (34 girls and 31 boys) were studied. Children's physical activity was assessed by the Manufacturing Technologies Incorporated/Computer Science and Applications Incorporated model 7164 accelerometer, and their motor proficiency was determined by the Bruininks-Oseretsky Test of Motor Proficiency. The Children's Self-Perceptions of Adequacy in and Predilection for Physical Activity scale measured children's self-perceptions of adequacy in performing and desire to participate in physical activities.
Children's motor proficiency was positively associated with activity counts and percentage of time in moderate and moderate-to-vigorous intensity physical activity and inversely related to percentage of time in sedentary activity. Children in the greatest quartile of motor proficiency were the most physically active compared with children with lower levels of motor proficiency who had similar levels of physical activity. Children with greater standardized BMI were less physically active, more sedentary, and had poorer motor proficiency compared with children with a lower standardized BMI. Children's Self-Perceptions of Adequacy in and Predilection for Physical Activity scores were positively associated with Bruininks-Oseretsky Test of Motor Proficiency standard score for boys. Children's motor proficiency explained an additional 8.7% of the variance in physical activity in multiple linear regression after controlling for factors that may influence physical activity.
Motor proficiency is positively associated with physical activity and inversely associated with sedentary activity in children, but there may be a threshold of motor proficiency above which children may be the most physically active. Children's motor proficiency may be an appropriate target for increasing physical activity in youth.
与运动能力较差的同龄人相比，运动能力较好的青少年可能更容易进行体育活动，也更有可能参与体育活动。本研究的目的是探讨8至10岁儿童的运动熟练度与体育活动之间的关系。同时还评估了儿童对体育活动的自我效能感。
对65名儿童（34名女孩和31名男孩）进行了研究。通过制造技术公司/计算机科学与应用公司的7164型加速度计评估儿童的体育活动情况，并通过布鲁因inks-奥塞雷茨基运动熟练度测试确定他们的运动熟练度。儿童对体育活动的自我认知充足性和偏好量表测量了儿童对进行体育活动的自我认知充足性以及参与体育活动的愿望。
儿童的运动熟练度与活动计数以及中度和中等到剧烈强度体育活动的时间百分比呈正相关，与久坐活动的时间百分比呈负相关。与运动熟练度较低但体育活动水平相似的儿童相比，运动熟练度处于最高四分位数的儿童体育活动最为活跃。与标准化BMI较低的儿童相比，标准化BMI较高的儿童体育活动较少、久坐时间更长且运动熟练度较差。男孩的儿童对体育活动的自我认知充足性和偏好量表得分与布鲁因inks-奥塞雷茨基运动熟练度测试标准得分呈正相关。在控制了可能影响体育活动的因素后，儿童的运动熟练度在多元线性回归中解释了体育活动变异的另外8.7%。
儿童的运动熟练度与体育活动呈正相关，与久坐活动呈负相关，但可能存在一个运动熟练度阈值，超过该阈值的儿童可能体育活动最为活跃。儿童的运动熟练度可能是增加青少年体育活动的一个合适目标。
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