1998
DOI: 10.1016/s0031-9384(97)00520-9
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The Effects of Acute and Repeated Restraint Stress on the Nociceptive Response in Rats

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Cited by 123 publications
(89 citation statements)
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“…Therefore, it is possible that a rats' body adaptation to the high intensity exercises would be more difficult in comparison to low intensity ones. According to this hypothesis, the results of other research in rats, are conclusive in the demonstration that exercises promote hypertrophy of the adrenal glands (31)(32)(33)(34)(35)(36)(37)(38)(39)(40)(41)(42)(43)(44)(45) and that the physical training intensity influences the intensity-dependent response of the hypothalamus-hypophysis-adrenal axis activation (46) . Therefore, the results obtained here suggest the participation of these hormones in the antinociceptor effects, even if the rats have been evaluated after 16 hours of the end of physical training.…”
Section: Ementioning
confidence: 75%
See 1 more Smart Citation
“…Therefore, it is possible that a rats' body adaptation to the high intensity exercises would be more difficult in comparison to low intensity ones. According to this hypothesis, the results of other research in rats, are conclusive in the demonstration that exercises promote hypertrophy of the adrenal glands (31)(32)(33)(34)(35)(36)(37)(38)(39)(40)(41)(42)(43)(44)(45) and that the physical training intensity influences the intensity-dependent response of the hypothalamus-hypophysis-adrenal axis activation (46) . Therefore, the results obtained here suggest the participation of these hormones in the antinociceptor effects, even if the rats have been evaluated after 16 hours of the end of physical training.…”
Section: Ementioning
confidence: 75%
“…Besides that, according to Terman et al (19) and Gamaro et al (43) , repeated exposition to the same aversive stimulus may lead to an adaptation process to this stimulus. In this work, the rats trained under a low intensity protocol during 12 weeks, may have developed an adaptation to the not very severe exercises and consequently, a lower activation of the neuroendocrine axis as well, what, at a certain extent, would explain the fact that an increase in the nociception threshold in this training intensity did not occur.…”
Section: Discussionmentioning
confidence: 98%
“…29 for review) or stress-induced hyperalgesia (SIH) (see ref. 30 for review), and although some evidence suggests that genetics, stress severity, context and chronicity may be relevant to the direction in which pain is modulated [31][32][33][34][35] , this topic remains greatly understudied. Also unappreciated is the fact that stress associated with pain testing can be surprisingly high (and hugely variable) in human participants as well.…”
Section: Jeffrey S Mogilmentioning
confidence: 99%
“…Conforme Southorn e Powis (30) , essas moléculas de radicais livres estão aumentadas principalmente nos exercícios de alta intensidade e foram relacionadas ao envelhecimento e a um grande número de doenças, tais como: enfisema pulmonar, doenças inflamatórias e câncer. Também, os exercícios físicos são uma conhecida forma de estresse, capaz de disparar adaptações em resposta a uma maior produção de radicais livres (31) , gerando uma série de alterações bioquímicas, psicológicas e comportamentais (32) . Sobre este aspecto, vários estudos realizados em seres humanos e ratos, reforçam o conceito de que os exercícios físicos, em suas diversas modalidades, são capazes de alterar várias funções do organismo, como aquelas relacionadas ao sistema neuroendócrino.…”
Section: Grupos De Animais (N=12)unclassified
“…De acordo com Terman et al (52) e Gamaro et al (32) , exposições repetidas ao mesmo estímulo aversivo podem levar a um processo de adaptação a este estímulo. Neste trabalho, os ratos treinados com exercícios de baixa intensidade podem ter desenvolvido uma adaptação a tais exercícios e, conseqüentemente, uma menor ativação do eixo neuroendócrino.…”
Section: Grupos De Animais (N=12)unclassified