bluuebunny/crossref_metadata_2025 huggingface dataset:
THE HYGIENIC ASSESSMENT OF THE WORKING ENVIRONMENT IN INDIVIDUAL OCCUPATIONS IN BUILDING ORGANIZATIONS
Authors: Kopytenkova Olga I. , Tursunov Z. Sh. , Levanchuk A. V. , Mironenko O. V. , Frolova N. M. , Sazonova A. M.
Published: March 2019

Introduction. The development of the construction industry is accompanied by the use of new technologies and building materials. Materials based on mineral wool (MW) became to be widely used. The article presents the results of the study of working environment factors and the determination of the safe for health work experience based on the health risk calculation for workers in contact with MW. Material and methods. To quantify the air pollution of the working area at the construction site, samples were taken using an aspirator and a dust meter. An absorption method using a spectrophotometer was used to determine the chemical composition of the dust. Statistical analysis and mathematical modeling were carried out using a standard software package Microsoft Excel, STADIA. Results. A table for the rapid health risk assessment of workers in contact with MW was developed. The risk of health loss is determined as “High” (R = 11.3). Discussion. Working conditions under the performance of heat-insulating works at facades cladding with the use of MW are classified as harmful (class 3.2) on the dust content in working zone air. In the course of the study, coarse dust and fine dust were found in the air. The data on the change of the dust concentration depending on air humidity, the concentration of dust particles of different dispersion at different distances from the place of work is presented. The chemical composition of dust is presented, the presence of heavy metals is established. Dependences for the determination of safe for health work experience under the influence of the various concentration of dust and the duration of contact are constructed. Сonclusions. On the basis of the research to improve the legal support in the field of occupational health and safety, a number of activities for workers engaged in work with the use of MW are proposed.
PROFESSIONAL BURNOUT IN DOCTORS: THE VALUE OF THE INTENSITY AND QUALITY OF THE WORK
Authors: Sorokin Genady A. , Suslov V. L. , Yakovlev E. V. , Frolova N. M.
Published: March 2019

Introduction. In Russia, as in other countries, the share of the population engaged in professions in which the leading source of the health risk of workers is organizational and psychogenic causes is continuously increasing. Among them, the leading place is occupied by the physiologically inadequate workload. The aim of the research was to establish the relationship patterns of acute and chronic (professional burnout) fatigue with the workload, which was characterized by a combination of the intensity and quality of the work. Material and methods. The index used was generalizing the time-weighted average density (N) and temp (T) employment action: I = P∙T. evaluation of the physiological intensity was carried out in the relation to the level obtained for 1, which was made value I=0.84 (a comfortable temp T=1; the share of breaks and pauses in work to 0.16, P=0.84). Results. Functional overvoltage in doctors occurs during the working day with the intensity of labor is 1.4-1.5 times higher than the level at which the fatigue they have absent or small. The change in labor productivity (number of admissions, number of bets, etc.) in more than the stated range is only possible due to, changes in the quality of work (saving the physical, mental, emotional effort). Increased physiological labor intensity of doctors is the most common source of the risk to their health. Discussion. The most common causes of stress and fatigue including “volume and intensity of work” and “working hours” characterize the level of labor intensity. The factor of “imbalance of effort and reward” is also associated with the intensity of work and health risk. In the case of physical, visual and mental labor, the acute functional overstrain of the worker occurs at a labor intensity 1.4-1.5 times higher than the level at which he has little or no fatigue. The increase in labor productivity in excess of the specified range is possible only due to behavioral adaptations - saving of physical, visual, mental and emotional efforts spent on the fulfillment of a unit of standardized labor, which is inevitably reflected as a result of the activity of the doctor. Сonclusion. The established quantitative characteristics of the main indices of the workload-the physiological intensity of labor and the length of working time are the starting point for the analysis, prediction and primary prevention of the risk of chronic fatigue and professional burnout of medical workers due to the lack of rest that occurs under working conditions, inadequate recovery ability of the human body.
STUDY OF THE HEALTH STATE IN PATIENTS WITH OCCUPATIONAL POLYNEUROPATHY OF UPPER EXTREMITIES
Authors: Kochetova O. A. , Malkova Natalia Yu. , Kuprina N. I.
Published: March 2019

Introduction. Autonomous sensory polyneuropathy of upper extremities is one of the most common occupational diseases of the peripheral nervous system. Materia and methods. Findings of the health state study in two major worker jobs in which occupational polyneuropathies of upper extremities are prevalent, namely: house-painters and plasterers, as well as mining job workers (underground miners, shaft miners, breakage face miners), are reported. The main harmful factor in both professional groups is the heaviness of the working process. Results. Physical overloads are a reason of the occupational pathology’s complex of “working hand”. At the same time, no systemic autoimmune or endocrine diseases with similar polyneuropathy were detected. Other harmful factors in the working process such as occupational dust, intensive noise can cause another occupational pathology (in respiratory or hearing organs). Discussion. In spite of obviously different working conditions, we detected the same professional diseases in both professional groups - “the working hand pathological complex”. Our findings indicated the importance of the regular periodic check-ups. Doctors should search actively the early signs of coexisting with the occupational polyneuropathy illnesses. The results of health state’s research should be taken into account in the patient’s treatment planning.
THE ROLE OF THE BIOFACTOR IN THE FORMATION OF OCCUPATIONAL DISEASES IN HEALTHCARE WORKERS
Authors: Petrukhin Nikolai N. , Loginova N. N. , Andreenko O. N. , Grebenkov S. V. , Voronkova S. V.
Published: March 2019

