2011
DOI: 10.1590/s1980-65742011000400019
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Efeito protetor após sessões de exercício excêntrico: comparação entre membros superiores e inferiores

Abstract: O objetivo foi comparar a magnitude do efeito protetor (EP) contra o dano muscular (DM) induzido por uma sessão de exercícios excêntricos (EEM) entre os extensores do joelho e os flexores do cotovelo. Doze sujeitos do gênero masculino foram divididos em 2 grupos, braços (GB) e pernas (GP), e realizaram 2 sessões de EEM. Foram coletados 3 marcadores de DM, sendo eles, pico de torque isométrico (PTI), creatina quinase (CK) e percepção subjetiva de dor (PSD), antes, imediatamente após (com exceção da CK) e 48 hor… Show more

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Cited by 5 publications
(5 citation statements)
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“…Our main finding was that the four-week DW training program with progressively increasing load produced moderate increase in indirect muscle damage markers in healthy young adults. However, consistent with previous research (Chen, Lin, Chen, Lin, & Nosaka, 2011;Lima & Denadai, 2011;Nosaka, Newton, Sacco, Chapman, & Lavender, 2005), a repeated bout effect (i.e., reduced muscle damage) was found during the fourth training week.…”
Section: Discussionsupporting
confidence: 91%
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“…Our main finding was that the four-week DW training program with progressively increasing load produced moderate increase in indirect muscle damage markers in healthy young adults. However, consistent with previous research (Chen, Lin, Chen, Lin, & Nosaka, 2011;Lima & Denadai, 2011;Nosaka, Newton, Sacco, Chapman, & Lavender, 2005), a repeated bout effect (i.e., reduced muscle damage) was found during the fourth training week.…”
Section: Discussionsupporting
confidence: 91%
“…However, similar to CK, the increase in SOR was attenuated during the fourth week, suggesting the existence of the repeated bout effect. It is important to note that the increase in SOR found during the DW training period is minimal when compared with those caused by severe EIMD (Jamurtas et al, 2005;Saka et al, 2009;Lima & Denadai, 2011). Finally, SOR and CK responses were similar to those found by Kamandulis et al (2011), using a three-week periodized drop-jump exercise program, which confirms that the DW protocol adopted in our study can be used as training stimulus without impairing the results in further sessions.…”
Section: Discussionsupporting
confidence: 83%
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“…Resultado inesperado, visto que alguns estudos têm relatado o efeito protetor -atenuação nos sintomas e ocorrência dos danos musculares quando realizada uma segunda sessão de mesmo volume e intensidade (Lima & Denadai, 2011); de um treinamento prévio (Clarkson & Tremblay, 1988;Nosaka & Clarkson, 1995;Nosaka & Newton, 2002;Newton et al, 2008).…”
Section: Discussionunclassified
“…TH not only involves high-intensity efforts, known to induce EIMD, but it also requires players to perform considerable numbers of eccentric contraction, mostly with knee extensors, in actions such as sprints, landings (after jumps) and changing direction. The main symptoms assessed in order to identify and quantify EIMD are strength loss, compromised range of motion (ROM) and efficiency, leakage of intracellular proteins such as creatine kinase (CK) and myoglobin (Mb) to the blood stream, muscle swelling, and manifestation of delayed onset muscle soreness (DOMS) [5][6][7][8][9] . There is a gap of knowledge in literature about EIMD induced by TH matches.…”
Section: Introductionmentioning
confidence: 99%