This study examines the effect of stratification on graduation at Western Kentucky University, a master’s level regional Division I Football Bowl Subdivision university in the South. The study begins by examining the historical basis of stratification in sport and higher education, and hypothesizes that becoming an intercollegiate athlete can eliminate the effect of being African American on graduation, which is generally negative and can be seen in lower graduation rates for African Americans compared to other populations. Using a data set that included 18,966 students, logistic regression was used to assess: 1) the effect of race on sport profile and 2) the effect of race and athletic status on graduation, controlling for sex, high school GPA, pre-collegiate standardized test scores, and department of academic major. Results indicate that African American students have 771 percent greater odds of participating in high profile sports compared to low profile sports, which supports the literature that sport is stratified in such a way that African Americans are more likely to bear a disproportionate load in revenue-producing sports. Even so, when interacting sport profile, athlete, and race, the penalty on graduation for being African American is eliminated, and African American athletes have the same odds of graduating as white non-athletes.

O exercício físico regular tem auxiliado no controle de doenças crônicas e na melhoria da qualidade de vida da população em geral. Por outro lado, a prática esportiva de elite pode mostrar-se nociva para nosso organismo uma vez que ainda é desconhecido o real limite entre os efeitos benéficos e deletérios do exercício sobre o organismo de atletas profissionais. O aumento no consumo de O2 induz aumento na produção de ERO, que dependendo do estado redox dos atletas, pode induzir a diferentes níveis de estresse oxidativo. O objetivo do presente estudo foi estabelecer um perfil bioquímico em diferentes condições de esforço em atletas profissionais em treinamento. Foram analisadas amostras de sangue e urina de atletas durante sessões de treinamento de diferentes intensidades. A análise dos resultados aponta que sessões de esforço de moderada intensidade e de longa duração apresentaram alterações bioquímicas de marcadores enzimáticos mais intensos quando comparadas com o de esforço intermitente. Mostraram também que as alterações bioquímicas apresentadas podem estar sujeitas a variáveis como temperatura, umidade, grau de hidratação e nutrição. Os resultados apontam que o controle laboratorial de marcadores de lesão e de catabolismo pode contribuir para diagnosticar quadros de comprometimento metabólico e conseqüentemente no rendimento atlético. / The regular exercise has helped in controlling chronic diseases and improves quality of life. Moreover, the practice of elite sport may be harmful to athletes as if unaware of the actual boundary between the deleterious and beneficial effects of exercise on professional athletes. The increase in the consumption of O2 leads to increased production of ROS, which depending on the redox status of athletes, may lead to different levels of oxidative stress. The aim of this study was to establish a biochemical profile in different conditions of effort in professional athletes in training. samples of blood and urine of athletes during training sessions of different intensities were analyzed. Results suggest that session of moderate intensity exercise effort and long-term made more intense biochemical changes when compared to intermittent effort, showing that biochemical changes may be subject to variables such as temperature, humidity, degree of hydration and nutrition. The results show that the control laboratory markers of injury and catabolism may contribute to diagnose metabolic impairment frames and therefore in athletic performance.

O exercício físico regular tem auxiliado no controle de doenças crônicas e na melhoria da qualidade de vida da população em geral. Por outro lado, a prática esportiva de elite pode mostrar-se nociva para nosso organismo uma vez que ainda é desconhecido o real limite entre os efeitos benéficos e deletérios do exercício sobre o organismo de atletas profissionais. O aumento no consumo de O2 induz aumento na produção de ERO, que dependendo do estado redox dos atletas, pode induzir a diferentes níveis de estresse oxidativo. O objetivo do presente estudo foi estabelecer um perfil bioquímico em diferentes condições de esforço em atletas profissionais em treinamento. Foram analisadas amostras de sangue e urina de atletas durante sessões de treinamento de diferentes intensidades. A análise dos resultados aponta que sessões de esforço de moderada intensidade e de longa duração apresentaram alterações bioquímicas de marcadores enzimáticos mais intensos quando comparadas com o de esforço intermitente. Mostraram também que as alterações bioquímicas apresentadas podem estar sujeitas a variáveis como temperatura, umidade, grau de hidratação e nutrição. Os resultados apontam que o controle laboratorial de marcadores de lesão e de catabolismo pode contribuir para diagnosticar quadros de comprometimento metabólico e conseqüentemente no rendimento atlético. / The regular exercise has helped in controlling chronic diseases and improves quality of life. Moreover, the practice of elite sport may be harmful to athletes as if unaware of the actual boundary between the deleterious and beneficial effects of exercise on professional athletes. The increase in the consumption of O2 leads to increased production of ROS, which depending on the redox status of athletes, may lead to different levels of oxidative stress. The aim of this study was to establish a biochemical profile in different conditions of effort in professional athletes in training. samples of blood and urine of athletes during training sessions of different intensities were analyzed. Results suggest that session of moderate intensity exercise effort and long-term made more intense biochemical changes when compared to intermittent effort, showing that biochemical changes may be subject to variables such as temperature, humidity, degree of hydration and nutrition. The results show that the control laboratory markers of injury and catabolism may contribute to diagnose metabolic impairment frames and therefore in athletic performance.