This article presents data on the leading role of the biological factor in the formation of occupational diseases among health workers for an 18-year period of the work at the North-West Scientific Center for Hygiene and Public Health. The purpose of the study is to provide an objective assessment in establishing relationships related to the effects of a biofactor on the health of health workers. A retrospective analysis was made of a sample of case histories with established occupational diseases due to the impact of a biological factor. There were observed in dynamics 67 cases including 52 women (77 %) and 15 men (23%) aged 23-67 years. All of them were examined for the establishment of the relationship between the disease and occupation during the period of 2000-2017. The infectious agent is considered to be the leading harmful production factor when analyzing working conditions. The average work experience with an infectious agent was 14 years. The class of working conditions in most cases was estimated from permissible to harmful of the 1 degree. Based on the data of sanitary and hygienic characteristics of working conditions, the excess of the maximum permissible concentrations of harmful industrial substances in the air of the working area was recorded only in 8% of cases. The detectability of occupational diseases after periodic medical examinations was 6%; by clinical examination - 8%; when contacting a local physician 20%; to the pathologist 20%; as a result of self-reversal 46%. The biological factor is the leading harmful factor in the workplace of medical workers. As the main preventive measure for occupational diseases among physicians, systematic medical examinations followed by preventive, curative and rehabilitative measures are taken. The most effective way to reduce infectious diseases is the compulsory vaccination of medical staff.
COMPARISON OF AN EFFICIENCY BETWEEN MICRONUCLEUS TEST IN BUCCAL EPITHELIAL CELLS AND CULTURED HUMAN BLOOD LYMPHOCYTES
Authors: Yurchenko V. V. , Krivtsova E. K. , Urtseva N. A. , Ingel Faina I.
Published: March 2019

To identify the mutagenic danger of various factors for humans often use two micronuclear tests - in peripheral blood lymphocytes cultivated with Cytochalasin B and in buccal mucosa epithelial cells. The last test is non-invasive and it is incomparably easier for collection and fixation an epithelial cells. Apparently, therefore, there is a sufficient number of publications of the results of meta-analysis of comparisons of these tests, which prove the possibility of their substitution. The aim of our work is to verify the hypothesis of interchangeability of micronuclei tests (MT) on lymphocytes and epithelium mucosa cells by comparing their effectiveness (presence/absence of effect). We selected publications from an array of data on the assessment of any factors - from diseases to industrial and household hazards, but only those in which the same volunteers were taken both tissues - blood for lymphocytes cultivation and scraping of buccal epithelium. Studies with negative response in both tissues compared to the control population were excluded from consideration. Our analysis showed that in the evaluation of 30 different factors affecting humans, a positive result in both tissues was obtained for 17 factors, only in human blood lymphocytes - for 7 factors, and only in buccal epithelium cells- for 6 factors. In addition to these comparisons, the cited articles show the features of each method and the problems associated with the interpretation of the results obtained in each of them. We concluded that for greater reliability of detection of mutagenic factors in genetic and hygienic studies it is advisable to use both tests.
CASES OF TICK-BORNE DERMATITIS, CAUSED BY ORNITHONYSSUS BACOTI, IN MEDICAL WORKERS
Authors: Chistyakov Nikolai D.
Published: March 2019

Introduction. The article presents data on cases of tick-borne dermatitis in medical workers caused by rat mites Ornithonyssus bacoti in unfavorable sanitary conditions. The goal is to consider the cause-effect relationship in the formation of tick-borne dermatitis as an industrial-conditioned disease. Material and methods. The clinical examination of 23 employees - female medical workers (doctors, nurses) aged from 28 to 56 years was carried out. Results. As a result of clinical examination, medical employees working in the department of a medical hospital on the first floor of the building were found to have complaints of severe itching, not associated with the time of day and the appearance of rashes in the form of roseola, small nodules in areas with thin and delicate skin, with serous or bloody crust on the top, mainly in the places of close contact with the laundry, where it fits snugly (especially the straps, collar, belt). On weekends, the improvement was noted, the itch subsided, and on returning to work the manifestations of the disease resumed. The medical staff at the workplace had contact with rat mites, triggered by the spontaneous mass infiltration of Ornithonyssus bacoti shortly after in the basement of the hospital located under this deratization department, when the main feeder-rat was destroyed and the mites were forced to look for the food, motor activity, leave the nest of rodents and crawl into the premise on the ground floor, preferring insulated places, concentrating in the crevices of the floor, walls, furniture, and there was an attack of ticks on a human. At the same time, employees working in the department did not depend on the profession, it was also noted among doctors and nurses. Conclusions. Given that the nature of the work in the performance of their duties at the workplace, medical personnel should not have direct contact with animals and substrate that can be infected with rat mites, as well as the occurrence of the disease soon after the deratization in the hospital, the mass and uniformity of the appearance of rashes allow to consider rat tick-borne dermatitis as an industrial-conditioned disease.
COMPARATIVE ANALYSIS OF SERUM ANTIBODY RESPONSES TO H.PYLORI AND TO RECOMBINANT CAGA IN THE COHORT OF WORKING-AGE MOSCOW ADULTS
Authors: Khripach Ludmila V. , Knjazeva T. D. , Yudin S. M. , German S. V. , Zykova I. E.
Published: March 2019

