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2022

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Articles 15331 - 15360 of 23770

Full-Text Articles in Medicine and Health Sciences

The Evolution Of Physical Activity Guidelines, Monika Piatkowska, Ingrid Ružbarská Mar 2022

The Evolution Of Physical Activity Guidelines, Monika Piatkowska, Ingrid Ružbarská

Baltic Journal of Health and Physical Activity

Background: As the scientific support for the impact of physical activity on health has grown, physical activity recommendations for the public have been modified. The aim of the paper is to present the evolution of physical activity guidelines, which were formulated on the basis of existing research evidence, produced by experts, mainly in physiology and medicine. Material/Methods: A systematic literature review was applied. In order to interpret the content of text data, a qualitative content analysis was used. It was supported by the Qualitative Data Analysis (QDA) computer software package NVivo 9. Results: Recognition of hazards of a sedentary lifestyle …

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Respiratory System Parameters And Other Somatic Indicators Of Fitness In Primary School Pupils Exemplified In The Pomeranian Province, Marcin Pasek, Janusz Jerzemowski Mar 2022

Respiratory System Parameters And Other Somatic Indicators Of Fitness In Primary School Pupils Exemplified In The Pomeranian Province, Marcin Pasek, Janusz Jerzemowski

Baltic Journal of Health and Physical Activity

Background: Functional parameters of the respiratory system, the level of fatty tissue and connected with it the weight/growth index constitute important information attesting health condition of the population. The purpose of the study is to compare somatic features and determine the degree of correlation between these features taking into consideration different ecological conditions of the place of residence. Material/Methods: A total of 114 children aged 13 (56 boys) and 12 (58 girls), representatives of the urban and country school population participated in the research. A city school was represented by a group of 30 boys and 27 girls. 26 boys …

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The Level Of Physical Development And Physical Fitness In 6–7-Year-Old Children From School And Pre-School Institutions In Gdansk, Malgorzata Resiak, Aleksandra Resiak Mar 2022

The Level Of Physical Development And Physical Fitness In 6–7-Year-Old Children From School And Pre-School Institutions In Gdansk, Malgorzata Resiak, Aleksandra Resiak

Baltic Journal of Health and Physical Activity

Background: Interest in the development of a 6-7-year-old child derives among other things from the necessity to evaluate child’s readiness to take up a regular educational process. Physical development and physical fitness of the child are components of school maturity. The purpose of the study was to show similarities and differences in the level of physical development and fitness of children attending school and pre-school institutions in the years 2005-2009 in Gdansk. Material/Methods: 15,578 children (8,006 boys and 7,572 girls) from Gdansk were subject to research in the years 2005-2009. The measurements of the height, body mass and 5 skin …

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Simple And Multiple Correlations Between Emotional Intelligence And General Health In Personnel Of Physical Education Offices, Farzad Maleki, Parvaneh Shafie Nia, Abdolhamid Habibi, Esmael Saemi Mar 2022

Simple And Multiple Correlations Between Emotional Intelligence And General Health In Personnel Of Physical Education Offices, Farzad Maleki, Parvaneh Shafie Nia, Abdolhamid Habibi, Esmael Saemi

Baltic Journal of Health and Physical Activity

Background: The purpose of this study was to survey simple and multiple correlations between emotional intelligence and general health in personnel of physical education offices. Material/Methods: The descriptive survey research was adopted for the study. A total of 134 employees completed Schutte and Goldberg and Hiler questionnaires. The emotional intelligence questionnaire includes three subscales: Emotional Appraisal, Emotional Regulation and Utilization of Emotion. The general health questionnaire includes physical complaints, anxiety, social performance disorders and depression. Data was analyzed through Pearson correlation, Stepwise regression, One Way Analysis of Variance and the independent t-test (p ≤ 0/05). Results: The results showed that …

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A Profile Of Joanna Majdan’S Individual Technical-Tactical Preparation, Marek Adam, Joanna Majdan Mar 2022

A Profile Of Joanna Majdan’S Individual Technical-Tactical Preparation, Marek Adam, Joanna Majdan

