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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

The effects of a six-week land-based and aquatic-based plyometric training program on power, peak torque, agility, and muscle soreness

Shaffer, Joseph D. January 2007 (has links)
Thesis (M.S.)--West Virginia University, 2007. / Title from document title page. Document formatted into pages; contains xi, 137 p. : ill. (some col.). Includes abstract. Includes bibliographical references.
2

The effects of plyometric training, with a weight vest, on lower extremity power in volleyball players

Larson, Garrett S. January 2003 (has links)
Thesis (M.A.)--University of North Carolina, Chapel Hill, 2003. / Includes bibliographical references (leaves 41-43). Also available online (PDF file) by a subscription to the set or by purchasing the individual file.
3

The effects of plyometric training, with a weight vest, on lower extremity power in volleyball players

Larson, Garrett S. January 2003 (has links)
Thesis (M.A.)--University of North Carolina, Chapel Hill, 2003. / Includes bibliographical references (leaves 41-43).
4

Effect of explosive upper body exercises on biomechanical parameters in males 18-30 years of age

Kotrla, Kris William. January 2005 (has links)
Thesis (M.S.)--Michigan State University, 2005. / Includes bibliographical references (leaves 143-147). Also available online (PDF file) by a subscription to the set or by purchasing the individual file.
5

Effect of explosive upper body exercises on biomechanical parameters in males 18-30 years of age

Kotrla, Kris William. January 2005 (has links)
Thesis (M.S.) Michigan State University, 2005. / Includes bibliographical references. Also available online (PDF file) by a subscription to the set or by purchasing the individual file.
6

Effect of explosive upper body exercises on biomechanical parameters in males 18-30 years of age

Kotrla, Kris William. January 2005 (has links)
Thesis (M.S.)--Michigan State University, 2005. / Includes bibliographical references (leaves 143-147)
7

The effect of plyometric training on the performance of cyclists

Gerstner, Ludwig 12 1900 (has links)
Thesis (MSpor)--University of Stellenbosch, 2007. / ENGLISH ABSTRACT: The purpose of this study was to determine the effect of plyometric exercise training on the aerobic and anaerobic capacities of well-trained cyclists. Twenty male competitive cyclists (age: 24 ± SD 5 years, height: 180 ± SD 6 cm and body mass: 77 ± SD 6 kg), including 12 mountain bikers and eight road cyclists were randomly divided into an experimental (n = 13) and a control group (n = 7). Testing included kinanthropometric measurements, vertical jump test, bench pull test, maximal aerobic capacity test, indoor 5-kilometer time trial (TT), anaerobic capacity test (30-second Wingate test) and an outdoor 4.4-kilometer time trial (field test). The plyometric training program had no statistically significant effect on the maximal aerobic capacity, anaerobic capacity, time trial performance (laboratory