Introduction. Helicobacter pylori (Hр) is a helix-shaped bacterium adapted evolutionary to living in the mucoid of stomach. Considered usually as one of the factors in the development of gastritis, peptic ulcer and gastric cancer, but the opposite opinions were also discussed. The aim of this study was to assess levels of serum antibodies to Hp and recombinant CagA in the cohort of working-age Moscow adults. Methods. Commercial ELISA kits “IFA-Helicobacter IgG”© (ZAO EKOlab, Russia) and “HelicoBest-antibodies”© (ZAO Vector-Best, Russia) were applied for the estimation of serum antibodies to Hp and CagA, correspondingly, in the observed cohort (both gender adults, N=319). Results. 85 % of the human cohort (N=271) had positive rates of IgG-antibodies against complex Hp antigen, with lognormal distribution of IgG titers (median 1:688; Q1 - Q3 1:370 - 1:1223) and cut-off value equal to 1:100. 54 % of the human cohort (N=172) were seropositive to recombinant CagA, with the levels of total serum antibodies (IgM, IgA and IgG) from 23 to 129 elisa units (median 87,9; Q1 - Q3 56,7 - 102,5) and cut-off value equal to 18,5 EU. The distribtion of CagA antibody levels was sharply different from lognormal distribution of IgG titers to complex Hp antigen and had signs of bimodality with the main maximum shifted to the right. In the complete cohort under observation (N=319), the levels of serum antibodies to Hp and CagA were associated with a weak (R=0,217), but highly significant (p=0,00009) positive linkage; human persons, seropositive to both antigens, had no any association between the markers. Discussion. Possible reasons of differences in the shape of distributions of the studied markers are discussed. Taking into account the extraordinary genetic variability of natural Hp isolates, lognormal distribution of antibodies to complex Hp antigen can reflect combinatorial differences in the degree of proximity of Hp antigenic determinants between human persons under observation and the antigenic preparation. Bimodal distribution of antibody levels to individual protein CagA, possibly, reflect genetically determined differences in immunoreactivity inside the observed cohort.
HEAT WAVES AND COLD SPELLS IN THREE ARCTIC AND SUBARCTIC CITIES AS MORTALITY RISK FACTORS
Authors: Revich Boris A. , Shaposhnikov D. A. , Anisimov O. A. , Belolutskaia M. A.
Published: March 2019

Climate change leads to an increase in the frequency of temperature waves. To assess the impacts of temperature waves on cause-specific mortality rates, this study characterized the frequency and duration of heat waves and cold spells in the cities of Murmansk, Archangelsk, and Yakutsk in the period of 1999 - 2016. The relationships between mortality and temperature waves in these cities were estimated using three bioclimatic indices (dry bulb temperature, apparent temperature, wind-chill index). The relative predictive powers of these indices were compared. The main drivers of elevated mortality during such events were identified differentially by the cause and the age of death. Forty heat waves and thirty-seven cold spells were identified in these cities, using dry bulb temperature as an explanatory variable. Cardiovascular deaths mostly contribute to elevated total mortality rates during protracted exposures to extreme heat and cold. Heat-related health risks are more pronounced in the south of European Russia than in the Arctic cities. Cold-related risks are higher in the northern cities.
THE MERCURY CONTENT IN THE BLOOD OF INHABITANTS OF THE YAMALO-NENETS AUTONOMOUS DISTRICT
Authors: Agbalyan Elena V. , Shinkaruk E. V.
Published: March 2019

