2010
DOI: 10.1590/s1517-86922010000400010
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A Variação do método de incremento de cargas não altera a determinação do limiar de lactato em exercício resistido

Abstract: Com o objetivo de analisar e comparar diferentes protocolos incrementais (PI) em exercício resistido para a identificação do limiar de lactato (LL), 12 voluntários homens (23,3 ± 1,6 anos) adaptados ao exercício resistido foram submetidos a dois testes incrementais realizados em leg press 45º (LP). Os PI's foram: 1) relativo ao teste da carga máxima (PI%1RM), com incrementos de 19, 28, 32, 37, 41, 45, 55 e 60% de 1RM; 2) relativo ao peso corporal (PI%PC), com incrementos de 17, 33, 50, 67, 83, 100, 117 e 133% … Show more

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Cited by 9 publications
(9 citation statements)
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References 13 publications
(24 reference statements)
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“…Lactate is the final product of glycolysis in hypoxic conditions, the cause of muscle fatigue, and a key factor in tissue injury induced by acidosis. Currently, it is known that lactate plays a key role in metabolism, where the physiological responses to exercise signal, reliably, the predominant feature of metabolism of the energy supply for a given activity 4 . Based on our investigation, we suggest that video game boxing performance induces cardiac demand in healthy women, suggesting high-energy expenditure.…”
Section: B Discussionmentioning
confidence: 99%
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“…Lactate is the final product of glycolysis in hypoxic conditions, the cause of muscle fatigue, and a key factor in tissue injury induced by acidosis. Currently, it is known that lactate plays a key role in metabolism, where the physiological responses to exercise signal, reliably, the predominant feature of metabolism of the energy supply for a given activity 4 . Based on our investigation, we suggest that video game boxing performance induces cardiac demand in healthy women, suggesting high-energy expenditure.…”
Section: B Discussionmentioning
confidence: 99%
“…The American College of Sports Medicine recommends aerobic activity (walking, jogging, cycling) for healthy adults 4 . Muscle fatigue is a common phenomenon in endurance sports and may be experienced in usual daily activities.…”
Section: B Introductionmentioning
confidence: 99%
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“…Neste sentido, alguns trabalhos adaptaram protocolos de cargas incrementais para a determinação do fenômeno do limiar anaeróbio (LAn) em exercícios resistidos 3,[7][8][9][10][11][12][13][14] , a fim de estimar a intensidade limítrofe entre a predominância metabólica aeróbia e anaeróbia, a qual é diretamente dependente da capacidade aeróbia do indivíduo em exercício específico 15,16 . Apesar do LAn em exercícios resistidos representar uma importante abordagem para a avaliação e prescrição de treinamento 17,18 , pouco se sabe a respeito da influência dos aspectos metodológicos sobre a determinação da intensidade do LAn 9 e principalmente, sobre importantes variáveis hemodinâmicas -como a frequência cardíaca (FC), pressão arterial sistólica (PAS) e diastólica (PAD), no decorrer do teste.…”
Section: Introductionunclassified
“…Lactate, for example, which is a metabolite of anaerobic glucose, alters its concentration level due to exercise intensity. Studies indicate that the lactate threshold (LT) is an invasive gold-standard in determining the anaerobic threshold [9]. This threshold has been widely recommended in the assessment, prescription, and monitoring of exercise programs, especially in cyclical activities like swimming, running, and cycling [10].…”
Section: Introductionmentioning
confidence: 99%