筋力の階級的因子構造
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概要
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The hierarchical factor solution is applied to the correlation matrix whose elements are the Peasonian correlation coefficients among five test items of static dynamometric strength, one test item of power and two items of dynamic strength. Then, a general strength factor as the factor of first order, grip strength factor and strength factor of back, shoulder, waist and leg muscle groups as the factor of second order, and other two factors that could not be identified, were extracted. A general strength factor has significant factor loadings with all variables. In other words, a general strength factor is a common component of all test variables. Until today, power, static dynamometric strength and dynamic strength have been extracted as independent factors and also thought as independent factors. However, through this study, it might be concluded that the test variables which have been validated empirically to measure these three independent factor could define a general strength factor as a common area of domain that these test variables define. Therefore, a general strength factor is always contributing to the activities. That is, say, measuring grip strength means measuring a part of a general strength factor area and also the specific strength area of grip strength. Furthermore, a general strength factor contributes to the communality of strength test variables at 39%, and static dyndmometric strength has high factor loading with this general strength factor. In other words, the static dynamometric strength is a good representative test items of a general strength factor.
- 社団法人日本体育学会の論文
- 1967-06-05