There are presented results of a study of the mercury content in the blood of 151 residents residing in the Yamalo-Nenets Autonomous district (YaNAO). Mercury is a toxic chemical of concern on a global scale. YaNAO is characterized by the presence of numerous sources of emissions of mercury - the enterprises of oil and gas production, develop the mineral deposits of the Polar Urals, housing and communal complex, gold mining, mercury ore occurrence. The study shows high levels of mercury in the blood of 41.7% of the surveyed residents of the Yamalo-Nenets Autonomous district, of which 35.6% are in the Taz district, 51.9% - in village Harsani, 60% - in the village Kutop’yugan. There were revealed high levels of mercury in the blood of the indigenous population of Yamal. The excessive accumulation of mercury was seen in 27.8% of indigenous males, in 18.2% of indigenous women (Tazovskiy district), in newly arriving men and women elevated levels of mercury in blood was not detected (Tazovskiy district). The absolute average values of mercury in blood from indigenous men (0.0112±0.0049 mg/ml) was almost five times higher than in migrant men (0.0023±0.0009 ág/ml); in indigenous women (0.0096±0.0063 mg/ml) the difference was almost three times in comparison with the migrant women (0.0038±0.0023 mg/ml). There is identified the possible damage to health from exposure to elevated concentrations of mercury for every third of the surveyed resident of Harshim settlement, village Kutop’yugan and 14.6% of the surveyed residents of the village Tazovskiy (the concentration of mercury in blood above 0.015 mg/ml). Elevated concentrations of mercury in the blood of residents of Nakhodka and Kutop tundra dictate the urgent necessity of the strengthening of control over the mercury contents in natural environments. It is necessary to conduct a surface gas-mercury survey on the territory of the Yamal and Gydan Peninsulas to identify a hidden source of mercury pollution. Research must be continued.
ASSESSMENT OF DEVELOPMENT OF SOCIO-ECOLOGICAL SYSTEM OF THE INDUSTRIAL CITY
Authors: Leshchenko Yaroslav A.
Published: March 2019

The assessment of the sustainability of the socio-ecological system of the Siberian industrial city in the period of radical social and economic reforms (period 1990-2012) has been performed by the proposed method. The comprehensive dynamic analysis of the characteristics of the major subsystems (the quality of the urban environment; the reproduction of the population; the medico-demographic status; the socio-economic and medico-social status of the population) showed that during the specified period the habitat and the vital indices of the population was in a state of socio-ecological ill-being. The proposed method, at its core, can be used to establish regularities and features of various types of urban social-ecological systems.
CONTROL ELEMENTS OF ENVIRONMENTAL SAFETY UNDER THE CONDITIONS OF CHEMICAL AND MAN-MADE FACTORS
Authors: Shmandiy V. M. , Kharlamova Elena V. , Rigas T. E.
Published: March 2019

The results of investigations are examined in terms of the development of custom ecological safety controls of the action of chemical and technogenic factors. The work is executed in the Department of Ecological Safety and Natural Management of Kremenchuk Mykhaylo Ostrohradskyi National University (Ukraine). The actuality of the theme is determined by insufficient knowledge of the simultaneous impact of factors of the formation of the ecological danger of different genesis, imperfection and the high cost of existing technical safety management tools. Research is conducted in the Kremenchug socio-economic area - region with the intensive technogenic loading. Where the simultaneous presence of constituents of the danger of different genesis and unfavorable keeping of its sources takes place in relation to the objects of the different setting. On results of monitoring of the states of the ecological danger, its regionally significant components and sources are identified: a waste disposal site, technological ponds of a washing and steaming station, technogenic earthquakes. On the basis of monitoring observations and instrumental measurements, manifestations of an ecological danger are recorded: exceeding the permissible concentrations of harmful substances in aquifers, as a result of which the water in the wells does not meet the standards and is not suitable for consumption; exceeding the permissible levels of vibrations of structural elements in living quarters, cracks and plastering of plaster were also found, temporary deterioration of people’s health was recorded. The system of technical decisions is developed on a management ecological safety. The technology of rendering of the ground deposits by destructors harmless is applied, due to what the sources of ecological danger are liquidated at the washing-steaming station. Experience of the improvement of position descriptions of sources of technogenic earthquakes is grounded, namely artificial change of parameters of environment with the purpose of limitation of area of distribution of waves to the dangerous objects (low-power explosions for the crushing of hard rocks, the construction of near-surface hollow protective structures filled with porous materials, the planting of certain tree species with developed root system). For cleaning of water objects from heavy metals, petroleum products, and fats, the sorbents of increased absorptive capacity, manufactured using an improved method (the use of grinding and mechanical activation processes) from wastes from the agro-industrial complex are used.
THE COMPARATIVE ANALYSIS OF INCIDENCE AND MORTALITY OF THE POPULATION LIVING IN VARIOUS CLIMATIC ZONES OF RUSSIA
Authors: Yakovleva Tatiana P. , Mikhaylova N. S. , Tikhonova G. I. , Kalitina M. A.
Published: March 2019

The article presents a comparative analysis of health indices of the population living in different (second and third) climatic zones of Russia. The selection of the climatic belts is based on the climate of each zone: average January temperature, average July temperature, especially the winter period, which affects the heat transfer processes in a person and the subjective, the perception of comfort climate. In identifying the role of climatic factors in shaping the health of the population, a comparative analysis of areas with different climatic parameters at similar levels of socio-economic indices: per capita income, unemployment rate, number of physicians, persons with higher and incomplete higher education, ethnic composition. Under similar socio-economic conditions in the regions, the role of climate is obviously shown to be in shaping the health of the population. The health of the population was assessed in terms of the morbidity and mortality rate in selected population groups. The morbidity rate was analyzed in age groups, not characteristic for migration (children aged 15-17 years and older). Children not exposed to occupational factors as adult population residing permanently in the region. The incidence of an older population living in the third climatic zone (Novosibirsk region), as in all diseases, and for individual disease groups exceeded the performance of the corresponding age groups of the second climatic zone (Penza region). Higher levels of the mortality rate of the population of the Novosibirsk region, compared to the same figures for the population of the Penza region, are formed at the age of 50 years and older in the following causes of death: cerebrovascular diseases, endocrine diseases, alcoholism, trauma, poisoning, and other external influence.
RETROSPECTIVE ANALYSIS OF THE EPIDEMIOLOGICAL SITUATION ON PARASITIC DISEASES IN THE VLADIMIR REGION
Authors: Martsev Anton A. , Rudakova V. M.
Published: March 2019

