首页> 外文会议>International Symposium on Biomechanics in Sports vol.1; 20050822-27; Beijing(CN) >FACTOR STRUCTURE OF SELECTED MORPHOLOGICAL, MOTOR AND BIOMECHANICAL VARIABLES IN SKI JUMPERS
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FACTOR STRUCTURE OF SELECTED MORPHOLOGICAL, MOTOR AND BIOMECHANICAL VARIABLES IN SKI JUMPERS

机译:跳台运动员选定的形态,运动和生物力学变量的因子结构

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摘要

The purpose of the research study was to establish in a sample of elite Slovene ski jumpers (N = 67) a latent structure of referentiality of manifest area of the selected biomechanical, morphological and motor variables. Through factor analysis 6 factors were excluded out of 35 manifest variables in total. In the first factor (55% of total variance) the highest projections were identified in the basic motor and morphological variables. The second factor was defined by the push-off power variables, in which in terms of scale of factor loading the index of take-off explosive power (0.74) and the related push-off time (0.97) were predominant. In the third factor, the projection of morphological aerodynamic index (0.98) was predominant. The projection of the variable velocity power index, which was calculated on the basis of the ratio in the first and second parts of ski jumpers' push-off, was prevalent in the fourth factor. In the fifth factor, the projection of morphological take-off index (0.93) was predominant. The projection of the age variable (0.95) was prevalent in the last - the sixth factor. The results are interesting primarily because they reflect the specificity in expressing of individual factors, as it is conditioned by ski jumps i.e. their specific movement technique.
机译:这项研究的目的是在斯洛文尼亚精英滑雪跳高运动员(N = 67)的样本中建立一个潜在结构,该结构是所选生物力学,形态和运动变量的明显区域的参照性。通过因素分析,总共排除了35个明显变量中的6个因素。在第一个因素(总方差的55%)中,在基本运动和形态变量中确定了最高的预测。第二个因素是由发射功率变量定义的,其中就因子负荷的规模而言,起飞爆炸功率的指数(0.74)和相关的发射时间(0.97)是主要因素。在第三个因素中,形态空气动力学指数(0.98)的预测是主要的。变速功率指数的预测是在第四因素中普遍得出的,该指数是根据滑雪跳高运动员的第一部分和第二部分的下推比率计算得出的。在第五个因素中,形态起飞指数(0.93)的预测是主要的。最后一个因素是年龄变量的预测值(0.95)-第六个因素。结果很有趣,主要是因为它们反映了表达各个因素的特殊性,这是由跳台滑雪(即他们的特定运动技术)决定的。

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