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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Efeito do pré-condicionamento isquêmico em sprints repetidos / The effect of ischemic preconditioning in repeated sprints

Salvador, Amadeo Félix 06 August 2015 (has links)
Made available in DSpace on 2016-12-06T17:07:05Z (GMT). No. of bitstreams: 1 Amadeo Salvador.pdf: 110618 bytes, checksum: 6f34d5dc9709e800b89a028ee6734d40 (MD5) Previous issue date: 2015-08-06 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / Intermittent sports require maximum effort interspersed with short periods of recovery that are usually called repeated sprints (SR). In order to improve the SR on competition day, various methods are used, however a method that research is growing is the ischemic preconditioning (IPC). The PCI is the intermittent application of a pressure value in the proximal portion of a preset limb. The aim of the study was to evaluate the effect of PCI on SR performance and related physiological variables. Seven female players (26 ± 3 years, 65.9 ± 8 kg and 161 ± 4 cm) and six male players (21 ± 3 years 77.8 ± 6 kg and 179 ± 7 cm) of sevens rugby conducted randomly four test SR being two preceded by PCI and two by control condition (CTRL). The SR were analyzed in pairs being the end of each pair collected the rating of perceived exertion (PSE). Treatment with PCI showed substantial improvement in the average time of SR (CTRL: 3.31 × / ÷ 2.1 and PCI: 3.25 × / ÷ 2.2 s, p = 0.001) and in the best sprint (CTRL: 3.20 × / ÷ 3.1 and PCI: 3.12 × / ÷ 3.3 s, p = 0.009) for men. However these same variables were not significantly different in women (average time: CTRL: 3.76 × / ÷ 1.4 and PCI: 3.73 × / ÷ 1.5 s, p = 0.15) and (best sprint: CTRL: 3.62 × / ÷ 2.1 to PCI: 3.66 × / ÷ 2.1 s, p = 0.24). When controlled for the initial PSE, PSE also demonstrated significant difference for men (CTRL: 15 ± 0.7 and PCI: 13.9 ± 0.7, p = 0.04) and did not show for women (CTRL: 14.4 and PCI ± 0.7: 13.8 ± 0.7, p = 0.25). Therefore, the PCI is a beneficial strategy for improving performance in SR test in men, but further studies are needed to better understand the PCI treatment relationship in men and women. / Esportes intermitentes requerem esforços máximos intercalados com curtos períodos de recuperação que são geralmente denominados sprints repetidos (SR). Com intuito de melhorar o SR no dia da competição, vários métodos são utilizados, entretanto um método em crescente investigação é o précondicionamento isquêmico (PCI). O PCI consiste na aplicação intermitente de um valor de pressão na porção proximal de um membro pré-definido. O objetivo do estudo foi avaliar o efeito do PCI no desempenho do SR e variáveis fisiológicas relacionadas. Sete jogadoras (26 ± 3 anos, 65,9 ± 8 kg e 161 ± 4 cm) e seis jogadores (21 ± 3 anos 77,8 ± 6 kg e 179 ± 7 cm) de rugby sevens realizaram de forma randomizada quatro testes de SR sendo dois precedidos de PCI e dois em condição controle (CTRL). Os SR foram analisados em pares sendo ao fim de cada par coletada a percepção subjetiva de esforço (PSE). O tratamento com PCI apresentou melhora substancial no tempo médio do SR (CTRL: 3,31 ×/÷ 2,1 s e PCI: 3.25 ×/÷ 2.2 s, p=0.001) e no melhor sprint (CTRL: 3,20 ×/÷ 3.1 s e PCI: 3,12 ×/÷ 3,3 s, p=0.009) para os homens. Entretanto estas mesmas variáveis não apresentaram diferenças significativas nas mulheres (tempo médio: CTRL: 3,76 ×/÷ 1,4 s e PCI: 3,73 ×/÷ 1,5 s, p=0,15) e (melhor sprint: CTRL: 3,62 ×/÷ 2,1 s e PCI: 3,66 ×/÷ 2,1 s, p=0,24). Quando controlado pela PSE inicial, a PSE também demostrou diferença significativa para os homens (CTRL: 15 ± 0,7 e PCI: 13.9 ± 0,7, p=0,04) e não demostrou para as mulheres (CTRL: 14,4 ± 0,7 e PCI: 13,8 ± 0,7, p=0,25). Portanto, o PCI é uma estratégia benéfica para melhora do desempenho em teste de SR em homens, porém futuros estudos são necessários para entender melhor a relação do tratamento de PCI em homens e mulheres.
2

Využití atletického tréninku v přípravě ragbistek / Using of the Athletic Training in the Preparation of Rugby Women Player

Sikora, Ondřej January 2019 (has links)
Thesis Using of the Athletic Training in the Preparation of Women Rugby Player is the work determining the applicability of the athletic training to the training plan of women rugby players. The aim is to find out if it is possible to comprehensively increase the preparedness by using athletic conditional training.A partial goal is to create a specific six-week lasts training plan and use it in practise. The thesis theoretically explains the use of athletics in the training process, the structure of sports performance in rugby, the health aspects of rugby, the using of sports training in rugby, all conditional skills and diagnostics of sports performance. There is shown training intervention on the women's team of the selected rugby club and the results of the test battery determining the flexibility, explosive strength of the upper and lower limbs, agility and maximum aerobic capacity in the practical part. Thema works: Using of the Athletic Training in the Preparation of Women Rugby Player Student: Bc. Ondřej Sikora Supervisor: PhDr. Aleš Kaplan, Ph.D., MBA. Aims: The main aim of this work is to find out if the application of athletic conditional training can increase the preparedness of the women rugby players from the selected rugby club. Partial goal is to build and practically apply six-week...

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