The paper presents an analysis of official statistics of the “Center for Hygiene and Epidemiology in the Vladimir Region” on parasitic diseases of the population of the region in 2000-2016. Analysis of the statistical material showed the following groups of parasitic diseases to be registered in the territory of the region, depending on the systematic belonging of the pathogen: protozoosis, helminthiases, acariases, and insectoses. The greatest morbidity in the region among parasitic diseases is in enterobiosis and pediculosis, the main proportion of which falls on children. The conducted ranking of the territory with the subsequent construction of maps for each nosology made it possible to identify the area’s most unfavorable both for the individual.
HYGIENIC ASSESSMENT OF THE AIR IN THE WORKING AREA OF THE CHEMICAL PLANTS OF BUTYL ALCOHOLS AND METHYL-TRET-BUTYL ETHER
Authors: Taranenko Natalia A. , Meshchakova N. M. , Zhurba O. M.
Published: March 2019

There was made a hygienic assessment of the air environment of chemical production in Eastern Siberia for the production of commercial butyl alcohol of ISO - and normal structure and methyl-tret-butyl ether (MTBE). The company uses continuous processing cycles with a high degree of automation and mechanization of labor-intensive operations. A retrospective study of the air of the working area of these industries over the 13-year period found no exceedances in MAC of harmful substances (butyl alcohols, MTBE, and oil aldehyde, methanol, aliphatic hydrocarbons C1-C10, carbon monoxide, cobalt tetracarbonyl hydride), there was a noticeable downward trend over the observation period, which is associated with the introduction in the target industries of technical and sanitary-hygienic measures, optimization of working conditions. The studies carried out at the present time indicate a continuing effect on low-intensity chemical compounds operating in the said complex, which corresponds to the permissible level of the occupational risk.
DISORDERS OF THE IMMUNOREACTIVITY AS A MARKER OF PROFESSIONAL RISK TO THE HEALTH OF WORKERS IN THE PRODUCTION OF VINYL CHLORIDE
Authors: Bodienkova Galina M. , Rukavishnikov V. S.
Published: March 2019

Production of vinyl chloride (VC) is one of the largest world production of volume organic chemical intermediates, consumption of which, according to estimates from 2015 to 2020 will grow. Currently, the VC production involving more than 2 million people, the risk of formation of occupational and industrial-caused diseases might be significant. The purpose of this study was to evaluate the status of the immune reactivity of the organism of workers of different professional and experienced groups in the modern VC production to justify informative immunological criteria of the occupational health risk. There were performed the laboratory and immunological study of 77 men working in the VC production. The paper considers the regularities of formation of compensatory-adaptive immune responses in working in the VC production depending on the intensity and duration of exposure to adverse production factors. There is a more pronounced imbalance in the immune system workers of the main occupations (operatives, technicians) with long (10 or more years) experience. It characterized by a decrease in IL-2, IL-4, IgM and increased the production of IL-8, INF-α, TNF-α. The engineering staff experiencing less stress by toxicants, showed the compensatorily increased production of IL-1β and decrease of IgA and also unidirectional, but less pronounced changes in the content of IL-8, INF-γ. There is the relationship between the development of disorders in the immune system of workers in various occupational groups and the level of occupational risk for these specialties. Substantiated informative immunological parameters for the early detection of functional disorders of immune regulation underlying the formation of various diseases are necessary for the timely implementation of effective prevention programmes. Thus, the state of the immune reactivity of the body reflects the level of the adaptation potential of employees of various professions and experienced groups and may be an integrated assessment of the risk of violations of occupational health. The implementation of methods of immunodiagnostics will as predict and identify the disease at the early stages of its development that can optimize the resistance of the organism involved in the VC production as reducing the incidence.
DYNAMICS OF ANTHROPOMETRIC INDICES OF CHILDREN AND ADOLESCENTS IN THE CITY OF VOLGOGRAD (1976-2016)
Authors: Latyshevskaya N. I. , Yatsyshen V. V. , Davidenko Ludmila A. , Yatsyshen T. L.
Published: March 2019

