This article provides information on the reform of the initial sports selection of 7-8 years old girls for table tennis by using modern criteria. To obtain reliable information reflecting the state of the hereditary and morphological influence of parents on their own children, it was taken into account the heredity of girls for developing morphological criteria. In accordance with the objectives of the study, there were experimentally substantiated the psychomotor tests for the initial sports selection of 7-8 years old girls for table tennis training, which allowed assessing the state of their motor skills. Among the various motor tests widely used in practice, only those who had a high (reliable) degree of correlation with the psychomotor data of children were selected
Keywords: Criteriafunctional motor conditiontable tennisphysical conditioninitial sports selection
Within the modern stage of identification of talented sports children, it will be applied only the scientific approaches and achievements of pedagogy, physiology, psychology, sports training and other basic disciplines which contain both the psychomotor and functional features of children’s development age (Balsevich, 2006; Bulgakova & Rumyantsev, 1995; Bulgakova et al., 1969; Volkov, 1974).
During the sports selection of children for certain sports, there are used well-known and task-specific tests which reflect the physical, physiological, mental and motor condition of the body (Blagush, 1982; Balsevich, 2006; Bulgakova et al., 1969).
In sports games, an important criterion, among others, is represented by the morphological features of the physical development of children’s body, which indirectly reflect both the previous motor experience and the degree of mastery of motor abilities for the future. This criterion can be applied to table tennis, too. During the selection, it should be taken into account the weight-related development indices, according to the Quetelet index, including for the 7-8 year old girls.
However, many experts have recently expressed the opinion (which agrees with ours) that, during the morphological selection of children, attention must be paid to the hereditary influence of their parents, which ultimately determines the further optimisation of sports training (Volkov & Filin, 1986).
To study the development trends of table tennis in the Republic of Moldova and the existing functional and pedagogical capabilities of children for their selection for sport activities.
To substantiate the sports diagnosis of girls aged 7-8 years based on the hereditary signs of physical development and the psychomotor manifestations for the initial sports selection for table tennis.
To shape the main directions of reforming the selection of 7-8 years old girls for table tennis and to scientifically substantiate effective criteria for their diagnosis.
Purpose of the Study
The purpose of the study consists in the selection of 7-8 years old girls for table tennis according to the hereditary characteristics of physical development and the psychomotor manifestations.
Analysis of literary sources
Method of control test
Methods of mathematical and statistical processing.
The development of morphological criteria, by taking into account the heredity, should not become complicated and involve an increased number of tests. It is recommended to apply more informative new tests which, on the one hand, simplify the process of selection, and on the other hand, contribute to obtaining reliable information regarding the hereditary influence. We assumed that there might be a certain hereditary dependence between the Quetelet index of parents and their children, which would provisionally reflect some conjugate criterion. While studying various scientific works, it was found that Manolachi experimentally developed and tested such a method for calculating the “conjugacy coefficient” of selection criteria and successfully applied it to the initial sports selection of children judo players.
It has been assumed that this simple and sufficient informative method can be applied to the selection of 7-8 years old girls for playing table tennis. The essence of this method consists of the following: at the coach’s request, the girls notify about the weight and height of their parents; these values are included into an appropriate table. To calculate the average Quetelet index, it is necessary to divide the weight of each parent by his/her height (weight in kg / height in cm), add the results and divide by 2. Further, the weight and height of the daughter are measured and the weight-height parameters (the Quetelet index) are calculated. Then, according to the formula below, the obtained average Quetelet index of parents is divided to the Quetelet index of their daughter; thus, the conjugacy coefficient (Cc) is obtained.
Average Quetelet index of parents
(mother + father)/ 2
-------------------------------------- = Cс (conjugacy coefficient)
Quetelet index of their daughter
After this test, the girls are selected according to the “conjugacy coefficient” (Cc). In this order, it is measured the gradation where the coefficient of conjugacy is attributed and it is concluded on the selection of the child. The experimentally developed gradations of the indicators of relative body weight and height for the monitored girls and their parents, using the Cc, have the following values:
- 1.28 and less: the child’s body is very influenced by heredity; in the future, there is a probability of body weight lack in relation to his/her own growth.
- 1.29-1.68: in the future, it is possible for the child to have optimal weight-height parameters associated with heredity;
- 1.69 and more: the child is so influenced by heredity that, in the future, it is possible for him/her to have excessive body weight in relation to his/her own growth.
If the Cc indicator is below the value of 1.28 or above 1.69, the relevant applicant is transferred to the “reserve” group.