Baltic Journal of Health and Physical Activity

Background: Since the first women’s judo championships in 1980 research connected with an analysis and an assessment of their preparation has been carried on. Polish and foreign research has attempted to determine the particulars of women’s technicaltactical preparation (PTT). Joanna Majdan was the first Poland’s judo competitor who succeeded in judo in international tournaments. She won a medal in 1984 (3rd place) and took the 5th place in the 1982 World Championships. She won three medals at individual European Championships (1986,1988, 1989) and in 1986 she was the World’s University Champion; during the World University Championships she won bronze medals …

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Muscle Strength And Technical Skills In 17–19-Year-Old Judoists, Marcin Dornowski, Wladyslaw Jagiello, Miroslaw Smaruj Mar 2022

Muscle Strength And Technical Skills In 17–19-Year-Old Judoists, Marcin Dornowski, Wladyslaw Jagiello, Miroslaw Smaruj

Baltic Journal of Health and Physical Activity

Background: The aim of this study was to define the relationships between different kinds of muscle strength manifestations and technical skills (selected throwing techniques) in 17–19-year-old judoists. Material/Methods: Results of measurements taken in 2006–2008 at the Physical Effort Lab in the Gdansk University of Physical Education and Sport were taken under consideration. 30 male judo athletes (17–19-year-old) participated in the study. They all were students of Comprehensive Sports School – with the judo profile and athletes representing clubs from Pomerania and Warmia-Masuria Provinces. An ergometric device “Concept 2 Dyno” was used in the measurements of isotonic strength and strength endurance. …

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Effect Of Training On Morphological, Physiological And Biochemical Variables Of U-19 Soccer Players, Indranil Manna, Gulshan Lal Khanna, Prakash Chandra Dhara Mar 2022

Effect Of Training On Morphological, Physiological And Biochemical Variables Of U-19 Soccer Players, Indranil Manna, Gulshan Lal Khanna, Prakash Chandra Dhara

Baltic Journal of Health and Physical Activity

Background: The purpose of the study was to find out the effect of training on selected morphological, physiological and biochemical variables in soccer players under 19 years of age. Material/Methods: A total of 30 Indian male soccer players under 19 years of age (age: 16.00–18.99 yr) volunteered for this study. The training sessions were divided into 2 phases (i) Preparatory Phase (PP, 8 weeks) and (ii) Competitive Phase (CP, 4 weeks). The training programme consisted of aerobic, anaerobic and skill development, and was completed 4 hrs/day; 5 days/week. Selected morphological, physiological and biochemical variables were measured at zero level (baseline …

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Changes Of Physical Capacity And Soccer-Related Skills In Young Soccer Players Within A One-Year Training Period, Zbigniew Jastrzebski, Wojciech Barnat, Anna Konieczna, Pawel Rompa, Lukasz Radziminski Mar 2022

Changes Of Physical Capacity And Soccer-Related Skills In Young Soccer Players Within A One-Year Training Period, Zbigniew Jastrzebski, Wojciech Barnat, Anna Konieczna, Pawel Rompa, Lukasz Radziminski

Baltic Journal of Health and Physical Activity

Background: The aim of this study was to determine changes in both aerobic and anaerobic physical capacity as well as in sport-specific skills in footballers as a result of the applied training load within a one-year training period. It was assumed that the type of applied training load would have a significant influence on changes in physical capacity indexes and on differences in soccer technical skills. Material/Methods: The tests applied in the research were: Wingate test 30 sec. version for lower extremities (used to assess anaerobic capacity), PWC170 test (used to assess aerobic capacity) and German Football Association test of …

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Kinematics Tactics In Swimming Races On The Example Of The Beijing 2008 Olympic Games And The Rome 2009 World Championships, Patrycja Lipinska Mar 2022

Kinematics Tactics In Swimming Races On The Example Of The Beijing 2008 Olympic Games And The Rome 2009 World Championships, Patrycja Lipinska