Based on three investigations (1976, 2000, 2016), conducted using the uniform procedures, we compared physical development characteristics of school-age children (aged of 7-17) in the city of Volgograd between 1976 and 2016. Between 1976 and 2000 we found the physical rate of growth in younger school children to stabilize. We also observed the gain in the body length in older age groups as well as higher weight and height growth rates. Between 2000 and 2016 we recorded a decrease in the body length and weight gain in most children and adolescents which was more male-specific. In general, between 1976 and 2016 there was a decrease in body length in both girls and boys of the primary school age, an increase in the body length in boys aged 12-17 and in girls of 13 years as well as a weight gain in children of the school age. The dynamics of physical development characteristics should be considered when developing preventive and health-promoting measures.
FUNCTIONAL TESTING OF THE MUSCLES IN THE HYGIENIC EVALUATION OF THE PREVENTIVE EFFICACY OF PHYSICAL EDUCATION IN PRIMARY SCHOOL
Authors: Khramtsov Petr I.
Published: March 2019

The possibility of using the results of functional muscle testing in the evaluation of the preventive efficacy of the physical education of children in primary school is discussed. The results of the evaluation of the functional state of the pectoral muscles and muscles of the shoulder girdle, muscles of the pelvis and lower extremities in 59 first grade pupils in the dynamics of 2 years of the learning of the physical education differentiated according to the gender (the grade of girls and the grade of boys). The elective part of the educational program of physical education consisted of separate units focused on the development of mainly flexibility and coordination in girls, strength, and endurance - in boys. It is established that most often the decreasing of muscles elasticity was characteristic of pectoralis muscles and shoulder girdle muscles compared to the muscles of the pelvis and lower extremities. Peculiarities of the distribution of the enslavement of muscles and the dynamics of their functional state in children of different genders in the learning process are established. The conclusion about the expediency of functional muscle testing for hygienic evaluation of the preventive efficacy of physical education in primary school was made.
THE PREVALENCE OF TOBACCO SMOKING HABIT AND PECULIARITIES OF RESPIRATORY DISEASES AMONG STUDENTS-SPORTSMEN OF HIGHER EDUCATIONAL ESTABLISHMENTS (CHELYABINSK)
Authors: Makunina Olga A. , Kovalenko A. N. , Bykov E. V. , Kolomiets O. I.
Published: March 2019

Modern tendencies in the prevalence of tobacco smoking habit among the Ural State University of Physical Culture («UralSUPC») and Chelyabinsk State University («ChelSU») students are presented in the article. The analysis of the results of a questionnaire on tobacco smoking habit, carried out in these two higher educational establishments, allowed establishing the fact, that the number of smoking students of «UralSUPC» was 31% lower than that of «ChelSU». The analysis of the passive smoke in those students was also conducted. The received results proved «UralSUPC» students to be less vulnerable to the passive smoke than those in «Chelsea». The analysis of the results of the morbidity showed the leading role of respiratory diseases in the structure of the temporary disability. Taking into account unfavorable ecological conditions, often occurring in Chelyabinsk, it can become one of the key factors for the development of chronic respiratory diseases in smoking students. The investigation results are the reason for carrying out correction work with «risk group» of smoking students.
PHYSIOLOGICAL FEATURES OF PUBERTY OF CHILDREN IN CONDITIONS OF INCREASED PHYSICAL LOADS
Authors: Shaikhelislamova M. V. , Dikopolskaya Natalia B. , Bilalova G. A. , Zefirov T. L.
Published: March 2019

The article presents the results of a comprehensive study of the daily excretion of cortisol (free and bound), 17-keto steroids and the state of hemodynamics in young hockey players of 11-15 years taking into account the stages of puberty, as well as their comparative characteristics with performance in control class boys engaged in physical culture in the volume of the comprehensive school. It is shown that at the I-IV stages of puberty observed consistently high urinary free cortisol, was significantly higher than in the control class boys, and from IV to V stage - simultaneous and significant decrease in all studied parameters of the functional state of the adrenal cortex was noted. The I and II stage of the puberty in athletes are characterized by maximum values of the heart rate, cardiac output, and diastolic blood pressure values, and their subsequent reduction to stage III, in this case from IV to V stage of puberty there is a significant increase in peripheral vascular resistance. In contrast, in children who are not involved in sports, pubertal changes in the state of hemodynamics have opposite directions. Thus the adaptive responses of the physiological systems in young athletes prevail over evolutionary processes associated with the puberty.
DEPENDENCE OF ELECTRON PARAMAGNETIC RESONANCE (EPR) SPECTRUM PARAMETERS ON THE KIND OF MEAT AND FISH TREATED BY IONIZING RADIATION
Authors: Timakova R. T. , Tikhonov Sergei L. , Evdokimova O. V. , Butenko I. V.
Published: March 2019

