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    Wyświetlanie 1-7 z 7
    Tytuł:
    Body Composition and Performance in Cross Country Skiing
    Autorzy:
    Grzebisz, Natalia
    Powiązania:
    https://bibliotekanauki.pl/articles/1192193.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    cross-country skiing; parameters such cardiovascular; body composition; acidification; supplementation
    Opis:
    The aim of the study is to demonstrate the relationship between volume and intensity of work that the cross country ski during the macrocycle training and supplementation, and changes in body composition. This work is based on analysis of source materials, obtained from conducted individually by the athlete registration process of training, maximal exercise test results and the results of measurements of body composition performed in the laboratory functional studies. The highest results in terms of oxygen uptake test obtained during the second measurement. VO2 max reached the 3.2 l / min and 54 mL / kg / min VO2 on the threshold LT 49 ml / kg / min,% VO2 max on the threshold LT - 90.7. The maximum values of blood lactate level in the course of further tests were progressive 8.4 mmol / l 4.33 mmol / l and 9.39 mmol / l. The fat within the macrocycle decreased by 2.6% (1.8 kg). The lowest value was recorded adipose tissue after a period of preparation of the main (measurement of 22/08/2013) and amounted to 8.2% (4.8 kg). The effect of endurance training in an increase of the ceiling of oxygen and lactate threshold shift towards higher loads. Has reduced the level of adipose tissue, which may be the result of physical exertion, but carried supplementation based on building lean body mass at the expense of body fat. This is a translation of my authorship the original source, which was publicated in an edition of the Scientific Publishing Sophia in 2015 . It aims to increase the accessibility of the text.
    Źródło:
    World Scientific News; 2016, 45, 2; 342-354
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Eating disorders in sport: characteristic of the female athlete triad and relative energy deficiency (RED-S)
    Autorzy:
    Grzebisz, Natalia
    Powiązania:
    https://bibliotekanauki.pl/articles/1189833.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    eating disorders; FEMALE athlete triad (Syndrome); menstruation disorders; bone density; food caloric content; Relative Energy Deficiency in Sport (RED-S)
    Opis:
    Maximizing athletic performance often leads to eating disorders. Women are more vulnerable than men. The interaction of three disorders (nutrition, menstruation, bone decalcification) is defined as the triad of female athletes. The cause of menstrual disorders results from too little supply of energy in the diet. Eating disorders also apply to men. RED-S syndrome refers to a physiological disorder caused by a shortage of energy and involves the release of metabolism disorders, menstrual disorders, musculoskeletal system, reduction of the activity of the immune system, the release of protein synthesis, disorders of the nervous system, poorer recovery and cardiovascular disorders. The etiology of the RED-S syndrome is a result of a relatively low availability of energy, as in the triad. Among the causes of these phenomena we can enumerate psychological, biological and social interactions. To assess the condition ,especially in sport, questionnaires are most commonly used and they include questions about height, weight, exercise time, perception, eating disorders and menstrual cycle (women). The nutritional education is very important in the prevention and treatment of eating disorders. It suggests the need for an athlete to increase the energy intake and / or decrease exercise expenditure to treat the condition. This paper presents an analysis of the current state of knowledge of the etymology, incidence and effects of eating disorders in athletes based on the available literature.
    Źródło:
    World Scientific News; 2016, 48; 199-205
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of physical effort on cortisol level: a review of the latest report
    Autorzy:
    Grzebisz, Natalia
    Powiązania:
    https://bibliotekanauki.pl/articles/1189840.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    effort
    cortisol
    saliva
    overtraining
    biochemical markers
    Opis:
    The results of the current study demonstrate that exercise interferes with the hormonal balance system. The size and direction of these changes depend on the volume and intensity of a physical effort. Biochemical monitoring can support the process of training and gathered data can assist in countering the effects of overtraining. The article presents the latest reports on the character of the changes in cortisol influenced by various types of physical effort, the impact of the training units, time of their execution and the influence of the supply of carbohydrates on the level of this hormone in the body. This work also presents the advantages of saliva analysis, as a reliable material to measure the level of cortisol in athletes.