Baltic Journal of Health and Physical Activity

Background: Tactics in endurance disciplines is often considered by a analysis of distribution of velocity at a distance. Long-distance swimming (800m, 1500m) is a discipline perfectly located in the above definition. Thus the purpose of the paper is to deepen knowledge on sport tactics based on the distribution of velocity by athletes training swimming at the highest level. Material/Methods: The research material comprised finalists of the swimming race on the 800 meters at the Olympic Games in Beijing (2008) and the World Championships in Rome (2009). Data on the average speed for the entire distance and average speed for the …

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Socio-Psychological Determinants Of Physical Fitness And A Value System Of A Reference Group Based On The Case Of The Polish Handball Federation’S Referees, Piotr Wlodarczyk, Anna Strzalkowska, Artur Ziolkowski Mar 2022

Socio-Psychological Determinants Of Physical Fitness And A Value System Of A Reference Group Based On The Case Of The Polish Handball Federation’S Referees, Piotr Wlodarczyk, Anna Strzalkowska, Artur Ziolkowski

Baltic Journal of Health and Physical Activity

Background: This paper deals with determinants of physical fitness and of a value system of the Polish Handball Federation’s [Polski Związek Piłki Ręcznej] referees (N=61). The reference group theory describing the transfer of a value system within a group of referees constitutes the theoretical foundation of the paper. Material/Methods: The referees’ age ranged from 19 to 59 years (M=30.56 years SD=7.16 years). The measurement was carried out by means of the Scheler Values Scale constructed by Piotr Brzozowski and the Questionnaire of Ethics constructed by Wiesław Baryła and Bogdan Wojciszke. Results: The results of the six basic hierarchies of values …

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The Importance Of Physical Education Teachers In Germany: Theoretical And Educational System Considerations Of The Concept Of Profession, Rolf Schwarz Mar 2022

The Importance Of Physical Education Teachers In Germany: Theoretical And Educational System Considerations Of The Concept Of Profession, Rolf Schwarz

Baltic Journal of Health and Physical Activity

The article examines different aspects of the importance of physical education teachers in Germany. The so called “sociology of professions” that has become the predominant theoretical perspective in sport pedagogy on this matter will be contrasted and completed with empirical data from the German educational policy as well as ideas from education theory. It is highlighted that different values of the participating protagonists in this discussion lead to different types of understanding the importance of physical education teachers, depending on their specific system logic. As a result, the acceptance of an occupational group cannot automatically be equated with its importance. …

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Candidates For The First Year Of Studies At The University Level Institution Of Physical Education And Their Physical Activity, Alicja Nowak-Zaleska Mar 2022

Candidates For The First Year Of Studies At The University Level Institution Of Physical Education And Their Physical Activity, Alicja Nowak-Zaleska

Baltic Journal of Health and Physical Activity

Background: The research aimed at determining whether the youth taking up studies at a university level institution of physical education are physically active and whether there is a connection with the place of permanent residence, the level of parents’ education, economic situation and whether physical activity has anything to do with the choice of the field of studies. Material/Methods: The research involved 1,900 students of full-time studies of the first year at the Academy of Physical Education and Sport in Gdansk. A proprietary questionnaire including standardized multiple choice answers and open questions was used. The information achieved by means of …

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The Range Of Thoracic-Lumbar Segment Of Spine Mobility In Saggital And Transverse Plane Among Young Men Divided Into Three Groups Differing In The Current Commitment To Physical Activity, Monika Orzechowska, Elzbieta Pretkiewicz-Abacjew Mar 2022

The Range Of Thoracic-Lumbar Segment Of Spine Mobility In Saggital And Transverse Plane Among Young Men Divided Into Three Groups Differing In The Current Commitment To Physical Activity, Monika Orzechowska, Elzbieta Pretkiewicz-Abacjew

Baltic Journal of Health and Physical Activity

Background: The aim of the study was to compare the mobility of the thoracic-lumbar segment of the spine and the mobility of its separate segments – the thoracic and lumbar ones in the saggital and transverse plane among young men divided into three groups that differ in the current commitment to physical activity. Material/Methods: 135 young men – students of Physical Education Faculty and of Tourism and Recreation Faculty at the Academy of Physical Education and Sport in Gdansk as well as students from the University of Gdansk aged 21-22 who did not participate actively in any sports discipline were …

