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Training of elite soccer players according to their positional roles / Training of elite soccer players according to their positional rolesSalvo, Valter Di January 2001 (has links)
No description available.
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Técnicas de avaliação de níveis metabólicos-o conceito de limiar anaeróbio ventilatório e os protocolos de determinação : compatibilidade das noções de cinética de O2 e estado estacionário com o uso de provas da carga progressivaRasoilo, João Nuno Seabra da Costa January 2001 (has links)
No description available.
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The role of parents in early sport specialization : a grounded theory of soccer parentsOzyurtcu, Tolga 07 July 2011 (has links)
Sport specialization is defined as a year-round, highly structured commitment to training for and competing in a single sport. Children who begin the process of specialization at an early age are potentially susceptible to several undesirable outcomes, including an increased risk of orthopedic injury, psychological burnout, and limited social development. Despite these inherent risks, the practice of early sport specialization has become prevalent in the United States. This study uses a grounded theory methodology to examine the role of parents in early sport specialization practices. Drawing on in-depth interviews with twelve parents of adolescent soccer players, the study finds that parents are drawn to early sport specialization because of multiple perceived benefits for their children. The two most prominent of these benefits are positive socialization and the use of the sport as a lever for higher education. Parents act on limited information when making decisions regarding early sport specialization, relying on advice and information from coaches, soccer clubs, and other parents to make their decisions. In this manner, the parents themselves are socialized into the culture of early specialized sport, adopting the established values and beliefs of the practice, and furthering the advancement of the practice of early specialization in youth sport. / text
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The effects of cross-country training on male high school runnersPlank, David M. January 1999 (has links)
The purpose of this study is to determine physiological adaptations in trained male high-school runners before and after high-intensity training associated with a crosscountry season. Testing occurred on five separate occasions at the Human Performance Laboratory. After the first familiarization session, the subjects performed a treadmill graded exercise test in which maximal oxygen consumption and ventilatory threshold was measured. Submaximal oxygen consumption and blood lactate concentration at three running speeds (10, 12, and 14 km'hf 1 at 0% grade) was determined in a second testing session. After the cross-country season (13 weeks) the subjects returned to the laboratory and performed the same graded exercise and submaximal exercise tests. VO2max significantly increased, VT tended to increased, however, not significant. There were no changes in submaximal economy or lactate except for significant decline in blood lactate at 14 km hf' . Although these variables are associated with endurance performance in adults, there is very little information available regarding the effects of endurance training on these variables in the adolescent age group. Knowing the extent of the adaptations will help to optimize the training programs for age group. / School of Physical Education
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Kinetics and kinematics of strength and power developmentHarris, Nigel January 2008 (has links)
The use of the squat exercise (and its derivatives) in gym-based settings is widespread owing to perceived functional performance enhancing effects. In particular, there has been preponderance amongst practitioners with loads that maximise power outputs (Pmax) based on a perception that mechanical peak power is directly related to explosive functional performance such as sprinting ability. The optimal muscular quality associated with squats remains elusive though, mostly due to methodological limitations in the research. The four experimental studies in this thesis sought to quantify the kinetic and kinematic outputs of a machine squat-jump and their relationship to sprinting ability, both descriptively and across a training period. First, an analysis of the kinetic and kinematic outputs of a machine squat-jump across a spectrum of loads was performed, with an emphasis on power output. Then, the relationship of these outputs with sprint ability was investigated. Correlations do not imply cause and effect, thus a training intervention was undertaken to quantify the relationships of the change in performance measures over time, and allow a comparison of different training protocols. Specifically, one training group was prescribed training loads based on individually determined peak power outputs, and the other based on traditional maximal strength training loads. Because the intention of this thesis was to enhance our knowledge of best strength training practice for elite sporting performance, highly trained athletes were specifically chosen as subjects, cognizant of the population specific nature of training adaptation. In study one, it was determined that the point on the power-load spectrum where peak and mean power occurred in the machine squat-jump was 21.6 ± 7.1 %1RM (mean ± SD) and 39.0 ± 8.6 %1RM respectively although there was considerable individual variation in these points. A broad plateau in power outputs was evident for most subjects with at most a 9.9% (90% confidence limits ±2.4%) difference in peak or means power at loads up to 20 %1RM either side of the peak. Studies two and three established that, of the multiple kinetic and kinematic measures investigated, only 1RM strength, work and impulse (all relative to body mass) provided any indication of useful kinetic / kinematic outputs that were potentially worthwhile developing for enhancing sprint performance, albeit with only moderate correlations (r = ~ -0.3). Additionally, the intercorrelations between maximal strength and explosive kinetic and kinematic measures were only moderate (r = ~0.3), casting doubt on the common practice of pursuing high 1RM strength with the intention of improving explosive muscle performance. The training study provided evidence that training at the load that maximised individual peak power output was no more effective for improving sprint ability than training at heavy loads and the changes in kinetic and kinematic outputs were not usefully related to changes in sprint ability.
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Treino de imagética com motociclistasPassos, Pedro José Madaleno January 1999 (has links)
No description available.
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A utilização da imagética no desempenho motor em treino desportivoRamos, João Paulo Duarte January 1999 (has links)
No description available.
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Relação entre as variáveis técnico-tácticas e a classificação final-um estudo na liga Portuguesa de BasquetebolAmorim, José António Gonçalves January 1999 (has links)
No description available.
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Relação entre indicadores de eficácia e a classificação final de equipas de andebol-um estudo no Campeonato Nacional da 1 Divisão MasculinaMagalhães, Francisco José Teixeira André January 1999 (has links)
No description available.
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Treino de força em andebol-um estudo exploratório sobre o planeamento e periodização da força em equipas da 1 divisão nacionalFreitas, Rolando Jorge Costa de January 1999 (has links)
No description available.
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