Abstract
This study aims to compare dominant factors of anthropometrics and motor component among children relative body mass index. A total 5819 primary school children (3243 boys and 2576 girls) aged 7.30±0.28 years old were subdivided into four groups according their Body Mass Index (BMI) namely underweight group (UWG), normal weight group (NWG), overweight group (OWG) and obese group (OBG). The parameters involved in this study are weight, height, standing broad jump (SBJ), sit and reach (SAR), hand wall toss (HWT) and 20 meter run (20MR). Method of Principle Components Analysis (PCA) was employed to ascertain the domain factors parameters for each BMI group. For boys and girls, initial PCA identifies two components with higher Eigen value (> 1). In first component VF1 for boys and girls, PCA after varimax rotation revealed two varifactors that are weight (> 0.90) and height (> 0.80) for all BMI group. Otherwise, second component VF2 for boys and girls revealed high factor loading on low muscular strength, hand-eye coordination and speed. This study indicates there is direct effect between motor proficiency and BMI among preschool population and revealed that primary school children with high body mass may have lower motor proficiency on explosive strength, coordination and speed compared with normal body mass.
Highlights
Motor efficiency is used as a global term that includes terms used in literacy as basic motor skills or movement, motor skills or performance, motor skills and motor coordination
Guidelines issued by the National Association of Americans recommend that children spend their time at least one hour per day to carry out physical activity and a few hours of non-structured activity
Physical fitness is defined as the ability of a person to perform daily tasks efficiently and physically without feeling overweight and has enough energy to carry out recreational activities [4]
Summary
Motor efficiency is used as a global term that includes terms used in literacy as basic motor skills or movement, motor skills or performance, motor skills and motor coordination. Guidelines issued by the National Association of Americans recommend that children spend their time at least one hour per day to carry out physical activity and a few hours of non-structured activity (carrying out free activities) This activity should receive attention or guidance from qualified adults. This study purposely was carried out to compare dominant factors of children motor abilities according different body mass index for better understanding the strong and weakness of children body condition. Such finding would beneficial to parent when monitoring their children motor performance based on body mass index and becomes valuable info for teachers when planning physical education activities, so that the effectiveness of that lesson at school can be enhanced
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