    Źródło:
    World Scientific News; 2016, 48; 205-210
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of 3 months workout on cardiovascular capacity of a female amateur cross country skier. Case study
    Autorzy:
    Grzebisz, Natalia
    Powiązania:
    https://bibliotekanauki.pl/articles/1179508.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    amateur
    cardiovascular capacity
    cross-country skiing
    oxygen uptake
    Opis:
    The efficiency in cross-country skiing commit considerable physiological challenges posed by the combined upper- and lower-body effort of varying intensity and duration. Extremely important for the effectiveness of the work is the ability to draw energy from the processes of aerobic and anaerobic metabolism maintenance work as low as possible during prolonged exercise. The workout should increase maximal aerobic power and the metabolic potential of the muscles. High-intensity exercise is the most important to initiate this change, while low- and moderate-intensity effort allow appropriate muscle adaptation. Monitoring and evaluation of these physiological changes is mandatory in the process of training, in amateur cross-country skier too. Amateur marathons are becoming increasingly popular. This has been an impulse for analyzing the results obtained by the amateur athlete during the preparatory period. The purpose of this retrospective case study was to describe changes in cardiovascular capacity for three months period of an amateur cross-country skier (age = 39, BMI = 20,9). This study based on analysis of source materials, obtained from conducted individually by the athlete registration process of training, the results from test to refuse and the results of measurements of body composition performed in the laboratory functional studies for three months period (preparation period). The results show inter alia increase in maximal oxygen uptake, lactate threshold shift towards higher loads and decrease body weight. This parameter was significantly lower than the performance in highly qualified competitors, but individual changes between the first measurement and the second one was similar. This review summarizes research on amateur cross-country skier. We have the chance to improve our understanding of the impact of various exercises on the human body by analyzing the results from workout monitoring of endurance athletes.
    Źródło:
    World Scientific News; 2017, 78; 365-375
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in selected neuroendocrine and immunological markers during exercise
    Autorzy:
    Grzebisz, Natalia
    Powiązania:
    https://bibliotekanauki.pl/articles/1192059.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    cortisol
    catecholamines
    estradiol
    exercise
    Opis:
    Physical exercise has multidirectional impact on the mechanisms of neuroendocrine responses. The regular and moderate stimulates the immune mechanism, whereas the interval may lead to increased susceptibility to infections. In recent years there has been increased interest in the issues of the impact of exercise on the efficiency of the immune mechanisms. In practice, such knowledge may be used to prevent infections in athletes and possible states of overtraining. Among the signaling molecules involved in the immune response of the body to exercise mentioned markers hormonal balance (testosterone, cortisol, estradiol, hormones, pituitary and hypothalamus), the metabolism of proteins and amino acids (balance nitrogen, glutamine, increase in creatine kinase). Review of the current state of knowledge about the change of levels of markers of hormonal system during exercise and suggestions direction of future research in the area of these issues have been taken in this paper. This is a translation of a part of my authorship the original source in Polish ,,Zarządzanie zmianami poziomu wybranych markerów neuroendokrynnych oraz immunologicznych podczas wysiłku fizycznego”. The text was published in an edition of the Scientific Publishing Sophia in 2015.