O exercício físico regular tem auxiliado no controle de doenças crônicas e na melhoria da qualidade de vida da população em geral. Por outro lado, a prática esportiva de elite pode mostrar-se nociva para nosso organismo uma vez que ainda é desconhecido o real limite entre os efeitos benéficos e deletérios do exercício sobre o organismo de atletas profissionais. O aumento no consumo de O2 induz aumento na produção de ERO, que dependendo do estado redox dos atletas, pode induzir a diferentes níveis de estresse oxidativo. O objetivo do presente estudo foi estabelecer um perfil bioquímico em diferentes condições de esforço em atletas profissionais em treinamento. Foram analisadas amostras de sangue e urina de atletas durante sessões de treinamento de diferentes intensidades. A análise dos resultados aponta que sessões de esforço de moderada intensidade e de longa duração apresentaram alterações bioquímicas de marcadores enzimáticos mais intensos quando comparadas com o de esforço intermitente. Mostraram também que as alterações bioquímicas apresentadas podem estar sujeitas a variáveis como temperatura, umidade, grau de hidratação e nutrição. Os resultados apontam que o controle laboratorial de marcadores de lesão e de catabolismo pode contribuir para diagnosticar quadros de comprometimento metabólico e conseqüentemente no rendimento atlético. / The regular exercise has helped in controlling chronic diseases and improves quality of life. Moreover, the practice of elite sport may be harmful to athletes as if unaware of the actual boundary between the deleterious and beneficial effects of exercise on professional athletes. The increase in the consumption of O2 leads to increased production of ROS, which depending on the redox status of athletes, may lead to different levels of oxidative stress. The aim of this study was to establish a biochemical profile in different conditions of effort in professional athletes in training. samples of blood and urine of athletes during training sessions of different intensities were analyzed. Results suggest that session of moderate intensity exercise effort and long-term made more intense biochemical changes when compared to intermittent effort, showing that biochemical changes may be subject to variables such as temperature, humidity, degree of hydration and nutrition. The results show that the control laboratory markers of injury and catabolism may contribute to diagnose metabolic impairment frames and therefore in athletic performance.

Submitted by Anelise Milech (anelisemilech@gmail.com) on 2016-09-13T13:41:10Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) VICTOR SILVEIRA COSWIG.pdf: 1258754 bytes, checksum: bab8210dcf8cd4ffd481bc52a0c9e491 (MD5) / Approved for entry into archive by Aline Batista (alinehb.ufpel@gmail.com) on 2016-09-13T14:11:20Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) VICTOR SILVEIRA COSWIG.pdf: 1258754 bytes, checksum: bab8210dcf8cd4ffd481bc52a0c9e491 (MD5) / Approved for entry into archive by Aline Batista (alinehb.ufpel@gmail.com) on 2016-09-13T14:13:33Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) VICTOR SILVEIRA COSWIG.pdf: 1258754 bytes, checksum: bab8210dcf8cd4ffd481bc52a0c9e491 (MD5) / Made available in DSpace on 2016-09-13T14:14:13Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) VICTOR SILVEIRA COSWIG.pdf: 1258754 bytes, checksum: bab8210dcf8cd4ffd481bc52a0c9e491 (MD5) Previous issue date: 2014-02-25 / Sem bolsa / Dentre as diferentes modalidades de combate, o Mixed Martial Arts (MMA) tem crescido rapidamente em âmbito internacional. Caracterizado por incorporar estilos de luta derivados de outras artes marciais, envolve técnicas de agarre em pé, agarre no chão, técnicas de percussão em pé e exige nível de condicionamento físico elevado. De modo frequente, a prática de modalidades esportivas de combate envolve a própria luta como método de treinamento físico e técnico e parece apresentar alta relevância, visto que é frequente o estudo de lutas simuladas em diversas modalidades de combate. Com isto, torna-se relevante o conhecimento das características destas práticas de treinamento, visto que, já foi evidenciado que lutas simuladas apresentam respostas diferenciadas de combates em eventos oficiais. Neste sentido, a relação entre esforço e pausa das lutas tem sido fortemente sugerida como método para prescrição de treinamento, o que aponta a necessidade do conhecimento destas variáveis em lutas simuladas. Adicionalmente, o conhecimento do estresse físico, orgânico e percebido dos atletas, a partir destes estímulos, se torna necessário para melhor adequação do processo de planejamento e organização. Deste modo, a redução dos fatores empíricos de prescrição pode promover maior previsibilidade das adaptações e reduzir os riscos de overtraining, já que esta realidade deve ser fortemente considerada no MMA. Assim, considerando que grande parte do entendimento acerca do MMA é advinda das modalidades que o compõem, torna-se relevante a descrição das demandas orgânicas, físicas e psicométricas originadas especificamente da simulação de lutas de MMA e as relações destes com a temporalidade das lutas, bem como a caracterização dos processos recuperativos de indicadores do dano muscular advindo desta prática. / Among the different types of fighting, Mixed Martial Arts (MMA) has grown rapidly in the international scenario. Characterized by incorporating fighting styles derived from other martial arts techniques involves standing grappling, groundwork grappling percussion techniques and require high fitness level. So often, the practice of sports of combat involves his own struggle as a method of physical and technical training and introduce high relevance, since it is often the study of simulated fights in various modes of combat. With this, it becomes relevant knowledge of the characteristics of these training practices, as has been evidenced that simulated fights have differentiated responses of fighting in official events. In this sense, the relationship between effort and pause of the fighting has been strongly suggested as a method for training prescription, what points the need of knowledge of these variables in simulated fights. Additionally, the knowledge of physical stress, organic and noticed the athletes, from these stimuli, it is necessary to better matching of the planning process and organization. Thus, the reduction of empirical factors of prescription can promote greater predictability of adaptations and reduce risks of overtraining, as this reality should be strongly considered in MMA. Thus, whereas much of the understanding of MMA is from the modalities comprising it, becomes relevant to description of organic, physical demands and psychometric originated specifically MMA fights simulation and the relationships of these with the temporality of the fights, as well as the characterization of the recovery processes of muscle damage indicators from this practice.