Thus, by using this method, it was studied the weight-height relationships between 7-8 years old girls and their parents, and according to the above formula, there were obtained reliable indicators of the conjugacy coefficient (Table
According to these values, most of the participants could be selected for practicing table tennis. At the same time, within the final morphological selection of the girls, we were guided by the “norm” indicators of the conjugacy coefficients (1.28-1.69) characterising the optimal influence of heredity, which, in the corresponding column of the “Selection” table, was marked with “+”. The conjugacy coefficients that did not correspond to the “norm” were marked with “-” (red colour in the table), and these children were catalogued as not having passed the morphological selection, possibly due to the negative impact of their heredity.
Also, as shown in Table
Thus, within the selection practice, the study of children’s weight-height indices based only on the Quetelet index is not always justified. In our opinion, this indicator should be associated with the parents’ Quetelet index, which will reduce (as can be seen from our example) the negative prognosis up to 13% and will optimise the table tennis training. In the situation where a child does not have one or both parents, the final decision on the selection is always taken by the coach.
In accordance with the study objectives, we also experimentally demonstrated the role of psychomotor tests for the initial sports selection of 7-8 years old girls for table tennis training, which allowed us to evaluate their motor skills. Among various motor tests widely used in practice, we selected only those having a high (reliable) degree of correlation with children’s psychomotor parameters. We are deeply convinced that studying the psychomotor parameters, as a leading factor of motor potential, combined with the motor abilities of children of this age, will ensure the evaluation of their suitability for a successful table tennis practice. At the same time, the selected motor tests should be sufficiently reliable and informative to identify the girls’ motor manifestations of speed, speed-strength, coordination and other abilities, the sensitive and sufficient development of which will contribute to a more successful and effective solution of the motor issues within the first stage of training. The list of these tests is presented in Table
The testing was conducted in relatively standard conditions using a common methodology. More than this, following the test (on a sample of 156 persons), there were developed criteria for the psychomotor initial selection. Thus, after the first stage of selection of 7-8 years old girls, according to the criterion of morphological condition and taking into account the hereditary factor, a group of 26 girls was admitted to the second stage of selection, where their psychomotor state was evaluated. At the same time, after the completion of tests, the results were compared with the selection criteria. If the result shown during each test was equal to or higher than the lower limit of her psychomotor criterion, the tested girl successfully passed the stage of selection for table tennis. If the test results were lower than the selection criteria (at least in one of the tests), the “candidate” was excluded from the further competition.
The results of the psychomotor selection of girls for table tennis are presented in Table
Thus, the experimental selection of 7-8 years old girls based on their psychomotor abilities has shown that the majority (73.10%) have sufficient age-related motor preparedness and experience to solve problems in the initial table tennis training, and at the same time, some of the test participants (26.90%) have not reached the required level of motor condition. Therefore, based on the psychomotor condition, only 19 participants out of the total of 26 were selected for table tennis improvement.
The conditions of modern society make the number of children who would like to practice different kinds of sports drop every year, and of those who would like to practice sports, the majority is either unhealthy or have an insufficient level of physical training. That is why, now more than ever, the issue of the initial sports selection of children, including table tennis, is very important.
The modern initial sports selection of girls aged 7-8 years for table tennis is conducted in the following manner: hereditary signs of morphological development; psychomotor manifestation; functional and motor condition.
The morphological, functional and psychomotor development of children of 7-8 years old allows them to successfully participate in the competitive initial sports selection for table tennis and progress in the subsequent stages of sports development.
In our opinion, the conducted scientific research on the development and application of the criteria to the physical and psychomotor development contribute to a more efficient initial selection of children for table tennis.
The experimentally developed criteria for the selection of 7-8 years old girls should be modern, relevant, representative, and should be reviewed every 5 years by academic entities in the field of sports.
Studying the hereditary signs of physical development of children using the Manolachi method (2009) also allows, with a confidence probability of 95%, to predict the perspectives of the morphological state of 7-8 years old girls and their sporting opportunities for the intensive practice of table tennis.
During the initial sports selection of 7-8 years old girls, it is necessary to study their motor readiness and psychomotor state, which can informatively reflect their previous motor experience and thereby influence the results of the selection.
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05 March 2018
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Sports, sport science, physical education, health psychology
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Mocrousov, E. (2018). Modern Initial Selection of 7-8 Years Old Girls for Table Tennis. In V. Grigore, M. Stanescu, & M. Paunescu (Eds.), Physical Education, Sport and Kinetotherapy - ICPESK 2017, vol 36. European Proceedings of Social and Behavioural Sciences (pp. 232-239). Future Academy. https://doi.org/10.15405/epsbs.2018.03.31