and field) and vertical jump performance of the experimental group. Selected outcome variables, i.e. VO2max, PPO and MP during the Wingate test and time to complete the laboratory TT, bordered on statistical significance. The experimental group significantly improved their upper body strength. There was also a strong correlation between the outdoor TT and upper body strength (r = 0.72). Although the plyometric training program did not significantly improve the performance of the cyclists, indications were that the experimental group improved their anaerobic power and upper body strength. One previous study in the literature suggested that the effects of a plyometric training program may only become evident a few weeks after completion of the program. It is therefore possible that the cyclists in this study would have experienced the benefits of plyometric training only later, i.e. closer to the competition season when the aim of their training program is to improve power and speed. / AFRIKAANSE OPSOMMING: Die doel van die studie was om te bepaal wat die effek van pliometriese oefeninge is op die aërobiese en anaërobiese vermoëns van goed ingeoefende fietsryers. Twintig kompeterende mans fietsryers, (ouderdom: 24 ± SD 5 jaar, lengte: 180 ± SD 6 cm en gewig: 77 ± SD 6 kg), was ewekansig ingedeel in of ‘n eksperimentele (n = 13) of ‘n kontrole groep (n = 7). Die groep sluit twaalf bergfietsryers en agt padfietsryers in. Kinantropometriese metings, vertikale spronghoogte, ‘n bolyf kragtoets (“bench pull test”), ‘n maksimale aërobiese uithouvermoë toets, ‘n binneshuise 5-kilometer tydtoets (TT), ‘n anaërobiese kapasiteit toets (30-sekonde Wingate toets) en ‘n buitemuurse 4.4-kilometer tydtoets (veldtoets) was voltooi gedurende die toetsperiode. Die pliometriese oefenprogram het geen statisties betenisvolle effek op maksimale aërobiese kapasiteit, anaërobiese kapasiteit, tydtoets prestasie (laboratorium en veld) of op vertikale spronghoogte van die eksperimentele groep gehad nie. Spesifieke uitkomsveranderlikes, soos VO2maks, piek en gemiddelde kraguitset gedurende die Wingate toets, en die tyd wat dit geneem het om die laboratorium tydtoets te voltooi, het gegrens aan ‘n statistiese betekenisvolle verbetering in die eksperimentele groep. Die eksperimentele groep het ‘n betekenisvolle verbetering getoon in hul bolyfkrag na die intervensie. Daar was ook ‘n sterk verband tussen die veld tydtoets en die bolyfkrag in die eksperimentele groep (r = 0.72). Hoewel die pliometriese oefenprogram nie die prestasie van die fietsryers betekenisvol verbeter het nie, het dit tekens van verbetering in die eksperimentele groep se anaërobiese en bolyfkrag getoon. ‘n Vorige studie het voorgestel dat ‘n pliometriese inoefeningsprogram slegs na ‘n paar weke na die intervensie ‘n effek sal toon in prestasie. Daarom is dit moontlik dat die fietsryers in die studie die voordele van pliometriese oefeninge eers later ervaar het, nader aan die kompetisiefase wanneer die doel van die oefenprogram is om spoed en krag te verbeter.
8