    Źródło:
    World Scientific News; 2016, 50; 239-249
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    ŻYWNOŚĆ FUNKCJONALNA W DIECIE SPORTOWCÓW
    Functional Food in Sportsmen’s Diet
    Autorzy:
    Grzebisz, Natalia
    Powiązania:
    https://bibliotekanauki.pl/articles/440206.pdf
    Data publikacji:
    2017
    Wydawca:
    Akademia Finansów i Biznesu Vistula
    Tematy:
    żywność funkcjonalna
    odżywianie
    diety
    sportowcy
    functional food
    nutrition
    diets
    sportsmen
    Opis:
    Rynek żywności funkcjonalnej dobrze rozpowszechniony i znany jest w Japonii, w której badany jest od lat 80. XX wieku. Współcześnie obejmuje w tym kraju produkcję przemysłową. Mimo wzrostu zainteresowania tym tematem w Stanach Zjednoczonych i Europie, produkty te nadal nie są właściwie identyfikowane w społeczeństwie. Często mylone z żywnością wzbogaconą, suplementami diety czy ekożywnością, stanowią problem w określeniu i świadomym wyborze przez konsumentów. Specjalną grupę stanowią odżywki dla sportowców, wspierające możliwości fizyczne i psychiczne organizmu. Celem artykułu jest przedstawienie działania odżywek wysokobiałkowych, węglowodanowo białkowych oraz białkowych w aspekcie treningu sportowego na podstawie przeglądu dostępnej literatury. Analiza tej wiedzy ma przedstawić implikacje praktyczne i społeczne z zakresu żywności funkcjonalnej w diecie sportowców.
    The market for functional food is well popularised and known in Japan where it has been surveyed since the 1980s. Contemporarily, it comprises in this country the industrial production. Despite the growth in interest in this topic in the United States and Europe, these products still are not properly identified in the society. They are often confused with enriched food, dietary supplements or organic food and pose a problem in determination thereof and conscious selection by consumers. A special group is nutraceuticals for sportsmen supporting the body’s physical and psychical abilities. An aim of the article is to present the action of high-protein, carbohydrate-protein and protein nutraceuticals in the aspect of sport training on the grounds of an overview of the accessible literature. An analysis of this knowledge is to present the practical and social implications in the sphere of functional food in sportsmen’s diet.
    Źródło:
    Kwartalnik Naukowy Uczelni Vistula; 2017, 2(52); 237-246
    2084-4689
    Pojawia się w:
    Kwartalnik Naukowy Uczelni Vistula
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of endurance exercise on the cardiovascular capacity of a male amateur cross country skier. Pilot study
    Autorzy:
    Grzebisz, Natalia
    Piejko, Laura
    Powiązania:
    https://bibliotekanauki.pl/articles/1162860.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    cardiovascular capacity
    cross-country skiing amateur
    marathons
    performance
    Opis:
    The purpose of physical training is to achieve the maximum capacity of the body. These changes are caused by numerous adaptive mechanisms taking place in the circulatory-respiratory, muscular, nervous, hormonal, and immunological systems, as well as in the mass and composition of the body. They are most visible in athletes of endurance disciplines such as cross-country skiing, skiing, long-distance running, roller skiing, triathlon or cycling. These disciplines are characterized by long-term effort and the highest intensity. This applies to both athletes and amateurs. The aim of the study was to assess the impact of physical activity during the period of main preparations on the circulatory and respiratory parameters of amateurs practicing cross-country skiing. This study was a pilot, and show the results of the assessment of the case. The purpose of this retrospective case study was to describe changes in cardiovascular endurance within three months of a male amateur cross country skier. This study was based on the analysis of training registration, ergospirometry test (treadmill test) results and body composition measurements. The results showed an increase in maximum oxygen uptake, a shift of the lactate threshold towards higher loads and a reduction in body weight. This parameter was lower than the performance of highly qualified competitors, but the individual changes between the first measurement and the second were similar. Monitoring and evaluation of these changes are mandatory in the training process, also in amateur sport. It helps to counteract states of fatigue, overtraining and designing pro-health training loads. In addition, they can provide protection for the health of those who make the marathon and ultra- marathon efforts. The popularity of ski marathons is growing. Assessment of participants' exercise capacity can be used to plan training and comparison with professionals.
    Źródło:
    World Scientific News; 2018, 110; 72-83
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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