Concussion rates and head injuries for football players have been on the rise and there is a need for further research in football to increase skills and decrease injuries. Behavioral skills training has been proven to be effective in teaching a wide variety of skills but has yet to be studied in the sports setting. We evaluated behavioral skills training to teach safer tackling techniques among six participants from a local Pop Warner football team. Results show safer tackling techniques increased substantially during practice and generalized to games among all six participants.

Cette thèse a pour objet à partir d'une approche sociologique d'évaluer qualitativement la cohésion globale d'une équipe de football amateur en tenant compte des principaux acteurs que sont les joueurs, l'entraîneur et le président du club d'une part et d'analyser les liens entre la cohésion de groupe et les résultats sportifs d'autre part. La question est donc de savoir dans quelle mesure les interactions entre les membres d'une équipe de football amateur tant sur le terrain de jeu qu'en dehors peuvent-elles refléter le niveau de cohésion globale de l'organisation .Il s'agit d'expliquer à partir de l'analyse stratégique et systémique de Crozier et Friedberg (1977), comment ces acteurs aux objectifs personnels différents, voire même opposés réussissent-ils à coopérer pour atteindre l'objectif sportif fixé par le groupe. C'est en d'autres termes chercher à comprendre comment malgré leurs ressources et contraintes inégales, les diverses stratégies d'acteurs, les membres d'une équipe arrivent-ils à collaborer. Trois équipes seniors des clubs du Rhône ont été retenues dans cette étude : il s'agit de Grigny FC, l'AS Bron Grand Lyon et l'US Millery Vourles. Les principaux résultats de ces enquêtes montrent que : l'entraîneur et surtout le président peuvent autant influencer la cohésion d'équipe que les joueurs ; que les résultats sportifs d'une équipe de football amateur sont fonction non seulement du degré de cohésion globale de ses membres, mais aussi de la prise en compte des aléas sportifs ; que la notion d'amateurisme varie d'un club à un autre en fonction de certains paramètres parmi lesquels la distribution ou non de l'argent aux joueurs occupe une place de choix. Ces études concluent donc que la cohésion globale des membres d'une équipe de football amateur peut s'évaluer qualitativement et influence effectivement ses résultats sportifs / This thesis aims from a sociological approach to assess qualitatively the overall cohesion of a team of amateur football taking into account the main actors are the players, the coach and the club president on the one hand and analyze the relationship between group cohesion and sports scores on the other. The question is to what extent the interactions between members of a team of amateur football as the playground and outside can they reflect the level of overall cohesion of the organization. This is explained from the strategic and systemic analysis of Crozier and Friedberg (1977), how these actors at different personal goals, even opposite successful are to cooperate to achieve the goal set by the sports group. It is in other words trying to understand how despite their resources, unequal stresses, and various stakeholder strategies, the team members come to work. Three senior teams clubs of Rhone were included in this study: it is Grigny Football Club, the Athletic Association of Greater Lyon Bron and Union Sportive of Millery Vourles. The main results of these investigations show that: the coach and especially the president can all influence teams cohesion as players; the sports results of a team of amateur football depends not only on the degree of overall cohesion of its members, but also taking into account the vagaries of sport; These studies conclude that the overall cohesion of the members of a team of amateur football can be evaluated qualitatively and effectively influences its sports results

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In our work we analyzed the performance of the members 14-15 years old of the sport centres (SpS) 2014 . We compared the members of SpS with school population from the study of Pávek (1977). The basic motoric tests were 50 m run, standing long jump, the medicine ball throw 2kg and the 12 minute run. The memberes of SpS 2014 were significantly better than school population from the study of Pávek (1977). We compared the meberes of SpS with the athletes of ČSTV (1982). The athletes of ČSTV (1982) were significantly better than the meberes of SpS 2014 in motoric tests: standing long jump and 12 minute run. Furthermore, we found that general physical performance of sprinters specifically reflected in their athletic performance. Keywords athletics, sports centers, testing, general physical performance, athletic performance, identification of talent