Efeitos do treinamento pliométrico com e sem indução de potencialização pós-ativação no desempenho de saltos de atletas em atleta de voleibol

Berriel, Guilherme Pereira January 2016 (has links)
O efeito da potencialização pós-ativação (PPA) tem sido estudado, mas a sua aplicação no desempenho de atletas é muito controversa. Estudos descrevem a possibilidade de que a PPA possa compensar o mecanismo de fadiga, aumentando a taxa de desenvolvimento de força e melhorando a potência muscular. O objetivo deste estudo foi avaliar os efeitos agudos e crônicos de um treinamento pliométrico com e sem indução da PPA na potência muscular de membros inferiores em atletas de voleibol. A amostra foi composta por 16 atletas de voleibol masculino participantes da Superliga Nacional, divididos em grupo pliométrico (GPLIO) e grupo PPA (GPPA). O grupo pliométrico foi submetido a um treinamento de pliometria e o grupo PPA acrescentou ao treinamento pliométrico uma rotina de treinos que estimularam o mecanismo de PPA. O período de treinamento foi de 4 semanas com 2 sessões semanais. Durante a avaliação do pré e pós-treinamento para a determinação dos efeitos crônicos, foi mensurada a potência muscular dos membros inferiores através do salto vertical counter movement jump (CMJ), conforme protocolo sugerido por Bosco (1994), em uma plataforma de força, e contração voluntária máxima para a musculatura da articulação do joelho em um equipamento isocinético. Na avaliação pré e pós-teste para a determinação do efeito agudo, foi utilizado um tapete de contato para obtenção da altura de salto vertical CMJ. Para análise estatística foi utilizado o teste de equações de estimação generalizadas (GEE) no fator tempo e no fator grupo para determinar os efeitos do treinamento em cada grupo (GPLIO e GPPA). Os resultados referente aos efeitos agudos indicam a interação grupo*tempo para o grupo PPA significativa de p<0,001 (38,26 cms / 44,51 cms) do período pré-treinamento para o período de treinamento e de p=0,002 (38,26 cms /44,07 cms) do período pré para o pós treinamento. Ainda observamos que o grupo PPA obteve altura de salto significativamente melhor ao grupo PLIO, tanto no período de treinamento (44,51 cms/35,38cms) como no pós-treinamento pliométrico (44,07cms / 39,32 cms). Quanto aos efeitos crônicos, os resultados demonstraram não haver diferença significativa para as variáveis de torque isocinético. No que diz respeito à altura e potência de salto após o treinamento crônico foi observada diferença significativa nos dois grupos do período pré para o pós-treinamento, não havendo diferença entre os grupos. Concluímos que o treinamento pliométrico com indução de PPA melhora os efeitos agudos do salto vertical, tanto durante o treinamento como até 80 minutos após o treinamento pliométrico. Já no que diz respeito aos efeitos crônicos da indução ou não de PPA no treinamento pliométrico, os resultados indicam não haver diferença significativa no torque isocinético dos músculos extensores do joelho, porém na altura de salto CMJ e potência os resultados indicam que os dois modelos de treinamento têm uma resposta semelhante. / The effect of post-activation potentiation (PPA) has been studied, but its application in the performance of athletes is very controversial. Studies have described the possibility that PPP can compensate for the fatigue mechanism, increasing the rate of strength development and improving muscle power. The objective of this study was to evaluate the acute and chronic effects of a plyometric training with and without PPA induction on lower limb muscle power in volleyball athletes. The sample consisted of 16 male volleyball players participating in the National Superliga, divided into plyometric group (GPLIO) and PPA group (GPPA). The plyometric group underwent a plyometrics training and the PPA group added to the plyometric training a routine of training that stimulated the PPA mechanism. The training period was 4 weeks with 2 weekly sessions. During the pre and post-training evaluation for the determination of the chronic effects, the muscular power of the lower limbs was measured through the vertical jump movement movement (CMJ), according to a protocol suggested by Bosco (1994), on a force platform, And maximal voluntary contraction for the musculature of the knee joint in an isokinetic equipment. In the pre and post-test evaluation for the determination of the acute effect, a contact mat was used to obtain the vertical jump height CMJ. For statistical analysis, the test of generalized estimation equations (GEE) in the time factor and in the group factor was used to determine the effects of the training in each group (GPLIO and GPPA). The results for the acute effects indicate the group*time interaction for the PPA group significant of p<0.001 (38.26 cms / 44.51 cms) of the pre-training period for the training period and p=0.002 (38, 26 cm / 44.07 cm) from the pre and post training period. We also observed that the PPA group had a significantly better jump height in the PLIO group, both in the training period (44.51 cm / 35.38 cm) and in the plyometric training (44.07 cm / 39.32 cm). Regarding the chronic effects, the results showed no significant difference for the isokinetic torque variables. Regarding the height and jumping power after the chronic training, a significant difference was observed in the two groups from the pre-post-training period, with no difference between the groups. We conclude that plyometric training with PPA induction improves the acute effects of vertical jump, both during training and up to 80 minutes after plyometric training. Regarding the chronic effects of PPA or non-PPA induction in plyometric training, the results indicate that there is no significant difference in the isokinetic torque of the knee extensor muscles, but at the height of the CMJ and power jump the results indicate that the two models of Have a similar response.
9

The effects of plyometrics or resistance-training on markers of bone turnover and hormones in men

Rogers, Robert S., Hinton, Pamela S. January 2009 (has links)
The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Title from PDF of title page (University of Missouri--Columbia, viewed on December 31, 2009). Thesis advisor: Dr. Pamela S. Hinton. Includes bibliographical references.
10

Efeitos do treinamento pliométrico com e sem indução de potencialização pós-ativação no desempenho de saltos de atletas em atleta de voleibol