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Electromyography Signal Analysis Of The Fencing Lunge By Magda Mroczkiewicz, The Leading World Female Competitor In Foil, Andrzej Suchanowski, Zbigniew Boryszewski, Piotr Pakosz Mar 2022

Electromyography Signal Analysis Of The Fencing Lunge By Magda Mroczkiewicz, The Leading World Female Competitor In Foil, Andrzej Suchanowski, Zbigniew Boryszewski, Piotr Pakosz

Baltic Journal of Health and Physical Activity

Background: Fencing lunge is the most important element of the fencing footwork technique. The aim of this study was to determine the dynamic model of the fencing lunge made by an experienced athlete, based on the EMG record of muscles activity: extensor carpi radialis of the right arm and rectus femoris of lower extremities. Material/Methods: 31-year-old Magda Mroczkiewicz, the team Olympic vice-champion and the world champion in women’s foil, took part in the research during the preparatory camp for the 2011 season. To assess muscle involvement in the movement the electromyography (EMG) method was used. A device manufactured by NORAXON …

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The Influence Of Various Fitness Forms On The Reduction Of The Adipose Tissue, Jakub Grzegorz Adamczyk, Karolina Brzezek-Zukowska, Dariusz Boguszewski Mar 2022

The Influence Of Various Fitness Forms On The Reduction Of The Adipose Tissue, Jakub Grzegorz Adamczyk, Karolina Brzezek-Zukowska, Dariusz Boguszewski

Baltic Journal of Health and Physical Activity

Background: An assessment of the influence of a six-week cycle of fitness activities on the state of the adipose tissue in students and an assessment of the efficiency of chosen fitness exercises (STEP, LOW and TBC) in the reduction of the adipose tissue. Material/Methods: Subjects performed physical exercises of the fitness character within a period of 6 weeks. Exercises took place three times a week. Three types of fitness forms of the same intensity were chosen for the research: STEP, LOW and TBC. The subjects were recommended a change in the hitherto existing way of nutrition. The parameters measured were: …

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Model Characteristics Of Special Fitness Of Pole Vault Jumpers Aged 12-17, Kazimierz Kochanowicz, Mariusz Klimek Mar 2022

Model Characteristics Of Special Fitness Of Pole Vault Jumpers Aged 12-17, Kazimierz Kochanowicz, Mariusz Klimek

Baltic Journal of Health and Physical Activity

Background: The aim of the research was to define model characteristics of special fitness in pole vault jumpers of different age categories. Material/Methods: Experimental research was conducted between 2002 and 2009 involving 78 sportsmen doing pole vault at sports club "Zawisza" Bydgoszcz, "Gwardia" Piła, "Śląsk" Wrocław, pole vault centre Gdańsk, and TS "Olimpia" Poznań. In comprised: an assessment of physical development, testing physical fitness, and recording sports results. Results: An analysis of the contestants' physical development dynamics gave a chance to isolate significant moments of differentiation of somatic build features as a result of the applied training stimulus in pole …

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Differences In Force-Velocity Characteristics Of Upper And Lower Limbs Of Male Kickboxers, Panteleïmon T. Nikolaïdis, Georgios Fragkiadiakis, Vassilios E. Papadopoulos, Nikolaos V. Karydis Mar 2022

Differences In Force-Velocity Characteristics Of Upper And Lower Limbs Of Male Kickboxers, Panteleïmon T. Nikolaïdis, Georgios Fragkiadiakis, Vassilios E. Papadopoulos, Nikolaos V. Karydis

Baltic Journal of Health and Physical Activity

Background: Despite the increasing popularity of kickboxing, few studies have been conducted with regard to the physiology or the biomechanics of this sport. The aim of the present study is to examine the ratios of mechanical characteristics between upper and lower limbs of male kickboxers. Material/Methods: Fourteen male Caucasians, all members of recreational sport clubs, aged 21.77 (5.19) yr [mean (standard deviation)], body height 1.78 (0.067) m, body mass 75.4 (8.9) kg, body fat 14 (5) % and somatotype 3.5-4.9-2.3, performed the Force-velocity (F-v) test for both upper and lower extremities. The F-v test included five supramaximal pedal sprints, each …