Regulation of the use of ionizing radiation for treating food products and agricultural raw materials in Russia in 2017 suggests a wide dissemination of radiation technologies in the food industry, but manufacturers of food products processed by ionizing radiation do not indicate on the label the relevant information. Because of this, the identification of the domestic consumer market of food products processed by ionizing radiation will reduce the number of violations of requirements of state standard State standards (GOST) 33800-2016 “Production of food irradiated. General labeling requirements”. To determine whether irradiation of food raw materials and foodstuff, used the method of electron paramagnetic resonance (EPR), with each of the food products treated by ionizing radiation has its own characteristic EPR spectrum. In this regard, the aim of the research is to identify the dependence of the parameters of the EPR spectrum from meat, fish and poultry treated with ionizing radiation. Samples of bone tissue (SBT) meat, fish and poultry were subjected to radiation treatment with a linear electron accelerator model UELR-10-10С2 with energies up to 10 MeV. Studies of samples were carried out on the portable automated EPR spectrometer brand Labrador Expert X-band. Found that despite treatment samples of bone tissue with the same dose of ionizing radiation (12 kGy), the EPR signal depends on the type of vertebrates, the structure of the tissue sample, and other factors. Bone samples of beef and pork have a higher sensitivity to irradiation. Recorded a steady correlation between increasing the area of the EPR signal parameters: amplitude is of 0.99, the width of the peak signal, respectively 0,979 (the degree of strength of statistical relationships Chedoke very high). Processing of the obtained results of the EPR spectrum provides a high degree of confidence (p≤0.05) to identify how previously non-irradiated and radiation-processed various meats, fish and poultry.
University lecturers' readiness and motivation in utilizing online technologies for instructional delivery in Kwara state, Nigeria
Authors: Soetan Aderonke Kofo , Cokerb Adesina David
Published: March 2019

This study examined university lecturers' readiness and motivation towards nutilizing online technologies for instructional delivery in Kwara State, Nigeria. The study adopted a survey research design. A total of 254 lecturers drawn from three universities within Kwara State, Nigeria represent the sample for the study. Four research questions were raised to guide the study. The results reveal that lecturers do access online technologies, however at a relatively low extent. Respondents are relatively ready to utilize online technologies in teaching and learning situations and they are also motivated to utilize online technologies in instruction. There is no difference between male and female lecturers readiness to use online technologies for instructional delivery. Both the male and the female lecturers were quite motivated in using online technologies to pass instruction. Based on the findings, it was concluded that university lecturers in Kwara State were relatively ready and highly motivated to utilize online technologies for instructional delivery. The implication of the study is that online technologies could be easily integrated into education with ease. It was recommended that lecturers should develop more interest in online technologies and find more ways they can be incorporated into teaching and learning. Keywords: Online technologies, Utilization, Readiness, Motivation, Instructional delivery, Lecturers, Nigeria.
The Extent to Which Universities Have Embraced Technology in Service Delivery: A Comparative Study of NUST (Zimbabwe) and University of Venda (RSA)
Authors: Khumalo Njabulo Bruce , Baloyib Charity
Published: March 2019

nformation Communication Technologies have greatly impacted the education sector over the years leading to electronic service delivery. Universities all over the world are embracing Information Communication Technologies especially the internet, creating websites, making use of web 2.0 applications, that is, social networks and moving their services from manual based to electronic platforms. The study was comparative, looking extent to which the National University of Science and Technology (NUST) (Zimbabwe) and the University of Venda (RSA) have embraced ICTs in the conduct of business and how this has impacted on their service delivery. Universities have embraced ICTs in different levels, according to their capacity in terms of finances, human resources, institutional capacity and other variables. A combination of web content analysis and a comparative study of the web presence of the two universities was done which revealed that the universities are present on some web 2.0 applications though not fully exploiting all the functions. Websites for both universities were carefully analysed and the results showed that online service delivery was growing yet in need of full implementation and use. It is therefore recommended that these universities adopt online service delivery to enhance and develop lives of the university community. Keywords: Information Communication Technology, Information society, Global village, Universities, e-learning.
Cyberbullying awareness in secondary and high-schools
Authors: Kalender Melike Kavuk , Keser Hafize
Published: March 2019

Abstract This study examines cyberbullying awareness of schools based on the statements of teachers and managers. Survey data were collected from 376 educators in 277 middle and high-schools. The â€˜Questionnaire for Cyberbullying Awareness at Schoolâ€™ was used as the data collection tool and data were collected online and analyzed with frequency and percentage statistics. The findings show that: schools have wrong or inadequate strategies concerning recognition and intervention of cyberbullying; techniques for cyberbullying prevention is sufficient, concerning the creation of an anti-cyberbulling school culture and taking technological precautions; however, the creation of an anti-cyberbullying curriculum, and the construction of specific anti-cyberbullying policies for schools, is lacking in teachersâ€™ cyberbullying awareness. It is clear that cyberbullying awareness in secondary schools and highschools in Turkey must be increased. Keywords: Cyberbullying, cyberbullying awareness, cyberbullying recognition, cyberbullying prevention, cyberbullying intervention
From STEM to STEAM in ancient age architecture
Authors: Çevik Mustafa
Published: March 2019