Berriel, Guilherme Pereira January 2016 (has links)
O efeito da potencialização pós-ativação (PPA) tem sido estudado, mas a sua aplicação no desempenho de atletas é muito controversa. Estudos descrevem a possibilidade de que a PPA possa compensar o mecanismo de fadiga, aumentando a taxa de desenvolvimento de força e melhorando a potência muscular. O objetivo deste estudo foi avaliar os efeitos agudos e crônicos de um treinamento pliométrico com e sem indução da PPA na potência muscular de membros inferiores em atletas de voleibol. A amostra foi composta por 16 atletas de voleibol masculino participantes da Superliga Nacional, divididos em grupo pliométrico (GPLIO) e grupo PPA (GPPA). O grupo pliométrico foi submetido a um treinamento de pliometria e o grupo PPA acrescentou ao treinamento pliométrico uma rotina de treinos que estimularam o mecanismo de PPA. O período de treinamento foi de 4 semanas com 2 sessões semanais. Durante a avaliação do pré e pós-treinamento para a determinação dos efeitos crônicos, foi mensurada a potência muscular dos membros inferiores através do salto vertical counter movement jump (CMJ), conforme protocolo sugerido por Bosco (1994), em uma plataforma de força, e contração voluntária máxima para a musculatura da articulação do joelho em um equipamento isocinético. Na avaliação pré e pós-teste para a determinação do efeito agudo, foi utilizado um tapete de contato para obtenção da altura de salto vertical CMJ. Para análise estatística foi utilizado o teste de equações de estimação generalizadas (GEE) no fator tempo e no fator grupo para determinar os efeitos do treinamento em cada grupo (GPLIO e GPPA). Os resultados referente aos efeitos agudos indicam a interação grupo*tempo para o grupo PPA significativa de p<0,001 (38,26 cms / 44,51 cms) do período pré-treinamento para o período de treinamento e de p=0,002 (38,26 cms /44,07 cms) do período pré para o pós treinamento. Ainda observamos que o grupo PPA obteve altura de salto significativamente melhor ao grupo PLIO, tanto no período de treinamento (44,51 cms/35,38cms) como no pós-treinamento pliométrico (44,07cms / 39,32 cms). Quanto aos efeitos crônicos, os resultados demonstraram não haver diferença significativa para as variáveis de torque isocinético. No que diz respeito à altura e potência de salto após o treinamento crônico foi observada diferença significativa nos dois grupos do período pré para o pós-treinamento, não havendo diferença entre os grupos. Concluímos que o treinamento pliométrico com indução de PPA melhora os efeitos agudos do salto vertical, tanto durante o treinamento como até 80 minutos após o treinamento pliométrico. Já no que diz respeito aos efeitos crônicos da indução ou não de PPA no treinamento pliométrico, os resultados indicam não haver diferença significativa no torque isocinético dos músculos extensores do joelho, porém na altura de salto CMJ e potência os resultados indicam que os dois modelos de treinamento têm uma resposta semelhante. / The effect of post-activation potentiation (PPA) has been studied, but its application in the performance of athletes is very controversial. Studies have described the possibility that PPP can compensate for the fatigue mechanism, increasing the rate of strength development and improving muscle power. The objective of this study was to evaluate the acute and chronic effects of a plyometric training with and without PPA induction on lower limb muscle power in volleyball athletes. The sample consisted of 16 male volleyball players participating in the National Superliga, divided into plyometric group (GPLIO) and PPA group (GPPA). The plyometric group underwent a plyometrics training and the PPA group added to the plyometric training a routine of training that stimulated the PPA mechanism. The training period was 4 weeks with 2 weekly sessions. During the pre and post-training evaluation for the determination of the chronic effects, the muscular power of the lower limbs was measured through the vertical jump movement movement (CMJ), according to a protocol suggested by Bosco (1994), on a force platform, And maximal voluntary contraction for the musculature of the knee joint in an isokinetic equipment. In the pre and post-test evaluation for the determination of the acute effect, a contact mat was used to obtain the vertical jump height CMJ. For statistical analysis, the test of generalized estimation equations (GEE) in the time factor and in the group factor was used to determine the effects of the training in each group (GPLIO and GPPA). The results for the acute effects indicate the group*time interaction for the PPA group significant of p<0.001 (38.26 cms / 44.51 cms) of the pre-training period for the training period and p=0.002 (38, 26 cm / 44.07 cm) from the pre and post training period. We also observed that the PPA group had a significantly better jump height in the PLIO group, both in the training period (44.51 cm / 35.38 cm) and in the plyometric training (44.07 cm / 39.32 cm). Regarding the chronic effects, the results showed no significant difference for the isokinetic torque variables. Regarding the height and jumping power after the chronic training, a significant difference was observed in the two groups from the pre-post-training period, with no difference between the groups. We conclude that plyometric training with PPA induction improves the acute effects of vertical jump, both during training and up to 80 minutes after plyometric training. Regarding the chronic effects of PPA or non-PPA induction in plyometric training, the results indicate that there is no significant difference in the isokinetic torque of the knee extensor muscles, but at the height of the CMJ and power jump the results indicate that the two models of Have a similar response.

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