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The Effects Of Whey Protein Supplementation On Performance And Hormonal Adaptations Following Resistance Training In Novice Men, Hamid Arazi, Mehdi Hakimi, Kako Hoseini Mar 2022

The Effects Of Whey Protein Supplementation On Performance And Hormonal Adaptations Following Resistance Training In Novice Men, Hamid Arazi, Mehdi Hakimi, Kako Hoseini

Baltic Journal of Health and Physical Activity

Background: The purpose of this study was to determine the effects of whey protein supplementation on performance and hormonal changes during an 8-week resistance training program in novice weight trained men. Material/Methods: Forty recreational weight trained men were randomly divided into a whey protein supplementation (WP) group (n=20), and a placebo (PL) group (n=20). Each group was given either whey protein or a placebo in a double-blind manner to be taken orally for eight weeks (1.8g/kg/day). WP and PL groups performed the same weight training program 3 days, each week for 8 weeks. The training consisted of 3 sets of …

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Reconsidering On The Early Types Of Football, Yiannis Giossos, Aristomenis Sotiropoulos, Athanasios Souglis, Georgia Dafopoulou Mar 2022

Reconsidering On The Early Types Of Football, Yiannis Giossos, Aristomenis Sotiropoulos, Athanasios Souglis, Georgia Dafopoulou

Baltic Journal of Health and Physical Activity

According to certain assumptions, physical activities all over the world from the antiquity until the 19th century can be considered as the historical origins of modern football (soccer). The present study examines whether and to what extent those assumptions hold true. In order to criticize these assumptions, a discussion whether ancient and pre-modern activities can be considered as sports is presented. Then, the morphological movement similarity that those activities have with modern football is examined. Finally, a discussion about to what extent the history of these activities is characterized by a continuous developing progress is undertaken. According to our argument …

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Positive Personality Traits As An Element Of Creating The Image Of A Physical Education Teacher, Miroslaw Zalech Mar 2022

Positive Personality Traits As An Element Of Creating The Image Of A Physical Education Teacher, Miroslaw Zalech

Baltic Journal of Health and Physical Activity

Background: To create a positive image among students, a Physical Education teacher should get to know their expectations and visions. The aim of the work was to identify the most significant positive traits which a Physical Education teacher should possess and to identify relations between variables determining students’ choices. Material/Methods: The results obtained from 744 students (471 females and 273 males) from two uppersecondary schools (1st school n=393; 2nd school n=351) were analysed. The research used a diagnostic poll method – questionnaires. Respondents were asked a half-open question and were supposed to indicate three most significant positive features which should …

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Differentiation Of The Body Composition In The Polish National Team Pentathletes, Wladyslaw Jagiello, Roman M. Kalina, Marina Jagiello Mar 2022

Differentiation Of The Body Composition In The Polish National Team Pentathletes, Wladyslaw Jagiello, Roman M. Kalina, Marina Jagiello

Baltic Journal of Health and Physical Activity

Background: Contemporary anthropological research confirms the fact that body composition is one of the elements differentiating athletes from persons not practising sport systematically. The differences in body composition – in many cases even extreme – also regard athletes in the context of the sports discipline they practise. The aim of the study was to determine the properties of body composition of the Polish national team pentathletes in comparison to persons of the same population not practising competitive sport. Material/Methods: The research comprised members of the Polish national team in modern pentathlon (n=10). The subjects were 18-23 (20±1.5) years of age …

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Selected Health Attitudes (Physical Activity And Nutrition) Of 18-Year-Old Girls Graduating From Secondary Schools Of Tricity, Anna Walentukiewicz, Anna Lysak, Barbara Wilk Mar 2022

Selected Health Attitudes (Physical Activity And Nutrition) Of 18-Year-Old Girls Graduating From Secondary Schools Of Tricity, Anna Walentukiewicz, Anna Lysak, Barbara Wilk