Abstract This research aims to identify the effects of a science, technology, engineering, arts and mathematics implementation in the ancient age architecture field on the achievements of the undergraduate students and their science, technology, engineering and mathematics (STEM) perceptions. The research was based on the explanatory design, while the experimental design with pre-test and post-test control groups was carried out in the quantitative component of the study and the case study was carried out in the qualitative component. In the first stage, the study context, selections of the groups, development and implementation of the pre-test and formation of the project groups were realised. The second stage was accomplished by carrying out the study in accordance with the determined plan, implementations of the practices, realising the post-test and conducting the interviews. Finally, a significant difference was observed between the achievement test mean scores of the experimental group and the control group in favour of the experimental group. Keywords: STEAM approach, ancient age architecture, STEAM achievement, STEM perception.
Integration of Virtual Reality Fire Drill Application into Authentic Learning Environments
Authors: Tepe Tansel , Kaleci Devkan , Tüzün Hakan
Published: March 2019

In this study, a virtual reality fire drill application was developed with Head-Mounted Display virtual reality technology for university students. The aim of the study is to evaluate the integration process of this virtual reality application into authentic learning environments in terms of student opinions. Case study methodology was used in the study. The results show that this technology provides useful and permanent learning, practice opportunity to students, and this technology increases the motivation and engagement to the courses as well. It has been pointed out by the students that this technology should be used as a practice environment after the theoretical courses in authentic learning environments because this technology can save time and prevent cost lost in addition to avoiding risk factors. The physical environment of the classes can be improved and wireless virtual reality goggles can be used for using this technology, more effectively and efficiently as a course support material in authentic learning environments. Keywords: Virtual reality; Head-Mounted Display; virtual fire drill; authentic learning environments
Improving Informative and Narrative Writing Skills Associated with Multimodal Literacy of Middle School Students
Authors: Bal Mazhar
Published: March 2019

Abstract The purpose of this research is to improve informative and narrative writing skills of middle school students. Text writing process is not limited to written text; it has been tried to move to a multimodal dimension. Comic books are used as multimoal texts. For this purpose, students generated informative and narrative comic books. An action plan was prepared for this text generation process and the research was carried out in accordance with this action plan. Therefore, the study was designed with action research. The research group is middle school students. Data collection techniques were student diary, semi-structured interview form, semi-structured observation form, documents. The documents consist of comics produced by the students. Descriptive analysis and content analysis techniques were used together in the analysis. It has been determined that the writing process has not attracted students. Comic books have been shown to attract students It has also been found that the process of semantics interpretation of the text is facilitated. It has been determined that most spelling and punctuation mistakes were made in the writing process. It is thought that the reasons for these mistakes are the habits of out-of-school life. It has been determined that writing processes related to multimodal texts have a positive effect on students' interest and sense of responsibility. Based on the results of the research, it is possible to make writing studies for the integration of multimodal texts with in-school and out-of-school life; the effectiveness of the writing process must be increased by increasing the number of layers; it is suggested that the multimodal text rendering process can contribute to classroom management. Keywords: Comic book; graphic novel; informative writing; middle school student; narrative writing.
Determination the effect of STEM integrated argumentation based science learning approach in solving daily life problems
Authors: Gülen Salih
Published: March 2019

The purpose of the study is to determine the effect of the science-technology-engineering and mathematics (STEM) integrated argumentation based science learning (ABSL) approach on the resolution of daily life problems and the change of high-level thinking skills. Mixed method was used in the research. The nested pattern is preferred because of majority of qualitative data and to increase the objectivity of the study with quantitative data. Quantitative data were collected with a single group pretest-posttest experimental design. Qualitative data were gathered with document review and daily life problem determination form. The data presented with descriptive and content analysis, frequency, percentage and wilcoxon signed rank test techniques. A homogeneous sample was used in the study. The study was carried out with a randomly chosen class in a mountain village secondary school. As understood from the analysis of the daily life problems before and after the implementation, it was observed as a positive change in the participants thinking about elements such as identification and solution of daily life problems. It is seen that the unresolved problem factor determined for the land factor in hazelnut transportation is removed after the application. According to reflective thinking skills data it was found that participantâ€™s reflective thinking skills â€œmiddleâ€ in pre-implementation and in post-implementation it was â€œhighâ€. The wilcoxon signed rank test was applied to the question of whether the increase in the reflective thinking skills values was meaningful, and it was found that there was no significant difference between pre and post. Various suggestions were made by the research findings. Keywords: STEM-integrated ABSL approach, STEM education, Argumentation, Daily life problems, Reflective thinking
Investigating the relationship between task complexity, cognitive ability and disorientation in hypertext navigation
Authors: Bayazıt Alper , Bayram Servet , Cumaoğlu Gonca Kızılkaya
Published: March 2019

Users sometimes face a common and serious problem called disorientation, which is defined as the feeling of being lost in a web-based environment. It is important to determine the reasons for disorientation in order to make the students navigate more efficiently in these environments. The aim of this study is to investigate the relationship between navigation patterns, disorientation level and studentsâ€™ cognitive ability. For this purpose, an experimental research was designed and a 223-page Wiki environment was developed as a network structured hypertext environment. Sixty-nine university studentsâ€™ navigation processes including 6.880-row log data were recorded in order to measure their disorientation scores. We found that task complexity negatively affected disorientation scores. Disorientation scores decreased as the tasks became more difficult. Possible causes of the results are discussed. Keywords: Disorientation, cognitive ability, hypermedia navigation, task complexity.