Equal Volumes of High and Low Intensity of Eccentric Exercise in Relation to Muscle Damage and Performance

Paschalis, Vassilis; Koutedakis, Yiannis; Jamurtas, Athanasios Z.; MOUGIOS, VASSILIS; Baltzopoulos, V.

doi:10.1519/00124278-200502000-00031

Cited by 41 publications

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“…120 at maximal condition, and mean of 202 at submaximal condition). Thus, although the present study lacks the control of the work performed, the study desing is actually very similar to the one by Pachalis et al (16) , as we compared different numbers of contractions (30 x 60) at different intensities (70% x 110% of 1RM). Nevertheless, the results of the present study slightly differ from the ones found by Paschalis et al (16) .…”

Section: Discussionmentioning

confidence: 73%

“…Thus, although the present study lacks the control of the work performed, the study desing is actually very similar to the one by Pachalis et al (16) , as we compared different numbers of contractions (30 x 60) at different intensities (70% x 110% of 1RM). Nevertheless, the results of the present study slightly differ from the ones found by Paschalis et al (16) . These authors reported faster strength recovery after submaximal condition, while we did not observe any difference in the decrease of muscular strength between ECC60-70 and ECC30-110 groups.…”

Section: Discussionmentioning

confidence: 73%

“…In a very interesting study, Paschalis et al (16) compared the effects of different intensities (100% and 50% of 1RM) of eccentric actions on muscle damage. However, the authors equated the work performed between the two intensities, which resulted in a higher number of contractions for the submaximal condition (i.e.…”

Section: Discussionmentioning

confidence: 99%

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Efeito do número e intensidade das ações excêntricas nos indicadores de dano muscular

Barroso

Roschel

Gil

et al. 2011

Rev Bras Med Esporte

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A single bout of resistance training, especially those comprising the performance of eccentric actions, induces damage to the muscle structure. Some characteristics of the eccentric exercise bout (i.e. the number and the intensity of contractions) may increase muscle damage. Thus, the aim of this study was to investigate if the number and the intensity of the eccentric muscle actions significantly increase muscle damage (as evaluated through alterations in indirect markers of muscle damage). Twenty-four young male adults were randomly placed into three groups. One of the groups performed 30 eccentric actions of the elbow flexors at 70% of 1RM (ECC30-70, n = 8). Another group performed the same number of repetitions, but at 110% of 1RM (ECC30-110, n = 8). A third group performed a higher number of repetitions (60) at 70% of 1RM (ECC60-70, n = 8). Range of motion, limb girth, maximal dynamic strength (1RM) and muscle soreness were assessed before, immediately after, 48h and 96h post exercise. Results were analyzed by a 2-way ANOVA and showed that alterations were significantly greater in ECC30-110 when compared with ECC30-70 and ECC60-70. These data suggest that the intensity of the eccentric actions significantly affects the magnitude of muscle damage in a more pronounced way than the number of contractions.

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Section: Discussionmentioning

confidence: 73%

Section: Discussionmentioning

confidence: 73%

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Efeito do número e intensidade das ações excêntricas nos indicadores de dano muscular

Barroso

Roschel

Gil

et al. 2011

Rev Bras Med Esporte

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“…Therefore, the running intensity may not have been high enough to evoke distinguishable ventilatory responses between NORM and RED conditions. An eccentric protocol using higher intensities is likely to lead to greater muscle damage and delayed onset of muscle soreness (DOMS) (Paschalis et al 2005 ). In this study we intended to investigate a whole body eccentric biased exercise common to both: day to day occupational activities, such as walking and stair descent, and endurance activities, such as marathon and cross country running.…”

Section: Discussionmentioning

confidence: 99%

The effect of glycogen reduction on cardiorespiratory and metabolic responses during downhill running

2015

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PurposeExercise induced muscle damage and lowered glycogen are common during heavy training periods, and may prolong recovery. We examined the effects of lowered glycogen on cardiorespiratory, metabolic and perceptual responses to downhill running. AQ1 MethodsTwelve men performed two downhill runs (−12 % gradient, 12.1 ± 1.1 km h ) separated by 6 weeks, under normal (NORM) and reduced glycogen (RED) conditions in a crossover design. For RED, participants performed exhaustive cycling at 60 % O power (95 ± 13 min) in the evening, and the next morning completed a downhill run comprising of five stages of 8 min running, with 2 min recovery (1 % gradient, 8 km h ) between each stage. Expired gas, heart rate, rating of perceived exertion (RPE) and blood lactate (bLa) and glucose were measured for each stage.

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“…No estudo conduzido por Paschalis et al (2005), em concordância com os resultados do presente estudo, foi sugerido que a intensidade não determina o nível de DMIT, se o trabalho total for equalizado. Neste estudo, 12 homens destreinados foram submetidos a duas sessões de exercícios excêntricos no dinamômetro isocinético, utilizando o músculo quadríceps.…”

Section: Discussionunclassified

<b>Efeito da intensidade do exercício de força sobre a ocorrência da dor muscular de início tardio</b> doi: 10.4025/reveducfis.v24i2.15137

Lodo

Moreira²,

Uchida

et al. 2013

R. Educ. Fís. UEM

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RESUMOO objetivo do presente estudo foi verificar o efeito da intensidade do exercício de força sobre a percepção de dor muscular de início tardio (DMIT). A fim de investigar a hipótese que a intensidade determina o nível de DMIT, foram selecionados 40 homens saudáveis, iniciantes no treinamento de força, que, posteriormente, foram submetidos a duas sessões de treinamento realizadas com intensidades distintas (50%-1RM (n=20) e 75%-1RM (n=20)). A DMIT foi analisada por meio da escala analógica visual, 24, 48 e 72h após cada sessão de treinamento. A DMIT apresentou aumento significante em ambas as sessões (50%-1RM e 75%-1RM) (p<0,05), atingindo o pico em 48h (p<0,05). Entretanto, a DMIT não apresentou diferença entre as sessões (50%-1RM vs. 75%-1RM) (p>0,05). Os resultados desse estudo sugerem que a intensidade não parece ser um fator determinante para a magnitude da DMIT, quando o volume total de carga levantada na sessão de treinamento é equalizado.Palavras-chave: Dor muscular. Intensidade. Volume total de carga levantada. Supino.

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Equal Volumes of High and Low Intensity of Eccentric Exercise in Relation to Muscle Damage and Performance

Cited by 41 publications

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Efeito do número e intensidade das ações excêntricas nos indicadores de dano muscular

Efeito do número e intensidade das ações excêntricas nos indicadores de dano muscular

The effect of glycogen reduction on cardiorespiratory and metabolic responses during downhill running

<b>Efeito da intensidade do exercício de força sobre a ocorrência da dor muscular de início tardio</b> doi: 10.4025/reveducfis.v24i2.15137

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