Baltic Journal of Health and Physical Activity

Background: Shaping proper health attitudes in young people has an essential meaning for their health in the future. The age of youth is a period when pro-health attitudes set in and behaviours risky for health appear. Monitoring them is the starting point for planning prophylaxis programmes realised by schools. Health attitudes of girls completing their education in secondary schools was the subject of this study, and the main goal was to assess dependencies between the degree of intensity of health attitudes and nutritional behaviours, the level of physical activity and the value of the body mass index (BMI). Material/Methods: In …

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Lactate Threshold Changes In Soccer Players During The Preparation Period, Zbigniew Jastrzebski, Robert Dargiewicz, Wojciech Ignatiuk, Lukasz Radziminski, Pawel Rompa, Anna Konieczna Mar 2022

Lactate Threshold Changes In Soccer Players During The Preparation Period, Zbigniew Jastrzebski, Robert Dargiewicz, Wojciech Ignatiuk, Lukasz Radziminski, Pawel Rompa, Anna Konieczna

Baltic Journal of Health and Physical Activity

Background: The aim of the study was to assess the anaerobic threshold (lactate threshold LT) changes during winter and summer preparation period in soccer premier league and first division players. It was assumed that the index value varies depending on the stage of a one-year training cycle. Material/Methods: Tests were conducted on the premier league and first division soccer players. Physical capacity tests were carried out at the beginning and at the end of the winter and summer preparation period. The tests covered 3 years: 2008 – 2010. Subjects performed an incremental running test according to Jastrzębski’s method. The most …

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The Contest Effectiveness Of The Men’S National Judo Team Of Japan And Character Of Their Technical-Tactical Preparation During The World Judo Championships 2010, Marek Adam, Slawomir Tyszkowski, Miroslaw Smaruj Mar 2022

The Contest Effectiveness Of The Men’S National Judo Team Of Japan And Character Of Their Technical-Tactical Preparation During The World Judo Championships 2010, Marek Adam, Slawomir Tyszkowski, Miroslaw Smaruj

Baltic Journal of Health and Physical Activity

Background: The aim of our research was to determine the contest effectiveness of Japanese judo competitors and to state the quantitative an qualitative indices of the tactical-technical preparation (PTT). The values of these indices may be used for controlling the process of special preparation. Materials and methods: Medal classification of the national teams from all Olympic Games and World Championships, and contest effectiveness of the national teams during 2007–2010 were determined. The analysis of PTT indices of 16 Japanese competitors was carried out. They fought 78 contests during the World Championships 2010. Predominant techniques were described. The selected indices have …

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Multiple Influences Affecting The Women’S Choice Of A Fitness Club, Anna Szumilewicz Mar 2022

Multiple Influences Affecting The Women’S Choice Of A Fitness Club, Anna Szumilewicz

Baltic Journal of Health and Physical Activity

Background: The objective of this study was to find out the most important influences affecting the women’s choice of a fitness club and to show that a fitness instructor is one of the significant factors in this decision making process. Comprehensive understanding by instructors of the women’s decision making process will help in improving the women’s satisfaction level, hence their regular participation in fitness activities. Materials and methods: Two different target groups connected with the activity of fitness clubs were studied. In the first one there were 339 female fitness class participants at the age of 13 to 76. There …

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Body Mass Index In Female First-Year Students Of Full-Time Studies At The Academy Of Physical Education And Sport In Gdansk: Reality, Self-Evaluation, Dreams, Ewa Wojtowicz Mar 2022

Body Mass Index In Female First-Year Students Of Full-Time Studies At The Academy Of Physical Education And Sport In Gdansk: Reality, Self-Evaluation, Dreams, Ewa Wojtowicz

Baltic Journal of Health and Physical Activity

Background: An image on one’s body is an important component of one’s mental welfare. Scientific reports suggest that girls and women have a tendency to evaluate themselves through the prism of physical appearance and gender expectations influenced by cultural and unrealistic standards of beauty (slim, very lean, boy-like silhouette). The purpose of this study was to find out the opinions of young, healthy and physically active women about their bodies (BMI self-evaluation) and the ones connected with their dreams (the most satisfactory BMI) and reality (anthropometric measurements). Materials and methods: The statistical analysis of the data was based on anthropometric …

