Moscow University
Anthropology
Bulletin

The method of determination of phenotypic sex on the basis of morphological and functional indicators

Martirosov E.G., Semenov M.M., Martirosova K.E.

Department of biomedical support of MGFSO of Moskomsport, Moscow

Abstract

Objective: to provide a method for determining phenotypic gender of the person on the basis of morpho-functional indices. The morpho-functional survey of 283 people was done for (158 men and 125 women); native Muscovites leading a healthy lifestyle, not involved in professional sports. The surveyed age 18-35 years, mean age 26,3 years. There were determined body size, body proportions, the composition of the body mass – by caliper and bioimpendance analysis, vital capacity of lungs, dynamometry of hands and dead lift strength. In total each person was tested by 245 different indicators of morpho-functional development. To identify the main informative predictors and development of decision rules to identify men and women was conducted stepwise regression analysis [Halafian, 2007]. In addition, to verify the new method for the determination of phenotypic gender were also examined wrestlers of high qualification specializing in free-style wrestling - 132 men and 170 women wrestlers. 302 people in general. In addition, another new sample of 32 strongest women wrestlers, was the comparison of the results of the assessment of phenotypic gender by the newly developed technique (Martirosov, Semenov, Martirosova) and method of Sandra BEM [Bem, 1974], which is recommended to determine psychological gender. In the result was offered the new, authentic way of determining the phenotypic sex of morpho-functional indicators (priority of Rospatent No. 2016105985 from 20.02.2016). The method of determining the phenotypic sex of the person is based on the use of morphological and functional indicators developed by the decision rule and the classification of the subject, taking into account his calculated individual value in one of five classes of centile scale to which it corresponds, depending on the severity of feminity, androgyny or masculinity. The coefficient of multiple correlation the phenotypic sex determined with the selected predictors is R=0,91; the coefficient of determination is R2=0,83. The reliability of the phenotypic sex determination and classification of individuals in one of the classes is very high – 83%.

Keywords

anthropology, phenotypic gender, femininity, masculinity, androgyny, the indices of morphofunctional development, men, women, wrestlers

Цит.: Martirosov E.G., Semenov M.M., Martirosova K.E. The method of determination of phenotypic sex on the basis of morphological and functional indicators // Moscow University Anthropology Bulletin (Vestnik Moskovskogo Universiteta. Seria XXIII. Antropologia), 2017; 1/2017; с. 80-88

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