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Evaluation Of Global Physical Activity Questionnaire (Gpaq) Among Healthy And Obese Health Professionals In Central India, Abhinav Singh, Bharathi Purohit Mar 2022

Evaluation Of Global Physical Activity Questionnaire (Gpaq) Among Healthy And Obese Health Professionals In Central India, Abhinav Singh, Bharathi Purohit

Baltic Journal of Health and Physical Activity

Background: To assess physical activity using the Global Physical Activity Questionnaire (GPAQ) among healthy, overweight and obese Indian health professionals. Materials and methods: The Global Physical Activity Questionnaire (GPAQ) was used to assess physical activity among 324 dental health care professionals (third-year students, final-year students, interns, and faculty). Metabolic Equivalents (MET) were used to express the intensity of physical activities, and are also used for the analysis of GPAQ data. The analysis of Variance (ANOVA) was used to compare the mean physical activity scores among dental health care professionals. The Chi Square test was used to compare categorical risk indicators …

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The Impact Of 32 Days’ Exposure To Hypobaric Hypoxia On Physiological Cost Of Sub-Maximal Work Performed At The Sea Level, Sylwester Kujach, Tomasz Grzywacz, Ewa Ziemann, Robert Szymczak, Marcin Luszczyk, Radoslaw Laskowski Mar 2022

The Impact Of 32 Days’ Exposure To Hypobaric Hypoxia On Physiological Cost Of Sub-Maximal Work Performed At The Sea Level, Sylwester Kujach, Tomasz Grzywacz, Ewa Ziemann, Robert Szymczak, Marcin Luszczyk, Radoslaw Laskowski

Baltic Journal of Health and Physical Activity

Background: Many papers showed that long-lasting exposure to hypobaric hypoxia changed the metabolic cost of work and substrate contribution, elevating exercise energy expenditure and carbohydrates utilization. Only few of them have shown how long this adaptive changes are maintained. The aim of the study was to assess the impact of prolonged sojourn at high altitude on the physiological cost of sub-maximal work performed at the sea level. Materials and methods: Eight members of two high altitude expeditions (Lenin Peak 7,134 m a.s.l. and Somoni Peak 7,495 m a.s.l.), 7 males and 1 female, mean age 26 (±4.1) years, volunteered for …

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Training Load Structure Of Young Soccer Players In A Typical Training Microcycle During The Competitive And The Transition Period, Andrzej Glowacki, Wojciech Ignatiuk, Anna Konieczna, Zbigniew Jastrzebski Mar 2022

Training Load Structure Of Young Soccer Players In A Typical Training Microcycle During The Competitive And The Transition Period, Andrzej Glowacki, Wojciech Ignatiuk, Anna Konieczna, Zbigniew Jastrzebski

Baltic Journal of Health and Physical Activity

Background: The aims of this study were: (1) to characterize the training load structure and the applied training means in typical microcycles of the transition period and the competitive season administered to young soccer players, and (2) to present exemplary training units of the competitive and the transition periods. Materials and methods: 20 young soccer players (12–13 years old) took part in the study. Jastrzębski’s method based on Sozański and Śledziewski was applied to register and monitor the training load. Data was analyzed regarding the information range (general or specific drills) as well as energetic zones (aerobic, mixed aerobic-anaerobic, anaerobic …

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Muscle Strength And Power Of Elite Female And Male Swimmers, Krzysztof Busko, Jan Gajewski Mar 2022

Muscle Strength And Power Of Elite Female And Male Swimmers, Krzysztof Busko, Jan Gajewski

Baltic Journal of Health and Physical Activity

Background: The aim of the study was to examine gender differences in the maximal power and height of rise of the body mass centre, measured in ACMJ (akimbo counter movement jump), BCMJ (bounce counter movement jump) and CMJ (counter movement jump) and maximal muscle torque in elite swimmers who have a similar training load during the season. Material/Methods: Eight male and eight female elite swimmers competing at the international level took part in the study. The maximal power and height of rise of the body mass center were measured at ACMJ, BCMJ and CMJ jumps performed on a dynamometric platform. …

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